Publications 2011

Barczuk, P.J.; Lewera, A.; Skorupska, K.; Jiang, S.P.; Li, C.; Kulesza, P.J.: Enhancement of Activity of PtRu Nanoparticles Towards Oxidation of Ethanol by Supporting on Poly(diallyldimethylammonium)-Functionalized Carbon Nanotubes and Modification with Phosphomolybdate. Electrocatalysis 2 (2011), p. 52-59

Bartelt, Andreas F.; Strothkamper, Christian; Schindler, Wolfram; Fostiropoulos, Konstantinos; Eichberger, Rainer: Morphology effects on charge generation and recombination dynamics at ZnPc:C60 bulk hetero-junctions using time-resolved terahertz spectroscopy. Applied Physics Letters 99 (2011), p. 143304

Braun, A.; Szabo, N.; Schwarzburg, K.; Hannappel, T.; Katz, E.; Gordon, J.M.: Current-limiting behavior in multijunction solar cells. Applied Physics Letters 98 (2011), p. 223506/1-3

Brückner, S.; Döscher, H.; Dobrich, A.; Supplie, O.; Kleinschmidt, P.; Hannappel T.: MOVPE preparation and in situ spectroscopy of Si(100) substrates for III-V heteroepitaxy. In: Grote, N. [Ed.] : 23rd International Conference on Indium Phosphide and Related Materials - IPRM 2011 : May 22 - 26, 2011. Berlin: VDE-Verl., 2011. - ISBN 978-3-8007-3356-9, p. 352-355

Brückner, S.; Döscher, H.; Kleinschmidt, P.; Hannappel, T.: In situ investigation of hydrogen interacting with Si(100). Applied Physics Letters 98 (2011), p. 211909/1-3

Dittrich, Th.; Fiechter, S.; Thomas, A.: Surface photovoltage spectroscopy of carbon nitride powder. Applied Physics Letters 99 (2011), p. 084105/1-3

Dobrich, A.; Kleinschmidt, P.; Döscher, H.; Hannappel, T. : Quantitative investigation of hydrogen bonds on Si(100) surfaces prepared by vapor phase epitaxy. Journal of Vacuum Science & Technology B 29 (2011), p. 04D114/1-6

Döscher, H.; Borkenhagen, B.; Lilienkamp, G.; Daum, W.; Hannappel, T.: III–V on silicon: Observation of gallium phosphide anti-phase disorder by low-energy electron microscopy. Surface Science 605 (2011), p. L38-L41

Friedrich, D.: A study of charge transfer kinetics in dye-sensitized surface conductivity solar cells. Berlin: Helmholtz Zentrum Berlin, 2011 (Schriftenreihe des HZB - Examensarbeiten ; HZB-B 13)
Zugl.: Berlin,Freie Univ., Diss., IX, 139 S.
Open Access Version

Friedrich, D.; Kunst, M.: Analysis of charge carrier kinetics in nanoporous systems by time resolved photoconductance measurements. Journal of Physical Chemistry C 115 (2011), p. 16657-16663

Friedrich, D.; Valldecabres, L.; Kunst, M.: Charge carrier kinetics in ZnO films and nanorods. Chemical Physics Letters 515 (2011), p. 109-115

Grothausmann, R.; Zehl, G.; Manke, I.; Fiechter, S.; Bogdanoff, P.; Dorbandt, I.; Kupsch, A.; Lange, A.; Hentschel, M.P.; Schumacher, G.; Banhart, J.: Quantitative Structural Assessment of Heterogeneous Catalysts by Electron Tomography. Journal of the American Chemical Society 133 (2011), p. 18161-18171

Grzanna, J.; Notz, T.; Stempel, T.; Lewerenz, H.-J.: Structure Formation at the nanometric scale during current oscillations at the Si/electrolyte contact. Physica Status Solidi C 8 (2011), p. 1734-1738

Grzanna, J.; Notz, T.; Stempel, T.; Lewerenz, H.J.: Nanopore Morphology Development during Current Oscillations at the Si/Electrolyte Contact. ECS Transactions 33 (2011), p. 127-135

Herranz, J.; Jaouen, F.; Lefèvre, M.; Kramm, U.I.; Proietti, E.; Dodelet, J.-P.; Bogdanoff, P.; Fiechter, S.; Abs-Wurmbach, I.; Bertrand, P.; Arruda, T.M.; Mukerjee, S.: Unveiling N-protonation and anion-binding effects on Fe/N/C catalysts for O2 reduction in Proton-Exchange-Membrane fuel cells. Journal of Physical Chemistry C 115 (2011), p. 16087-16097

