Current Events:



  • N. Gasparini, X. Jiao, T. Heumueller, D. Baran, G. J. Matt, S. Fladischer, E. Spiecker, H. Ade, C. J. Brabec & T. Ameri:
    "Designing ternary blend bulk heterojunction solar cells with reduced carrier recombination and a fill factor of 77%"
    Nature Energy, (2016)
    DOI: 10.1038/nenergy.2016.118
  • I. Levchuk, P. Herre, M. Brandl, A. Osvet, R. Hock, Wolfgang Peukert, P. Schweizer, E. Spiecker, M. Batentschuk,C. J. Brabec:
    "Ligand‐assisted thickness tailoring of highly luminescent colloidal CH3NH3PbX3 (X=Br, I) perovskite nanoplatelets"
    Chemical Communications, (2016)
    DOI: 10.1039/C6CC09266G
  • B. Butz, C. Dolle, C. E. Halbig, E. Spiecker, S. Eigler:
    "Highly Intact and Pure Oxo-Functionalized Graphene: Synthesis and Electron-Beam-Induced Reduction"
    Angewandte Chemie International Edition, (2016)
    DOI: 10.1002/anie.201608377
  • K. Ran, B. Rösner, B. Butz, R. H. Fink, E. Spiecker:
    "Switching behaviour of individual Ag-TCNQ nanowires: an in situ transmission electron microscopy study"
    Nanotechnology, (2016)
    DOI: 10.1088/0957-4484/27/42/425703
  • M. Marcia, C. Vinh, C. Dolle, G. Abellán, J. Schönamsgruber, T. Schunk, B. Butz, E. Spiecker, F. Hauke, A. Hirsch:
    "Highly Integrated Organic–Inorganic Hybrid Architectures by Noncovalent Exfoliation of Graphite and Assembly with Zinc Oxide Nanoparticles"
    Advanced Materials Interfaces, (2016)
    DOI: 10.1002/admi.201600365
  • J.P. Liebig, M. Göken, G. Richter, M. Mačković, T. Przybilla, E. Spiecker, O.N. Pierron, B. Merle:
    "A flexible method for the preparation of thin film samples for in situ TEM characterization combining shadow-FIB milling and electron-beam-assisted etching"
    Ultramicroscopy, (2016)
    DOI: 10.1016/j.ultramic.2016.09.004
  • G. D. Spyropoulos, C. O. R. Quiroz, M. Salvador, Y. Hou, N. Gasparini, P. Schweizer, J. Adams, P. Kubis, N. Li, E. Spiecker, T. Ameri, H.-J. Egelhaaf, C. J. Brabec:
    "Organic and perovskite solar modules innovated by adhesive top electrode and depth-resolved laser patterning"
    Energy & Environmental Science, (2016)
    DOI: 10.1039/C6EE01555G
  • M. Mačković, F. Niekiel, L. Wondraczek, E. Bitzek, and E. Spiecker:
    "In situ mechanical quenching of nanoscale silica spheres in the transmission electron microscope"
    Scripta Materialia, 121, pp. 70-74, (2016)
    DOI: 10.1016/j.scriptamat.2016.04.019
  • F. Niekiel, S. M. Kraschewski, P. Schweizer, B. Butz, and E. Spiecker:
    "Texture evolution and microstructural changes during solid-state dewetting: a correlative study by complementary in situ TEM techniques"
    Acta Materialia, 115, pp. 230-241, (2016)
    DOI: 10.1016/j.actamat.2016.05.026
  • Y.M. Eggeler, J. Müller, M.S. Titus, A. Suzuki, T.M. Pollock, and E. Spiecker:
    "Planar defect formation in the γ’ phase during high temperature creep in single crystal CoNi-base superalloys"
    Acta Materialia, (2016)
    DOI: 10.1016/j.actamat.2016.03.077
  • C. Tessarek, S. Fladischer, C. Dieker, G. Sarau, B. Hoffmann, M. Bashouti, M. Göbelt, M. Heilmann, M. Latzel, E. Butzen, S. Figge, A. Gust, K. Höflich, T. Feichtner, M. Büchele, K. Schwarzburg, E. Spiecker, and S. Christiansen:
    "Self-catalyzed growth of vertically aligned InN nanorods by metal−organic vapor phase epitaxy"
    Nano Letters, (2016)
    DOI: 10.1021/acs.nanolett.5b03889
  • H. Zhang, W. Y. Tan, S. Fladischer, L. Ke, T. Ameri, N. Li, M. Turbiez, E. Spiecker, X. H. Zhu, Y. Cao, and C. J. Brabec:
    "Roll to roll compatible fabrication of inverted organic solar cells with a self-organized charge selective cathode interfacial layer"
    J. Mater. Chem. A, 4, pp. 5032-5038, (2016)
    DOI: 10.1039/c6ta00391e
  • L. Ke, J. Min, M. Adam, N. Gasparini, Y. Hou, J. D. Perea, W. Chen, H. Zhang, S. Fladischer, A. C. Sale, E. Spiecker, R. R. Tykwinski, C. J. Brabec, and T. Ameri:
    "A series of pyrene-substituted silicon phthalocyanines as Near-IR sensitizers in organic ternary solar cells"
    Advanced Energy Materials, (2016)
    DOI: 10.1002/aenm.201502355
