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Analysis of the voltage losses in CZTSSe solar cells of varying Sn content
Azzouzi, M., Cabas-Vidani, A., Haass, S. G., Röhr, J. A., Romanyuk, Y. E., Tiwari, A. N., & Nelson, J. (2019). Analysis of the voltage losses in CZTSSe solar cells of varying Sn content. Journal of Physical Chemistry Letters, 10(11), 2829-2835. https://doi.org/10.1021/acs.jpclett.9b00506
Doping and alloying of kesterites
Romanyuk, Y. E., Haass, S. G., Giraldo, S., Placidi, M., Tiwari, D., Fermin, D. J., … Wong, L. H. (2019). Doping and alloying of kesterites. Journal of Physics Energy, 1(4), 044004 (22 pp.). https://doi.org/10.1088/2515-7655/ab23bc
Decoupling of optoelectronic properties from morphological changes in sodium treated kesterite thin film solar cells
Andres, C., Schwarz, T., Haass, S. G., Weiss, T. P., Carron, R., Caballero, R., … Romanyuk, Y. E. (2018). Decoupling of optoelectronic properties from morphological changes in sodium treated kesterite thin film solar cells. Solar Energy, 175, 94-100. https://doi.org/10.1016/j.solener.2018.03.067
Effect of magnesium incorporation on solution-processed kesterite solar cells
Caballero, R., Haass, S. G., Andres, C., Arques, L., Oliva, F., Izquierdo-Roca, V., & Romanyuk, Y. E. (2018). Effect of magnesium incorporation on solution-processed kesterite solar cells. Frontiers in Chemistry, 6, 5 (9 pp.). https://doi.org/10.3389/fchem.2018.00005
High-efficiency (Li<small><sub><i>x</i></sub></small>Cu<small><sub>1−<i>x</i></sub></small>)<small><sub>2</sub></small>ZnSn(S,Se)<small><sub>4</sub></small> kesterite solar cells with lithium alloying
Cabas-Vidani, A., Haass, S. G., Andres, C., Caballero, R., Figi, R., Schreiner, C., … Romanyuk, Y. E. (2018). High-efficiency (LixCu1−x)2ZnSn(S,Se)4 kesterite solar cells with lithium alloying. Advanced Energy Materials, 8(34), 1801191 (8 pp.). https://doi.org/10.1002/aenm.201801191
Ni-Al-Cr superalloy as high temperature cathode current collector for advanced thin film Li batteries
Filippin, A. N., Lin, T. Y., Rawlence, M., Zünd, T., Kravchyk, K., Sastre-Pellicer, J., … Buecheler, S. (2018). Ni-Al-Cr superalloy as high temperature cathode current collector for advanced thin film Li batteries. RSC Advances, 8(36), 20304-20313. https://doi.org/10.1039/c8ra02461h
Complex interplay between absorber composition and alkali doping in high-efficiency kesterite solar cells
Haass, S. G., Andres, C., Figi, R., Schreiner, C., Bürki, M., Romanyuk, Y. E., & Tiwari, A. N. (2018). Complex interplay between absorber composition and alkali doping in high-efficiency kesterite solar cells. Advanced Energy Materials, 8(4), 1701760 (9 pp.). https://doi.org/10.1002/aenm.201701760
Effects of potassium on kesterite solar cells: similarities, differences and synergies with sodium
Haass, S. G., Andres, C., Figi, R., Schreiner, C., Bürki, M., Tiwari, A. N., & Romanyuk, Y. E. (2018). Effects of potassium on kesterite solar cells: similarities, differences and synergies with sodium. AIP Advances, 8(1), 015133 (11 pp.). https://doi.org/10.1063/1.5013114
Structural and electronic properties of CdTe<small><sub>1-x</sub></small>Se<small><sub>x</sub></small> films and their application in solar cells
Lingg, M., Spescha, A., Haass, S. G., Carron, R., Buecheler, S., & Tiwari, A. N. (2018). Structural and electronic properties of CdTe1-xSex films and their application in solar cells. Science and Technology of Advanced Materials, 19(1), 683-692. https://doi.org/10.1080/14686996.2018.1497403
A direct measurement of higher photovoltage at grain boundaries in CdS/ CZTSe solar cells using KPFM technique
Vishwakarma, M., Varandani, D., Andres, C., Romanyuk, Y. E., Haass, S. G., Tiwari, A. N., & Mehta, B. R. (2018). A direct measurement of higher photovoltage at grain boundaries in CdS/ CZTSe solar cells using KPFM technique. Solar Energy Materials and Solar Cells, 183, 34-40. https://doi.org/10.1016/j.solmat.2018.01.040
Cu(In,Ga)Se<sub>2</sub> solar cells on low cost mild steel substrates
