Publications 2014


Akaike, K.; Koch, N.; Oehzelt, M.: Fermi level pinning induced electrostatic fields and band bending at organic heterojunctions. Applied Physics Letters 105 (2014), p. 223303/1-4
doi:10.1063/1.4903360
Open Access Version


Castellani, M.; Winkler, S.; Bröker, B.; Baumgarten, M.; Müllen, K.; Koch, N.: Work function increase of transparent conductive electrodes by solution processed electron acceptor molecular monolayers. Applied Physics A - Materials Science and Processing 114 (2014), p. 291-295
doi:10.1007/s00339-013-8048-x


Christodoulou, C.; Giannakopoulos, A.; Nardi, M.V.; Ligorio, G.; Oehzelt, M.; Chen, L.; Pasquali, L.; Timpel, M.; Giglia, A.; Nannarone, S.; Norman, P.; Linares, M.; Parvez, K.; Muellen, K.; Beljonne, D.; Koch, N.: Tuning the Work Function of Graphene-on-Quartz with a High Weight Molecular Acceptor. The Journal of Physical Chemistry C 118 (2014), p. 4784-4790
doi:10.1021/jp4122408


Ciesielski, A.; Haar, S.; El Gemayel, M.; Yang, H.; Clough, J.; Melinte, G.; Gobbi, M.; Orgiu, E.; Nardi, M.V.; Ligorio, G.; Palermo, V.; Koch, N.; Ersen, O.; Casiraghi, C.; Samori, P.: Harnessing the Liquid-Phase Exfoliation of Graphene Using Aliphatic Compounds: A Supramolecular Approach. Angewandte Chemie - International Edition 53 (2014), p. 10355-10361
doi:10.1002/anie.201402696


Dostert, K.-H.; O'Brien, C.P.; Riedel, W.; Savara, A.; Liu, W.; Oehzelt, M.; Tkatchenko, A.; Schauermann, S.: Interaction of Isophorone with Pd(111): A Combination of Infrared Reflection-Absorption Spectroscopy, Near-Edge X-ray Absorption Fine Structure, and Density Functional Theory Studies. The Journal of Physical Chemistry C 118 (2014), p. 27833-27842
doi:10.1021/jp506637v
Open Access Version


Heming, N.; Treske, U.; Knupfer, M.; Büchner, B.; Inosov, D.; Shitsevalova, N.; Filipov, V.; Krause, S.; Koitzsch, A.: Surface properties of SmB6 from x-ray photoelectron spectroscopy. Physical Review B 90 (2014), p. 195128/1-7
doi:10.1103/PhysRevB.90.195128


Hörmann, U.; Lorch, C.; Hinderhofer, A.; Gerlach, A.; Gruber, M.; Kraus, J.; Sykora, B.; Grob, S.; Linderl, T.; Wilke, A.; Opitz, A.; Hansson, R.; Anselmo, A.; Ozawa, Y.; Nakayama, Y.; Ishii, H.; Koch, N.; Moons, E.; Schreiber, F.; Brütting, W.: V-oc from a Morphology Point of View: the Influence of Molecular Orientation on the Open Circuit Voltage of Organic Planar Heterojunction Solar Cells. The Journal of Physical Chemistry C 118 (2014), p. 26462-26470
doi:10.1021/jp506180k


Ligorio, G.; Nardi, M.V.; Christodoulou, C.; Florea, I.; Monteiro, N.-C.; Ersen, O.; Brinkmann, M.; Koch, N.: Charging and exciton-mediated decharging of metal nanoparticles in organic semiconductor matrices. Applied Physics Letters 104 (2014), p. 163302/1-4
doi:10.1063/1.4873347


Niederhausen, J.; Duhm, S.; Heimel, G.; Bürker, C.; Xin, Q.; Wilke, A.; Vollmer, A.; Schreiber, F.; Kera, K.; Rabe, J.P.; Ueno, N.; Koch, N.: Seleno groups control the energy-level alignment between conjugated organic molecules and metals. The Journal of Chemical Physics 140 (2014), p. 014705/1-12
doi:10.1063/1.4858856


Oehzelt, M.; Koch, N.; Heimel, G.: Organic semiconductor density of states controls the energy level alignment at electrode interfaces. Nature Communications 5 (2014), p. 4174/1-8
doi:10.1038/ncomms5174
Open Access Version


Timpel, M.; Nardi, M.; Krause, S.; Ligorio, G.; Christodoulou, C.; Pasquali, L.; Giglia, A.; Frisch, J.; Wegner, B.; Moras, P.; Koch, N.: Surface modification of ZnO(0001)-Zn with phosphonate-based self-assembled monolayers: Binding modes, orientation, and work function. Chemistry of Materials 26 (2014), p. 5042-5050
doi:10.1021/cm502171m


Treske, U.; Heming, N.; Knupfer, M.; Büchner, B.; Koitzsch, A.; Di Gennaro, E.; Scotti di Uccio, U.; Miletto Granozio, F.; Krause, S.: Observation of strontium segregation in LaAlO3/SrTiO3 and NdGaO3/SrTiO3 oxide heterostructures by X-ray photoemission spectroscopy. APL Materials 2 (2014), p. 012108/1-8
doi:10.1063/1.4861797


Wang, H.; Amsalem, P.; Heimel, G.; Salzmann, I.; Koch, N.; Oehzelt, M.: Band-Bending in Organic Semiconductors: the Role of Alkali-Halide Interlayers. Advanced Materials 26 (2014), p. 925-930
doi:10.1002/adma.201303467


Winkler, S.; Frisch, J.; Amsalem, P.; Krause, S.; Timpel, M.; Stolte, M.; Wurthner, F.; Koch, N.: Impact of Molecular Dipole Moments on Fermi Level Pinning in Thin Films. The Journal of Physical Chemistry C 118 (2014), p. 11731-11737
doi:10.1021/jp5021615


Yu, S.; Opitz, A.; Grob, S.; Resel, R.; Oehzelt, M.; Bruetting, W.; Salzmann, I.; Koch, N.: Performance enhancement of diindenoperylene-based organic photovoltaic cells by nanocolumn-arrays. Organic Electronics 15 (2014), p. 2210-2217
doi:10.1016/j.orgel.2014.06.023