Herrmann-Geppert, I.; Radnik, J.; Kramm, U.I.; Fiechter, S.; Bogdanoff, P.: Improved Platinum Electrocatalyst for the Oxygen Reduction Reaction using Nitrogen-modified Carbon Support. ECS Transactions 41 (2011), p. 1161-1171

Kaiser, B.; Jaegermann, W.; Fiechter, S.; Lewerenz, H.-J.: Direct photoelectrochemical conversion of sun light into hydrogen for chemical energy storage. Bunsen-Magazin 13 (2011), p. 104-111

Klein, D. ; Kunst, M.: Study of surface passivation of crystalline silicon with amorphous silicon carbide deposited by plasma enhanced chemical vapor deposition. Applied Physics Letters 99 (2011), p. 232106/1-3

Kleinschmidt, P.; Brückner, S.; Supplie, O.; Dobrich, A.; Döscher, H.; Hannappel, T.: In-situ control and atomic imaging of double-layer steps on MOVPE-prepared Si(100). In: 14th European Workshop on Metalorganic Vapor Phase Epitaxy. EW-MOVPE 2011. June 5 -8, Wroclaw, Polen. , 2011, p. [1-4]

Kramm, U.I.; Abs-Wurmbach, I.; Herrmann-Geppert, I.; Radnik, J.; Fiechter, S.; Bogdanoff, P.: Influence of the electron-density of FeN4-centers towards the catalytic activity of pyrolyzed FeTMPPCl-based ORR-electrocatalysts. Journal of the Electrochemical Society 158 (2011), p. B69-B78

Kramm, U.I.; Herrmann-Geppert, I.; Bogdanoff, P.; Fiechter, S.: Effect of an ammonia treatment on structure, composition, and oxygen reduction reaction activity of Fe-N-C catalysts. Journal of Physical Chemistry C 115 (2011), p. 23417-23427

Krause, J.; Harbauer, K.; Welzel, T.; Ellmer, K.: Reactive co-sputtering of Cu(In,Ga)S2 absorber layers: role of Cu-excess and ion assistance. In: Ossenbrink, H. [u.a.] [Eds.] : 26th European Photovoltaic Solar Energy Conference 5 - 9 September, Hamburg, Germany. München: WIP, 2011. - ISBN 3-936338-27-2, p. 3059-3063

Lehmann, S.; Fuertes Marron, D.; Leon, M.; Feyerherm, R.; Dudzik, E.; Friedrich, E.J.; Tovar, M.; Tomm, Y.; Wolf, C.; Schorr, S.; Schedel-Niedrig, Th.; Lux-Steiner, M.Ch.; Merino, J M.: Long-range structure of Cu(InxGa{1-x})3Se5: A complementary neutron and anomalous x-ray diffraction study. Journal of Applied Physics 109 (2011), p. 013518/1-11

Lewerenz, H.J.: Micro- and nanotopographies for photoelectrochemical energy conversion. I: The photovoltaic mode. Electrochimica Acta 56 (2011), p. 10713-10725

Lewerenz, H.J.: Operational principles of electrochemical nanoemitter solar cells for photovoltaic and photoelectrocatalytic applications. Journal of Electroanalytical Chemistry 662 (2011), p. 184-195

Lewerenz, H.J.; Skorupska, K. ; Munoz, A.G.; Stempel, T.; Nüsse, N. ; Lublow, M. ; Vo-Dinh, T. ; Kulesza, P.: Micro- and nanotopographies for photoelectrochemical energy conversion. II: Photoelectrocatalysis - Classical and advanced systems. Electrochimica Acta 56 (2011), p. 10726-10736

May, M.M.; Brabetz, C.; Janowitz, C.; Manzke, R.: The influence of different growth conditions on the charge density wave transition of 1T-TiSe2. Journal of Electron Spectroscopy and Related Phenomena 184 (2011), p. 180-183
Open Access Version

May, M.M.; Brabetz, C.; Janowitz, C.; Manzke, R.: Charge-Density-Wave Phase of 1T-TiSe2: The Influence of Conduction Band Population. Physical Review Letters 107 (2011), p. 176405/1-4
Open Access Version

Miecznikowski, K.; Kulesza, P.; Fiechter, S.: Application of Black Pearl carbon-supported WO3 nanostructures as hybrid carriers for electrocatalytic RuSex nanoparticles. Applied Surface Science 257 (2011), p. 8215-8222

Munoz, A.G.; Heine, C.; Klemm, H.W.; Hannappel, T.; Szabo, N.; Lewerenz, H.J.: Electrochemical Passivation of Homoepitaxial InP (100) Thin Films for Light Induced Hydrogen Evolution: A Synchrotron Radiation Photoelectron Spectroscopy Study. ECS Transactions 35 (2011), p. 141-145