  • Y. Hou, W. Chen, D. Baran, T. Stubhan, N. A. Luechinger, B. Hartmeier, M. Richter, J. Min, S. Chen, C. O. R. Quiroz, N. Li, H. Zhang, T. Heumueller, G. J. Matt, A. Osvet, K. Forberich, Z.-G. Zhang, Y. Li, B. Winter, P. Schweizer, E. Spiecker, C. J. Brabec:
    "Overcoming the Interface Losses in Planar Heterojunction Perovskite-Based Solar Cells"
    Advanced Materials, (2016)
    DOI: 10.1002/adma.201504168
  • N.S. Güldal, T. Kassar, M. Berlinghof, T. Ameri, A. Osvet, R. Pacios, G. Li Destri, T. Unruh, C.J. Brabec:
    "Real-time evaluation of thin film drying kinetics using an advanced, multi-probe optical setup"
    Journal of Materials Chemistry C, 4, (11), pp. 2179-2186, (2016)
    DOI: 10.1039/c5tc03448e
  • E. Berger, M. W. Hahn, T. Przybilla, B. Winter, E. Spiecker, A. Jentys, J. A. Lercher:
    "Impact of Solvents and Surfactants on the Self-Assembly of Nanostructured Amine Functionalized Silica Spheres for Co2 Capture"
    Journal of Energy Chemistry, (2016)
    DOI: 10.1016/j.jechem.2016.02.005
  • B. Hoffmann, M. Y. Bashouti, T. Feichtner, M. Mačković, C. Dieker, A. M. Salaheldin, P. Richter, O. Gordan, D. R.T. Zahn, E. Spiecker, S. Christiansen:
    "New insights into colloidal gold flakes: structural investigation, micro-ellipsometry and thinning procedure towards ultrathin monocrystalline layers"
    Nanoscale, 8, (8), pp. 4529-4536, (2016)
    DOI: 10.1039/c5nr04439a
  • Z. Saghi, G. Divitini, B. Winter, R. Leary, E. Spiecker, C. Ducati, P.A. Midgley:
    "Compressed Sensing Electron Tomography of Needle-Shaped Biological Specimens - Potential for Improved Reconstruction Fidelity with Reduced Dose"
    Ultramicroscopy, 160, pp. 230-238, (2016)
    DOI: 10.1016/j.ultramic.2015.10.021
  • S. Li, G. Bei, X. Chen, L. Zhang, Y. Zhou, M. Mačković, E. Spiecker, P. Greil:
    "Crack healing induced electrical and mechanical properties recovery in a Ti2SnC ceramic"
    Journal of the European Ceramic Society, 36, (1), pp. 25-32, (2016)
    DOI: 10.1016/j.jeurceramsoc.2015.09.019


  • N. Gasparini, A. Katsouras, M.I. Prodromidis, A. Avgeropoulos, D. Baran, M. Salvador, S. Fladischer, E. Spiecker, C.L. Chochos, T. Ameri, C.J. Brabec :
    "Photophysics of Molecular-Weight-Induced Losses in Indacenodithienothiophene-Based Solar Cells"
    Advanced Functional Materials, 25, (30), pp. 4898-4907, (2015)
    DOI: 10.1002/adfm.201501062
  • J. Min, Z. Zhang, Y. Hou, T. Przybilla, C. Bronnbauer, C. O. R. Quiroz, F. Guo, K. Forberich, H. Azimi, T. Ameri, E. Spiecker, Y. Li, C. J. Brabec:
    "Interface Engineering of Perovskite Hybrid Solar Cells with solution-processed Perylene-Diimide Heterojunctions toward High Performance"
    Chem. Mater. , 27, pp. 227-234, (2015)
    DOI: 10.1021/cm5037919
  • F. Guo, S. Chen, Z. Chen, H. Luo, Y. Gao , T. Przybilla, E. Spiecker, A. Osvet, K. Forberich, C. J. Brabec:
    "Printed Smart Photovoltaic Window Integrated with an Energy-Saving Thermochromic Layer"
    Advanced Optical Materials, (2015)
    DOI: 10.1002/adom.201500314
  • C. O. R. Quiroz, I. Levchuk, C. Bronnbauer, M. Salvador, K. Forberich, T. Huemueller, Y. Hou, P. Schweizer, E. Spiecker, C. J. Brabec :
    "Pushing Efficiency Limits for Semitransparent Perovskite Solar Cells"
    Journal of Materials Chemistry A, (2015)
    DOI: 10.1039/C5TA08450D
  • B. Winter, B. Butz, C. Dieker, G. E. Schröder-Turk, K. Mecke, E. Spiecker:
    "Coexistence of both gyroid chiralities in individual butterfly wing scales of Callophrys rubi"
    PNAS, 112, (42), pp. 12911-12916, (2015)
    DOI: 10.1073/pnas.1511354112
  • M. Y. Bashouti, S. Resch, J. Ristein, M. Mačković, E. Spiecker, S. R. Waldvogel, and S. Christiansen :
    "Functionalization of Silver Nanowires Surface using Ag-C Bonds in a Sequential Reductive Method "
    ACS Applied Materials & Interfaces, (2015)
    DOI: 10.1021/acsami.5b06830
  • T. Akdas, J. Walter, D. Segets, M. Distaso, B. Winter, B. Birajdar, E. Spiecker, W. Peukert :
    "Investigation of the size-property relationship in CuInS2 quantum dots "
    Nanoscale, (2015)
    DOI: 10.1039/C5NR04291G
  • N. Liu, V. Häublein, X. Zhou, U. Venkatesan, M. Hartmann, M. Mačković , T. Nakajima, E. Spiecker, A. Osvet, L. Frey, P. Schmuki:
    "‘Black’ TiO2 nanotubes formed by high energy proton implantation show noble-metal-co-catalyst free photocatalytic H2-evolution"