Zortea, L., Nishiwaki, S., Weiss, T. P., Haass, S., Perrenoud, J., Greuter, L., … Tiwari, A. N. (2018). Cu(In,Ga)Se2 solar cells on low cost mild steel substrates. Solar Energy, 175, 25-30. https://doi.org/10.1016/j.solener.2017.12.057
9.4% efficient Cu<SUB>2</SUB>ZnSnSe<SUB>4</SUB> solar cells from co-sputtered elemental metal precursor and rapid thermal annealing
Andres, C., Haass, S. G., Romanyuk, Y. E., & Tiwari, A. N. (2017). 9.4% efficient Cu2ZnSnSe4 solar cells from co-sputtered elemental metal precursor and rapid thermal annealing. Thin Solid Films, 633, 141-145. https://doi.org/10.1016/j.tsf.2016.09.048
Potassium post deposition treatment of solution-processed kesterite solar cells
Haass, S. G., Diethelm, M., Andres, C., Romanyuk, Y. E., & Tiwari, A. N. (2017). Potassium post deposition treatment of solution-processed kesterite solar cells. Thin Solid Films, 633, 131-134. https://doi.org/10.1016/j.tsf.2016.11.012
Surface passivation for reliable measurement of bulk electronic properties of heterojunction devices
Bissig, B., Guerra-Nunez, C., Carron, R., Nishiwaki, S., La Mattina, F., Pianezzi, F., … Tiwari, A. N. (2016). Surface passivation for reliable measurement of bulk electronic properties of heterojunction devices. Small, 12(38), 5339-5346. https://doi.org/10.1002/smll.201601575
Systematic compositional changes and their influence on lattice and optoelectronic properties of Cu<sub>2</sub>ZnSnSe<sub>4</sub> kesterite solar cells
Márquez, J., Neuschitzer, M., Dimitrievska, M., Gunder, R., Haass, S., Werner, M., … Forbes, I. (2016). Systematic compositional changes and their influence on lattice and optoelectronic properties of Cu2ZnSnSe4 kesterite solar cells. Solar Energy Materials and Solar Cells, 144, 579-585. https://doi.org/10.1016/j.solmat.2015.10.004
Towards high performance Cd-free CZTSe solar cells with a ZnS(O,OH) buffer layer: the influence of thiourea concentration on chemical bath deposition
Neuschitzer, M., Lienau, K., Guc, M., Barrio, L. C., Haass, S., Prieto, J. M., … Saucedo, E. (2016). Towards high performance Cd-free CZTSe solar cells with a ZnS(O,OH) buffer layer: the influence of thiourea concentration on chemical bath deposition. Journal of Physics D: Applied Physics, 49(12), 125602 (9 pp.). https://doi.org/10.1088/0022-3727/49/12/125602
11.2% efficient solution processed kesterite solar cell with a low voltage deficit
Haass, S. G., Diethelm, M., Werner, M., Bissig, B., Romanyuk, Y. E., & Tiwari, A. N. (2015). 11.2% efficient solution processed kesterite solar cell with a low voltage deficit. Advanced Energy Materials, 5(18), 1500712 (7 pp.). https://doi.org/10.1002/aenm.201500712
Optimization of CdS buffer layer for high-performance Cu<SUB>2</SUB>ZnSnSe<SUB>4</SUB> solar cells and the effects of light soaking: elimination of crossover and red kink
Neuschitzer, M., Sanchez, Y., López-Marino, S., Xie, H., Fairbrother, A., Placidi, M., … Saucedo, E. (2015). Optimization of CdS buffer layer for high-performance Cu2ZnSnSe4 solar cells and the effects of light soaking: elimination of crossover and red kink. Progress in Photovoltaics, 23(11), 1660-1667. https://doi.org/10.1002/pip.2589
All solution-processed chalcogenide solar cells – from single functional layers towards a 13.8% efficient CIGS device
Romanyuk, Y. E., Hagendorfer, H., Stücheli, P., Fuchs, P., Uhl, A. R., Sutter-Fella, C. M., … Tiwari, A. N. (2015). All solution-processed chalcogenide solar cells – from single functional layers towards a 13.8% efficient CIGS device. Advanced Functional Materials, 25(1), 12-27. https://doi.org/10.1002/adfm.201402288
Enhanced carrier collection from CdS passivated grains in solution-processed Cu<SUB>2</SUB>ZnSn(S,Se)<SUB>4</SUB> solar cells
Werner, M., Keller, D., Haass, S. G., Gretener, C., Bissig, B., Fuchs, P., … Tiwari, A. N. (2015). Enhanced carrier collection from CdS passivated grains in solution-processed Cu2ZnSn(S,Se)4 solar cells. ACS Applied Materials and Interfaces, 7(22), 12141-12146. https://doi.org/10.1021/acsami.5b02435