Pavlova-Verevkina, O.; Ozerina, L.; Golubko, N.; Chemseddine, A.: Slow Aggregation of Titania Nanocrystals in Acidic Hydrosols. In: Chen, X. [u.a.] [Eds.] : Titanium dioxide nanomaterials : symposium held April 25 - 29, 2011, San Francisco, California, U.S.A. ; [Symposium GG, "Titanium Dioxide Nanomaterials" at the 2011 MRS spring meeting]. New York, NY: Cambridge Univ. Press, 2011 (Materials Research Society symposium proceedings ; 1352). - ISBN 978-1-605-11329-6, p. mrss11-1352-gg11/1-6

Rusu, M.; Wiesner, S.; Würz, R.; Lehmann, S.; Doka-Yamigno, S.; Meeder, A.; Marron, D.F.; Bär, M.; Koteski, V.; Mahnke, H.E.; Arushanov, E.; Beckmann, J.; Höhn, K.; Fritsch, W.; Bohne, W.; Schubert-Bischoff, P.; Heuken, M.; Jager-Waldau, A.; Rumberg, A.; Schedel-Niedrig, T.: CuGaxSey chalcopyrite-related thin films grown by chemical close-spaced vapor transport (CCSVT) for photovoltaic application: Surface- and bulk material properties, oxidation and surface Ge-doping. Solar Energy Materials and Solar Cells 95 (2011), p. 1555 - 1580

Skorupska, K.; Lewerenz, H.J.; Smith, J.R.; Kulesza, P.J.; Mernagh, D.; Campbell, S.A.: Macromolecule-semiconductor interfaces: From enzyme immobilization to photoelectrocatalytical applications. Journal of Electroanalytical Chemistry 662 (2011), p. 169-183

Skorupska, K.; Pettenkofer, Ch.; Sadewasser, S.; Streicher, F.; Haiss, W.; Lewerenz, H.-J.: Electronic and morphological properties of the electrochemically prepared step bunched silicon (111) surface. Physica Status Solidi B 248 (2011), p. 361 - 369

Sliem, M.A.; Chemseddine, A.; Bloeck, U.; Fischer, R.: PbSe nanocrystal shape development: oriented attachment at mild conditions and microwave assisted growth of nanocubes . CrystEngComm (2011), p. 483-488

Welzel, T.; Barucki, K.; Ellmer, K.: Observation of the Magnetic Separatrix Between a Magnetron and an Electron-Cyclotron Resonance Discharge. IEEE Transactions on Plasma Science 39 (2011), p. 2464-2465

Welzel, T.; Ellmer, K.: The influence of the target age on laterally resolved ion distributions in reactive planar magnetron sputtering. Surface and Coatings Technology 205 (2011), p. S294-S298

Welzel, Th.; Dunger, Th.; Liebig, B.; Richter, F.: Determination of energy modulations of negative oxygen ions during pulsed magnetron sputtering of magnesium oxide. Plasma Sources Science and Technology 20 (2011), p. 035020/1-8

Welzel, Th.; Naumov, S.; Ellmer, K.: Ion distribution measurements to probe target and plasma processes in electronegative magnetron discharges. I. Negative ions. Journal of Applied Physics 109 (2011), p. 073302/1-10

Welzel, Th.; Naumov, S.; Ellmer, K.: Ion distribution measurements to probe target and plasma processes in electronegative magnetron discharges. II. Positive ions. Journal of Applied Physics 109 (2011), p. 073303/1-10

Xu, M.; Gao, Y.: Martinez Moreno, E.; Kunst, M.: Muhler, M.; Wang, Y.; Idriss, H.; Wöll, C.: Photocatalytic Activity of Bulk TiO2 Anatase and Rutile Single Crystals Using Infrared Absorption Spectroscopy. Physical Review Letters 106 (2011), p. 138302/1-4

Zoladek, S.; Rutkowska, I.A.; Skorupska, K.; Palys, B.; Kulesza, P.J.: Fabrication of polyoxometallate-modified gold nanoparticles and their utilization as supports for dispersed platinum in electrocatalysis. ELECTROCHIMICA ACTA 56 (2011)

Zoladek, S.; Rutkowska, I.A.; Zurowski, A.; Skorupska, K.; Kulesza, P.J.; Jouini, M.; Perruchot, C.; Cox, J.A.: Structure, Morphology and Reactivity of Conducting Polymer-Linked Polyoxometallate-Modified Gold Nanoparticles. ECSTransactions 35 (2011), p. 27-37