    Nano Letters, (2015)
    DOI: 10.1021/acs.nanolett.5b02663
  • F. Niekiel, E. Spiecker, E. Bitzek:
    "Influence of anisotropic elasticity on the mechanical properties of fivefold twinned nanowires"
    Journal of the Mechanics and Physics of Solids, 84, pp. 358-379, (2015)
    DOI: 10.1016/j.jmps.2015.08.004
  • J. Paul, S. Romeis, M. Mačković, V. R. R. Marthala, P. Herre, T. Przybilla, M. Hartmann, E. Spiecker, J. Schmidt, W. Peukert:
    "In situ cracking of silica beads in the SEM and TEM - Effect of particle size on structure-property correlations"
    Powder Technology, 270, pp. 337-347, (2015)
    DOI: 10.1016/j.powtec.2014.10.026
  • F. Guo, N. Li, F. W. Fecher, N. Gasparini, C. O. R. Quiroz, C. Bronnbauer, Y. Hou, V. V. Radmilovic, V. R. Radmilovic, E. Spiecker, K. Forberich, C. J. Brabec:
    "A generic concept to overcome bandgap limitations for designing highly efficient multi-junction photovoltaic cells"
    Nature Communications, (2015)
    DOI: 10.1038/ncomms8730
  • F. Kisslinger, C. Ott, C. Heide, E. Kampert, B. Butz, E. Spiecker, S. Shallcross and H. B.Weber:
    "Linear magnetoresistance in mosaic-like bilayer graphene"
    Nature Physics, 11, (2015)
    DOI: 10.1038/NPHYS3368
  • A. G. Machoke, A. M. Beltrán, A. Inayat, B. Winter, T. Weissenberger, N. Kruse, R. Güttel, E. Spiecker, W. Schwieger :
    "Micro/Macroporous System: MFI-type zeolite crystals with embedded macropores"
    Advanced Materials, 27, pp. 1066-1070, (2015)
    DOI: 10.1002/adma.201404493
  • T. Akdas, M. Distaso, S. Kuhri, B. Winter, B. Birajdar, E. Spiecker, D. M. Guldi, W. Peukert:
    "The Effects of Post-Processing on the Surface and the Optical Properties of Copper Indium Sulfide Quantum Dots"
    Journal of Colloid & Interface Science, 445, pp. 337-347, (2015)
    DOI: 10.1016/j.jcis.2015.01.014
  • H. Azimi, T. Ameri, H. Zhang, Y. Hou, C. O. Ramirez Quiroz, J. Min, M. Hu, Z.-G. Zhang, T. Przybilla, G. Matt, E. Spiecker, Y. Li, C. J. Brabec:
    "A Universal Interface Layer Based on an Amine-Functionalized Fullerene Derivative with Dual Functionality for Efficient Solution Processed Organic and Perovskite Solar Cells"
    Advanced Energy Materials, 5, (8), (2015)
    DOI: 10.1002/aenm.201401692
  • C. Mehringer, C. Kloner, B. Butz, B. Winter, E. Spiecker, W. Peukert:
    "Germanium-Silicon Alloy and Core-Shell Nanocrystals by Gas Phase Synthesis"
    Nanoscale, 7, pp. 5186-5196, (2015)
    DOI: 10.1039/C4NR06318J
  • W. Chen, Y. Hou, A. Osvet, F. Guo, P. Kubis, M. Batentschuk, B. Winter, E. Spiecker, K. Forberich, C. J. Brabec:
    "Sub-bandgap photon harvesting for organic solar cells via integrating up-conversion nanophosphors"
    Organic Electronics, 19, pp. 113-119, (2015)
    DOI: 10.1016/j.orgel.2015.01.036
  • F. Guo, N. Li, V. V. Radmilovic, V. R. Radmilovic, M. Turbiez, E. Spiecker, K. Forberich, C. J. Brabec:
    "Fully printed organic tandem solar cells using solution-processed silver nanowires and opaque silver as charge collecting electrodes"
    Energy & Environmental Science, (2015)
    DOI: 10.1039/C5EE00184F
  • C. Meichsner, T. Clark, P. Groeppel, B. Winter, B. Butz, E. Spiecker:
    "Protective layer of Al2O3 nanocomposites and surface composition after electrical stress"
    IEEE Transactions on Dielectrics and Electrical Insulation, 22, (5), pp. 2944-2950, (2015)
  • F. Niekiel, P. Schweizer, S.M. Kraschewski, B. Butz, E. Spiecker:
    "The process of solid-state dewetting of Au thin films studied by in situ scanning transmission electron microscopy"
    Acta Materialia, 90, pp. 118-132, (2015)
    DOI: 10.1016/j.actamat.2015.01.072
  • A. B. Parsa, P. Wollgramm, H. Buck, Ch. Somsen, A. Kostka, I. Povstugar, P. Choi, D. Raabe, A. Dlouhy, J. Müller, E. Spiecker, K. Demtröder, J. Schreuer, K. Neuking, G. Eggeler:
    "Advanced scale bridging microstructure analysis of single crystal Ni-base superalloys"
    Advanced Engineering Materials, 17, (2), pp. 216–230, (2015)
    DOI: 10.1002/adem.201400136
  • F. Guo, P. Kubis, T. Przybilla, E. Spiecker, A. Hollmann, S. Langner, K. Forberich and C. J. Brabec:
    "Nanowire Interconnects for Printed Large-Area Semitransparent Organic Photovoltaic Modules"
