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LTI

M.Sc. Christian Sprau

Wissenschaftlicher Mitarbeiter
Herstellung organischer Solarzellen aus halogenfreien Lösungsmitteln: Struktur-Eigenschafts-Beziehungen

Materialwissenschaftliches Zentrum für Energiesysteme (MZE)
Straße am Forum 7, Geb. 30.48
76131 Karlsruhe



Doktorprüfung

Thema: Herstellung organischer Solarzellen aus halogenfreien Lösungsmitteln: Struktur-Eigenschafts-Beziehungen

Mündliche Prüfung: 06.02.2019
Referent: Priv.-Doz. Dr.-Ing. Alexander Colsmann
1. Korreferent: Prof. Dr.rer.nat. Thomas Riedl (Bergische Universität Wuppertal)
2. Korreferent: Prof. Dr.rer.nat. Uli Lemmer

Publikationen


2019
Thermal Stabilization of the Bulk-Heterojunction Morphology in Polymer:Fullerene Solar Cells Using a Bisazide Cross-Linker.
Landerer, D.; Sprau, C.; Baumann, D.; Pingel, P.; Leonhard, T.; Zimmermann, D.; Chochos, C. L.; Krüger, H.; Janietz, S.; Colsmann, A.
2019. Solar RRL, 3 (2), 1800266. doi:10.1002/solr.201800266
2018
Rapid experimental optimization of organic tandem solar cells: 200 absorber layer thickness combinations on a 4×4 cm2 substrate.
Glaser, K.; Beu, P.; Bahro, D.; Sprau, C.; Pütz, A.; Colsmann, A.
2018. Journal of materials chemistry / A, 6 (19), 9257–9263. doi:10.1039/c8ta00590g
Synthesis of D- π -A- π type benzodithiophene-quinoxaline copolymers by direct arylation and their application in organic solar cells.
Zimmermann, D.; Sprau, C.; Schröder, J.; Gregoriou, V. G.; Avgeropoulos, A.; Chochos, C. L.; Colsmann, A.; Janietz, S.; Krüger, H.
2018. Journal of polymer science / A, 56 (13), 1457–1467. doi:10.1002/pola.29027
Effects of alkyl side chains positioning and presence of fused aromatic units in the backbone of low-bandgap diketopyrrolopyrrole copolymers on the optoelectronic properties of organic solar cells.
Chochos, C. L.; Katsouras, A.; Drakopoulou, S.; Miskaki, C.; Krassas, M.; Tzourmpakis, P.; Kakavelakis, G.; Sprau, C.; Colsmann, A.; Squeo, B. M.; Gregoriou, V. G.; Kymakis, E.; Avgeropoulos, A.
2018. Journal of polymer science / A, 56 (1), 138–146. doi:10.1002/pola.28901
2017
Rational In Silico Design of an Organic Semiconductor with Improved Electron Mobility.
Friederich, P.; Gómez, V.; Sprau, C.; Meded, V.; Strunk, T.; Jenne, M.; Magri, A.; Symalla, F.; Colsmann, A.; Ruben, M.; Wenzel, W.
2017. Advanced materials, 1703505. doi:10.1002/adma.201703505
Beyond Donor-Acceptor (D-A) Approach : Structure-Optoelectronic Properties-Organic Photovoltaic Performance Correlation in New D-A₁-D-A₂ Low-Bandgap Conjugated Polymers.
Chochos, C. L.; Drakopoulou, S.; Katsouras, A.; Squeo, B. M.; Sprau, C.; Colsmann, A.; Gregoriou, V. G.; Cando, A.-P.; Allard, S.; Scherf, U.; Gasparini, N.; Kazerouni, N.; Ameri, T.; Brabec, C. J.; Avgeropoulos, A.
2017. Macromolecular rapid communications, 38 (7), Art. Nr. 1600720. doi:10.1002/marc.201600720
2016
Seeing Down to the Bottom: Nondestructive Inspection of All-Polymer Solar Cells by Kelvin Probe Force Microscopy.
Cui, Z.; Sun, J.; Landerer, D.; Sprau, C.; Thelen, R.; Colsmann, A.; Hölscher, H.; Ma, W.; Chi, L.
2016. Advanced materials interfaces, 3 (18), Art.Nr.:1600446. doi:10.1002/admi.201600446
2015
Highly efficient polymer solar cells cast from non-halogenated xylene/anisaldehyde solution.
Sprau, C.; Buss, F.; Wagner, M.; Landerer, D.; Koppitz, M.; Schulz, A.; Bahro, D.; Schabel, W.; Scharfer, P.; Colsmann, A.
2015. Energy and Environmental Science, 8 (9), 2744–2752. doi:10.1039/c5ee01917f
2012
Spatial mapping of photocurrents in organic solar cells comprising wedge-shaped absorber layers for an efficient material screening.
Nickel, F.; Sprau, C.; Klein, M. F. G.; Kapetana, P.; Christ, N.; Liu, X.; Klinkhammer, S.; Lemmer, U.; Colsmann, A.
2012. Solar Energy Materials and Solar Cells, 104, 18–22. doi:10.1016/j.solmat.2012.04.026