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


2022
Nanoporous Polymer Reflectors for Organic Solar Cells
Yu, S.; Guo, B.; Johnsen, S.; Wiegand, G.; Lemmer, U.; Guo, X.; Zhang, M.; Li, Y.; Sprau, C.; Hölscher, H.; Colsmann, A.; Gomard, G.
2022. Energy technology, 10 (2), Art.-Nr. 2100676. doi:10.1002/ente.202100676
Microfluidics: Continuous‐Flow Synthesis of Nanoparticle Dispersions for the Fabrication of Organic Solar Cells
Fischer, K.; Marlow, P.; Manger, F.; Sprau, C.; Colsmann, A.
2022. Advanced Materials Technologies, Art.-Nr. 2200297. doi:10.1002/admt.202200297
Organic Solar Cells: Electrostatic Stabilization of Organic Semiconductor Nanoparticle Dispersions by Electrical Doping
Manger, F.; Marlow, P.; Fischer, K.; Nöller, M.; Sprau, C.; Colsmann, A.
2022. Advanced Functional Materials, 32 (33), Art.-Nr.: 2202566. doi:10.1002/adfm.202202566
2021
Highly Selective Cu Staining of Sulfur-Containing Polymers Facilitates 3D Nanomorphology Reconstruction of Polymer:Fullerene Blends in Organic Solar Cells by FIB-SEM Tomography
Li, Y.; Čalkovský, M.; Müller, E.; Sprau, C.; Colsmann, A.; Gerthsen, D.
2021. ACS applied materials & interfaces, 13 (44), 53252–53261. doi:10.1021/acsami.1c16728
Green Inks for the Fabrication of Organic Solar Cells: A Case Study on PBDTTPD:PCBM Bulk Heterojunctions
Sprau, C.; Cruz, A. M.; Bautista, L.; Molina, L.; Wagner, M.; Chochos, C. L.; Della Pirriera, M.; Colsmann, A.
2021. Advanced energy & sustainability research, 2 (9), Art.-Nr. 2100043. doi:10.1002/aesr.202100043
Revisiting Solvent Additives for the Fabrication of Polymer:Fullerene Solar Cells: Exploring a Series of Benzaldehydes
Sprau, C.; Kattenbusch, J.; Li, Y.; Müller, E.; Gerthsen, D.; Berger, R.; Michels, J. J.; Colsmann, A.
2021. Solar RRL, 5 (9), Art.-Nr. 2100238. doi:10.1002/solr.202100238
2020
Shining Light on Organic Solar Cells
Colsmann, A.; Röhm, H.; Sprau, C.
2020. Solar RRL, 4 (6), Art.Nr. 2000015. doi:10.1002/solr.202000015
2019
Mapping structure and morphology of amorphous organic thin films by 4D-STEM pair distribution function analysis
Mu, X.; Mazilkin, A. A.; Sprau, C.; Colsmann, A.; Kübel, C.
2019. Microscopy, 68 (4), 301–309. doi:10.1093/jmicro/dfz015
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
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
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
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, 29 (43), Art.Nr. 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