    Advanced Energy Materials, (2015)
    DOI: 10.1002/aenm.201401779


  • B. Butz, C. Dolle, F. Niekiel, K. Weber, D. Waldmann, H. B. Weber, B. Meyer, E. Spiecker:
    "Dislocations in Bilayer Graphene"
    Nature 505, pp. 533-537, (2014)
    DOI: 10.1038/nature12780
  • M. Klaumünzer, M. Distaso, J. Hübner, M. Mačković, E. Spiecker, C. Kryschi, W. Peukert:
    "ZnO superstructures via Oriented Aggregation initiated in a Block Copolymer Melt"
    Crystal Engineering Communications, 16, pp. 1502-1513, (2014)
    DOI: 10.1039/C3CE41868E
  • F. Niekiel, E. Bitzek, E. Spiecker:
    "Combining Atomistic Simulation and X-Ray Diffraction for the Characterization of Nanostructures: A Case Study on Five-Fold Twinned Nanowires"
    ACS Nano, (2014)
    DOI: 10.1021/nn405941m
  • S. Thiemann, S. J. Sachnov, M. Gruber, F. Gannott, S. Spallek, M. Schweiger, J. Krückel, J. Kaschta, E. Spiecker, P. Wasserscheid, J. Zaumseil:
    "Spray-Coatable Ionogels Based on Silane-Ionic Liquids for Low Voltage, Flexible, Electrolyte-gated Organic Transistors"
    J. Mater. Chem., pp. 2423-2430, (2014)
    DOI: 10.1039/C3TC32465F
  • L. Wang, C.-Y. Lee, A. Mazare, K. Lee, J. Müller, E. Spiecker, P. Schmuki:
    "Enhancing the water splitting efficiency of Sn-doped hematite nanoflakes by flame annealing"
    Chemistry - A European Journal, 20 (1), pp. 2423-2430, (2014)
    DOI: 10.1002/chem.201303427
  • V. Novák, E. Ortel, B. Winter, B. Butz, B. Paul, P. Kočí, M. Marek, E. Spiecker, R. Kraehnert:
    "Prototyping of catalyst pore-systems by a combined synthetic, analyticaland computational approach: Application to mesoporous TiO2"
    Chemical Engineering Journal, 248, pp. 49-62, (2014)
    DOI: 10.1016/j.cej.2014.02.004
  • A.G. Machoke, I.Y. Knoke, S. Lopez-Orozco, M. Schmiele, T. Selvam, V.R.R. Marthala, E. Spiecker, T. Unruh, M. Hartmann, W. Schwieger:
    "Synthesis of multilamellar MFI-type zeolites under static conditions: The role of gel composition on their properties"
    Microporous and Mesoporous Materials, (2014)
    DOI: 10.1016/j.micromeso.2014.02.026
  • M. Distaso, M. Mačković, E. Spiecker, W. Peukert:
    "Formation and Dissolution of Twinned ZnO Nanostructures Promoted by Water and Control over Their Emitting Properties"
    Chemistry - A European Journal, (2014)
    DOI: 10.1002/chem.201400100
  • J. Will, A. Gröschel, C. Bergmann, E. Spiecker, A. Magerl:
    "Diffusion-driven precipitate growth and ripening of oxygen precipitates in boron doped silicon by dynamical x-ray diffraction"
    Journal of Applied Physics , 115, (123505), (2014)
    DOI: 10.1063/1.4868586
  • M. Klaumünzer, A. Kahnt, A. Burger, M. Mačković, Corinna Muenzel, R. Srikantharajah, E. Spiecker, A. Hirsch, W. Peukert, D. M. Guldi:
    "Surface Functionalization and Electronic Interactions of ZnO Nanorods with a Porphyrin Derivative"
    ACS Applied Materials & Interfaces, (2014)
    DOI: 10.1021/am5004552
  • N. Liu, C. Schneider, D. Freitag, M. Hartmann, U. Venkatesan, J. Müller, E. Spiecker, P. Schmuki:
    "Black TiO2 nanotubes: co-catalyst free open-circuit hydrogen generation"
    Nano Letters, (2014)
    DOI: 10.1021/nl500710j
  • M. Mačković, F. Niekiel, L. Wondraczek, E. Spiecker:
    "Direct observation of electron beam induced densification and hardening of vitreous silica nanoballs by in situ transmission electron microscopy and finite element method simulations"
    Acta Materialia , 79, pp. 363-373, (2014)
    DOI: 10.1016/j.actamat.2014.05.046
  • J. Schornbaum, B. Winter, S. P. Schiessl, F. Gannott, G. Katsukis, E. Spiecker, J. Zaumseil :
    " Epitaxial Growth of PbSe Quantum Dots on MoS2 Nanosheets and their Near-Infrared Photoresponse"
    Advanced Functional Materials, (2014)
    DOI: 10.1002/adfm.201400330
  • H.-Q. Wang, M. Mačković, A. Osvet, I. Litzov, E. Epelbaum, A. Stiegelschmitt, M. Batentschuk, E. Spiecker, C. J. Brabec :
    " A new nanocrystal phase molybdate Yb2Mo4O15: the synthesis and up-conversion properties"
    Particle & Particle Systems Characterization , (2014)
    DOI: 10.1002/ppsc.201400137
  • H. Zhang, H. Azimi, Y. Hou, T. Ameri, T. Przybilla, E. Spiecker, U. Scherf, C. J. Brabec:
    "Improved High-Efficiency Perovskite Planar Heterojunction Solar Cells via Incorporation of a Polyelectrolyte Interlayer"
    Chemistry of Materials, (2014)
    DOI: 10.1021/cm502864s
  • N. Liu, C.Schneider, D. Freitag, U. Venkatesan, V. R. R. Marthala, M. Hartmann, B. Winter, E. Spiecker, A. Osvet, E. Zolnhofer, K. Meyer, T. Nakajima, X. Zhou, P. Schmuki:
    "Hydrogenated Anatase: Strong Photocatalytic H2 Evolution Without the Use of a Co-catalyst"
    Angewandte Chemie, (2014)
    DOI: 10.1002/ange.201408493
  • J. Landwehr, R. Fader, M. Rumler, M. Rommel, A. Bauer, L. Frey, B. Simon, B. Fodor, P. Petrik, A. Schiener, B. Winter, E. Spiecker:
    "Optical polymers with tunable refractive index for nanoimprint technologies"
    Nanotechnology, 25, (505301), (2014)
    DOI: 10.1088/0957-4484/25/50/505301
  • F. Guo, P. Kubis, T. Stubhan, N. Li, D. Baran, T. Przybilla, E. Spiecker, K. Forberich, C. J. Brabec:
    "Fully Solution-Processing Route toward Highly Transparent Polymer Solar Cells"
    ACS Applied Materials & Interfaces, 6, pp. 18251-18257, (2014)
    DOI: 10.1021/am505347p
  • A. Philippart, E. Boccardi, L. Pontiroli, A. M. Beltrán, A. Inayat, C. Vitale-Brovarone, W. Schwieger, E. Spiecker, A. R. Boccaccini:
    "Development of novel mesoporous silica-based bioactive glass scaffolds with drug delivery capabilities"
    Advances in Science and Technology, 96, pp. 54-60, (2014)
    DOI: 10.4028/
  • V. Strauss, J. T. Margraf, C. Dolle, B. Butz, T. J. Nacken, J. Walter, W. Bauer, W. Peukert, E.Spiecker, T. Clark, D. M. Guldi :
    "Carbon Nanodots: Toward a Comprehensive Understanding of Their Photoluminescence"
    J. Am. Chem. Soc., 136, pp. 17308-17316, (2014)
    DOI: 10.1021/ja510183c
  • A. Povolotskiy, A. Manshina, A. Povolotckaia, M. Bashouti, A. Kireev, Y. Petrov, E. Ubyivovk, M. Mačković, E. Spiecker, I. Koshevoy, S. Christiansen, S. Tunik :
    "Direct Laser Writing of µ-chips Based on Hybrid C-Au-Ag Nanoparticles for Express Analysis of Hazardous and Biological Substances"
    Lab on a Chip, (2014)
    DOI: 10.1039/c4lc01376j
  • J. Müller, G. Eggeler, E. Spiecker:
    "On the identification of superdislocations in the γ'-phase of single crystal Ni-base superalloys - an application of the LACBED method to complex microstructures"
    Acta Materialia, (2014)
  • F. Guo, P. Kubis, N. Li, T. Przybilla, G. Matt, T. Stubhan, T. Ameri, B. Butz, E. Spiecker, K. Forberich, C. J. Brabec:
    "Solution-Processed Parallel Tandem Polymer Solar Cells Using Silver Nanowires as Intermediate Electrode"
    ACS Nano, (2014)
    DOI: 10.1021/nn505559w
  • F. Guo, H. Azimi, Y. Hou, T. Przybilla, M. Hu, C. Bronnbauer, S. Langner, E. Spiecker, K. Forberich, C. J. Brabec:
    "High-performance semitransparent perovskite solar cells with solution-processed silver nanowires top electrodes"
    Nanoscale, (2014)
    DOI: 10.1039/C4NR06033D


  • C. Schmid, V. Maier, J. Schaufler, B. Butz, E. Spiecker, S. Meier, M. Göken, K. Durst:
    "Highly resolved analysis of the chemistry and mechanical properties of an a-C:H coating system by nanoindentation and auger electron spectroscopy"
    Thin Solid Films, 528, pp. 263-268, (2013)
    DOI: 10.1016/j.tsf.2012.05.092
  • M. Yang, G. Yang, E. Spiecker, K. Lee, P. Schmuki:
    "Ordered "superlattice" TiO2/Nb2O5 nanotube arrays with improved ion insertion stability"
    Chemical Communications, 49, pp. 460-462, (2013)
    DOI: 10.1039/C2CC37226F
  • D. Segets, S. Komada, B. Butz, E. Spiecker, Y. Mori, W. Peukert:
    "Quantitative Evaluation of Size Selective Precipitation of Mn-doped ZnS Quantum Dots by Size Distributions Calculated from UV/Vis Absorbance Spectra"
    Journal of Nanoparticle Research, 15, (1486), (2013)
    DOI: 10.1007/s11051-013-1486-8
  • C. Tessarek, C. Dieker, E. Spiecker and S. Christiansen:
    "Growth of GaN Nanorods and Wires and Spectral Tuning of Whispering Gallery Modes in Tapered GaN Wires"
    Japanese Journal of Applied Physics, 52, (2013)
    DOI: 10.7567/JJAP.52.08JE09
  • G. E. Vargas, L. A. Hao Durand, V. Cadena, M. Romero, R. V. Mesones, M. Mačković, S. Spallek, E. Spiecker, A. R. Boccaccini, A. A. Gorustovic :
    "Effect of nano-sized bioactive glass particles on the angiogenic properties of collagen based composites"
    Journal of Materials Science - Materials in Medicine, 24, pp. 1261-1269, (2013)
    DOI: 10.1007/s10856-013-4892-7
  • F. Guo, X. Zhu, K. Forberich, J. Krantz, T. Stubhan, M. Salinas, M. Halik, S. Spallek, B. Butz, E. Spiecker, T. Ameri, N. Li, P. Kubis, D. M. Guldi, G. J. Matt, C. J. Brabec:
    "ITO-Free and Fully Solution-Processed Semitransparent Organic Solar Cells with High Fill Factors"
    Advanced Energy Materials, (2013)
    DOI: 10.1002/aenm.201300100
  • D. Waldmann, B. Butz, S. Bauer, J. M. Englert, J. Jobst, K. Ullmann, F. Fromm, M. Ammon, M. Enzelberger, A. Hirsch, S. Maier, P. Schmuki, T. Seyller, E. Spiecker, H. B. Weber:
    "Robust Graphene Membranes in a Silicon Carbide Frame "
    ACS Nano, 7, pp. 4441–444., (2013)
    DOI: 10.1021/nn401037c
  • J. Schornbaum, B. Winter, S. Schiessl, B. Butz, E. Spiecker, J. Zaumseil:
    "Controlled In-Situ PbSe Quantum Dot Growth around Single-Walled Carbon Nanotubes - a Non-Covalent PbSe-SWNT Hybrid Structure"
    Chemistry of Materials, 25, pp. 2663-2669, (2013)
    DOI: 10.1021/cm401202t
  • M. Klaumünzer, U. Weichsel, M. Mačković, E. Spiecker, W. Peukert, C. Kryschi:
    "Transmission Electron Microscopy and Time Resolved Optical Spectroscopy Study of the Electronic and Structural Interactions of ZnO Nanorods with Bovine Serum Albumin"
    Journal of Physical Chemistry B, 117, pp. 9683-9689, (2013)
    DOI: 10.1021/jp405181u
  • A. Grigore, S. Spallek, A. Petschelt, B. Butz, E. Spiecker, U. Lohbauer:
    "Microstructure of veneered zirconia after surface treatments: A TEM study"
    Dental Materials, 29, pp. 1098-1107, (2013)
    DOI: 10.1016/
  • C. Tessarek, M. Bashouti, M. Heilmann, C. Dieker, I. Knoke, E. Spiecker, S. Christiansen:
    "Controlling morphology and optical properties of self-catalyzed, mask-free GaN rods and nanorods by metal-organic vapor phase epitaxy"
    Journal of Applied Physics, 114, (144304), (2013)
    DOI: 10.1063/1.4824290
  • J. Schöne, E. Spiecker, F. Dimroth, A. W. Bett, W. Jäger:
    "Defect formation and strain relaxation in graded GaPAs/GaAs, GaNAs/GaAs and GaInNAs/Ge buffer systems for high-efficiency solar cells"
    Journal of Physics: Conference Series, 471 (1), (12008), (2013)
    DOI: 10.1088/1742-6596/471/1/012008


  • A. Inayat, I. Knoke, E. Spiecker, W. Schwieger:
    "Assemblies of mesoporous FAU-type zeolite nanosheets"
    Angewandte Chemie, 51, pp. 1962-1965, (2012)
    DOI: 10.1002/anie.201105738
  • G. Gao, S. Reibstein, E. Spiecker, M. Peng, L.Wondraczek:
    "Broadband NIR photoluminescence from Ni2+-doped nanocrystalline Ba-Al titanate glass ceramics"
    J. Mat. Chem., 22, pp. 2582-2588, (2012)
    DOI: 10.1039/C1JM14292E
  • B. F. Vieweg, B. Butz, W. Peukert, R.N. Klupp Taylor, E. Spiecker:
    "TEM preparation method for site- and orientation-specific sectioning of individual anisotropic nanoparticles based on Shadow-FIB Geometry"
    Ultramicroscopy, 113, pp. 165-170, (2012)
    DOI: 10.1016/j.ultramic.2011.11.015
  • R. Körmer, B. Butz, E. Spiecker, W. Peukert:
    "Crystal shape engineering of silicon nanoparticles in a thermal aerosol reactor"
    Crystal Growth & Design, 12, pp. 1330-1336, (2012)
    DOI: 10.1021/cg201394y
  • B.I. Birajdar, T. Antesberger, B. Butz, M. Stutzmann, E. Spiecker:
    "Direct in situ transmission electron microscopy observation of Al push-up during early stages of the Al-induced layer exchange"
    Scripta Materialia , 66, pp. 550-553, (2012)
    DOI: 10.1016/j.scriptamat.2011.12.045
  • C. Meichsner, T. Clark, P. Groeppel, B. Winter, B. Butz, E. Spiecker:
    "Formation of a protective layer during IEC(b) test of epoxy resin loaded with silica nanoparticles"
    IEEE Transactions on Dielectrics and Electrical Insulation, 19, pp. 786-792, (2012)
    DOI: 10.1109/TDEI.2012.6215081
  • Y. Yang, K. Lee, M. Zobel, M. Mačković, T. Unruh, E. Spiecker, P. Schmuki:
    "Formation of Highly Ordered VO2 Nanotubular/Nanoporous Layers and Their Supercooling Effect in Phase Transitions"
    Advanced Materials, 24, pp. 1571-1575, (2012)
    DOI: 10.1002/adma.201200073
  • H. Bao, B. Butz, Z. Zhou, E. Spiecker, M. Hartmann, R. N. Klupp Taylor:
    "Silver-assisted colloidal synthesis of gold patchy particles with tunable patchiness"
    Langmuir, 28, pp. 8971-8978, (2012)
    DOI: 10.1021/la204762z
  • M. Hanisch, M. Mačković, N. Taccardi , E. Spiecker, R. N. Klupp Taylor:
    "Synthesis of silver nanoparticle necklaces without explicit addition of reducing or templating agents"
    Chem. Commun., 48, pp. 4287-4289, (2012)
    DOI: 10.1039/C2CC30671A
  • J. Englert, K. Knirsch, C. Dotzer, B. Butz, F. Hauke, E. Spiecker, A. Hirsch:
    "Functionalization of Graphene by Electrophilic Alkylation of Reduced Graphite"
    Chem. Commun., 48, pp. 5025-5027, (2012)
    DOI: 10.1039/C2CC31181J
  • A. Troeger, M. Ledendecker, J. T. Margraf, V. Sgobba, D. M. Guldi, B. F. Vieweg, E. Spiecker, S.-L. Suraru, F. Würthner :
    "p-Doped Multiwall Carbon Nanotube/Perylene Diimide Derivative Photoelectrochemical Cells for Photocurrent Generation"
    Advanced Energy Materials, 2, pp. 536-540, (2012)
    DOI: 10.1002/aenm.201100710
  • S. Reibstein, N. Da, J.-P. Simon, E. Spiecker, L. Wondraczek:
    "Phase separation and crystal precipitation in supercooled sulphophosphate ionic melts"
    Phys. Chem. Glasses: Eur. J. Glass Sci. Technol. B, 53, pp. 61-67, (2012)
  • M. Mačković, A. Hoppe, R. Detsch, D. Mohn, W. J. Stark, E. Spiecker, A. R. Boccaccini:
    "Bioactive glass (type 45S5) nanoparticles: in vitro reactivity on nanoscale and biocompatibility"
    Journal of Nanoparticle Research, 14, pp. 966-987, (2012)
    DOI: 10.1007/s11051-012-0966-6
  • B. I. Birajdar, E. Spiecker:
    "In Situ and Analytical TEM - Mechanism of Layer Exchange in a-Si/Al Thin Film Structures"
    Imaging & Microscopy, 3, pp. 25-27, (2012)
  • J. Krantz, T. Stubhan, M. Richter, S. Spallek, I. Litzov, G. J. Matt, E. Spiecker, C. J. Brabec :
    "Spray-Coated Silver Nanowires as Top Electrode Layer in Semitransparent P3HT:PCBM-Based Organic Solar Cell Devices"
    Adv. Funct. Mater., 23, pp. 1711-1717, (2012)
    DOI: 10.1002/adfm.201202523
  • M. Klaumünzer, M. Mačković, P. Ferstl, M. Voigt, E. Spiecker, B. Meyer, W. Peukert:
    "Phase Transition Behavior and Oriented Aggregation During Precipitation of In(OH)3 and InOOH Nanocrystals"
    Journal of Physical Chemistry, 116, pp. 24529-24537, (2012)
    DOI: 10.1021/jp305858n
  • H. Faber, B. Butz, C. Dieker, E. Spiecker, M. Halik:
    "Fully Patterned Low-Voltage Transparent Metal Oxide Transistors Deposited Solely By Chemical Spray Pyrolysis"
    Adv. Funct. Mater., 23, pp. 2828-2834, (2012)
    DOI: 10.1002/adfm.201202334
  • S. W. Schmitt, F. Schechtel, D. Amkreutz, M. Bashouti, S. K. Srivastava, B. Hoffmann, C. Dieker, E. Spiecker, B. Rech, S. H. Christiansen:
    "Nanowire arrays in multicrystalline silicon thin films on glass: A promising material for research and applications in nanotechnology"
    Nano Letters, 12, pp. 4050-4054, (2012)
    DOI: 10.1021/nl301419q
  • M.-E. Ragoussi, J. Malig, G. Katsukis, B. Butz, E. Spiecker, G. de la Torre, T. Torres, D. M. Guldi:
    "Linking Photo- and Redoxactive Phthalocyanines Covalently to Graphene"
    Angew. Chem. Int. Ed., 51, pp. 6421-6425, (2012)
    DOI: 10.1002/anie.201201452


  • M. Garbrecht, E. Spiecker, K. Tillmann, W. Jäger:
    "Quantitative atom column position analysis at the incommensurate interfaces of (PbS)1.14NbS2 misfit layered compound with aberration-corrected HRTEM"
    Ultramicroscopy, 111, pp. 245-250, (2011)
    DOI: 10.1016/j.ultramic.2010.11.031
  • C. Damm, D. Segets, G. Yang, B. Vieweg, E. Spiecker, W. Peukert:
    "Shape Transformation Mechanism of Silver Nanorods in Aqueous Solution"
    Small 7, pp. 147-156, (2011)
    DOI: 10.1002/smll.201001600
  • H. Faber, M. Klaumünzer, M. Voigt, D. Galli, B. F. Vieweg, W. Peukert, E. Spiecker, M. Halik:
    "Morphological impact of zinc oxide layers on the device performance in thin-film transistors"
    Nanoscale, 3, pp. 897-899, (2011)
    DOI: 10.1039/C0NR00800A
  • M. Novak, A. Ebel, T. Meyer-Friedrichsen, A. Jedaa, B. F. Vieweg, G. Yang, K. Voitchovsky, F. Stellacci, E. Spiecker, A. Hirsch, M. Halik:
    "Low-Voltage p- and n-Type Organic Self-Assembled Monolayer Field Effect Transistors"
    Nano Lett., 11, pp. 156-159, (2011)
    DOI: 10.1021/nl103200r
  • J. Schaufler, G. Yang, K. Durst, E. Spiecker, M. Göken:
    "Microscopic study on interfacial strength of hydrogenerated amorphous carbon coating systems"
    Surf. Coat. Tech. 205, pp. 3429-3433, (2011)
    DOI: 10.1016/j.surfcoat.2010.12.005
  • M. Voigt, M. Klaumünzer, A. Ebel, F. Werner, G. Yang, R. Marczak, E. Spiecker, D. Guldi, A. Hirsch, W. Peukert:
    "Surface Functionalization of ZnO Nanorods with C60 Derivatives Carrying Phosphonic Acid Functionalities"
    J. Phys. Chem. C, 115, pp. 5561-5565, (2011)
    DOI: 10.1021/jP112079u
  • F. J. J. Kellner, M. S. Killian, G. Yang, E. Spiecker, S. Virtanen:
    "TEM and TOF-SIMS studies on the corrosion behavior of vanadium and chromium containing WC-Co hardmetals in alkaline solutions"
    International Journal of Refractory Metals and Hard Materials, 29, pp. 376-383, (2011)
    DOI: 10.1016/j.ijrmhm.2011.01.008
  • M. E. M. Berger, D. Assenbaum, N. Taccardi, E. Spiecker, P. Wasserscheid:
    "Simple and recycable ionic liquid based system for the selective decomposition of formic acid to hydrogen and carbon dioxide"
    Green Chem. 13, pp. 1411-1415, (2011)
    DOI: 10.1039/C0GC00829J
  • J. M. Englert, C. Dotzer, G. Yang, M. Schmid, C. Papp, J. M. Gottfried, H.-P. Steinrück, E. Spiecker, F. Hauke, A. Hirsch:
    "Covalent bulk functionalization of graphene"
    Nature Chemistry 3, pp. 279-286, (2011)
    DOI: 10.1038/nchem.1010
  • B. Birajdar, T. Antesberger, M. Stutzmann, E. Spiecker:
    "Epitaxial upward transport of Al at the beginning of the Al-induced layer exchange process"
    Phys. Status Solidi RRL 5, pp. 172-174, (2011)
    DOI: 10.1002/pssr.201105110
  • J. Krantz, M. Richter, S. Spallek, E. Spiecker, C. J. Brabec :
    "Solution-Processed Metallic Nanowire Electrodes as Indium Tin Oxide Replacement for Thin-Film Solar Cells"
    Adv. Funct. Mater.21, 24, pp. 4784-4787, (2011)
    DOI: 10.1002/adfm.201100457


  • E. Spiecker, M. Garbrecht, W. Jägerand, K. Tillmann :
    "Advantages of aberration correction for HRTEM investigation of complex layer compounds"
    Journal of Microscopy, 237, pp. 341-346, (2010)
    DOI: 10.1111/j.1365-2818.2009.03257.x
  • P. Roy, D. Kim, K. Lee, E. Spiecker, P. Schmuki :
    "TiO2 nanotubes and their application in dye-sensitized solar cells "
    Nanoscale 2, pp. 45-59, (2010)
    DOI: 10.1039/B9NR00131J
  • D. Häussler, C. Morawe, U. Roß, B. Ögüt, E. Spiecker, W. Jäger, F. Hertlein, U. Heidorn, J. Wiesmann:
    "Aperiodic W/B4C multilayer systems for X-ray optics: Quantitative determination of layer thickness by HAADF-STEM and X-ray reflectivity"
    Surface & Coatings Technology, 204, pp. 1929-1932, (2010)
    DOI: 10.1016/j.surfcoat.2009.10.005
  • W. Wei, H. Jha, G. Yang, R. Hahn, I. Paramasivam, S. Berger, E. Spiecker, P. Schmuki :
    "Formation of Self-Organized Superlattice Nanotube Arrays - Embedding Heterojunctions into Nanotube Walls"
    Advanced Materials , 22, pp. 4770-4774, (2010)
    DOI: 10.1002/adma.201002091
  • N. V. Kozhemyakina , J. M. Englert , G. Yang , E. Spiecker , C. D. Schmidt , F. Hauke, A. Hirsch:
    "Non-Covalent Chemistry of Graphene: Electronic Communication with Dendronized Perylene Bisimides"
    Advanced Materials, 22, pp. 5483-5487, (2010)
    DOI: 10.1002/adma.201003206
  • P. Hens, J. Müller, L. Fahlbusch, E. Spiecker, P. Wellmann:
    "Generation of void-like structures during hot-hydrogen etching of Si substrates for 3C-SiC epitaxy Proc. 8th European Conference on Silicon Carbide and Related Materials (ECSCRM)"
    Materials Science Forum, pp. 679-680, (2010)
    DOI: 10.4028/
  • K. Lee, D. Kim, P. Roy, I. Paramasivam, B. I. Birajdar, E. Spiecker and P. Schmuki:
    "Anodic formation of thick anatase TiO2 mesosponge layers for high-efficiency photocatalysis"
    Journal of the American Chemical Society, 132, pp. 1478-1479, (2010)
    DOI: 10.1021/ja910045x


  • D. Kim, K. Lee, P. Roy, B. I. Birajdar, E. Spiecker, P. Schmuki :
    "Formation of non-thickness-limited TiO2 mesosponge and its use in dye-sensitized solar cells"
    Angew. Chem. Int. Ed., 48, pp. 9326-9329, (2009)
    DOI: 10.1002/anie.200904455