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How band tail recombination influences the open‐circuit voltage of solar cells
Wolter, M. H., Carron, R., Avancini, E., Bissig, B., Weiss, T. P., Nishiwaki, S., … Siebentritt, S. (2021). How band tail recombination influences the open‐circuit voltage of solar cells. Progress in Photovoltaics. https://doi.org/10.1002/pip.3449
NaF/RbF-treated Cu(In,Ga)Se<sub>2</sub> thin-film solar cell absorbers: distinct surface modifications caused by two different types of rubidium chemistry
Bombsch, J., Avancini, E., Carron, R., Handick, E., Garcia-Diez, R., Hartmann, C., … Bär, M. (2020). NaF/RbF-treated Cu(In,Ga)Se2 thin-film solar cell absorbers: distinct surface modifications caused by two different types of rubidium chemistry. ACS Applied Materials and Interfaces, 12(31), 34941-34948. https://doi.org/10.1021/acsami.0c08794
Heavy alkali treatment of Cu(In,Ga)Se<sub>2</sub> solar cells: surface versus bulk effects
Siebentritt, S., Avancini, E., Bär, M., Bombsch, J., Bourgeois, E., Buecheler, S., … Wolter, M. H. (2020). Heavy alkali treatment of Cu(In,Ga)Se2 solar cells: surface versus bulk effects. Advanced Energy Materials, 10(8), 1903752 (15 pp.). https://doi.org/10.1002/aenm.201903752
Advanced alkali treatments for high‐efficiency Cu(In,Ga)Se<sub>2</sub> solar cells on flexible substrates
Carron, R., Nishiwaki, S., Feurer, T., Hertwig, R., Avancini, E., Löckinger, J., … Tiwari, A. N. (2019). Advanced alkali treatments for high‐efficiency Cu(In,Ga)Se2 solar cells on flexible substrates. Advanced Energy Materials, 9(24), 1900408 (8 pp.). https://doi.org/10.1002/aenm.201900408
Bandgap of thin film solar cell absorbers: a comparison of various determination methods
Carron, R., Andres, C., Avancini, E., Feurer, T., Nishiwaki, S., Pisoni, S., … Tiwari, A. N. (2019). Bandgap of thin film solar cell absorbers: a comparison of various determination methods. Thin Solid Films, 669, 482-486. https://doi.org/10.1016/j.tsf.2018.11.017
RbF post deposition treatment for narrow bandgap Cu(In,Ga)Se<sub>2</sub> solar cells
Feurer, T., Fu, F., Weiss, T. P., Avancini, E., Löckinger, J., Buecheler, S., & Tiwari, A. N. (2019). RbF post deposition treatment for narrow bandgap Cu(In,Ga)Se2 solar cells. Thin Solid Films, 670, 34-40. https://doi.org/10.1016/j.tsf.2018.12.003
The use of HfO&lt;sub&gt;2&lt;/sub&gt; in a point contact concept for front interface passivation of Cu(In,Ga)Se&lt;sub&gt;2&lt;/sub&gt; solar cells
Löckinger, J., Nishiwaki, S., Bissig, B., Degutis, G., Romanyuk, Y. E., Buecheler, S., & Tiwari, A. N. (2019). The use of HfO2 in a point contact concept for front interface passivation of Cu(In,Ga)Se2 solar cells. Solar Energy Materials and Solar Cells, 195, 213-219. https://doi.org/10.1016/j.solmat.2019.03.009
Bulk and surface recombination properties in thin film semiconductors with different surface treatments from time-resolved photoluminescence measurements
Weiss, T. P., Bissig, B., Feurer, T., Carron, R., Buecheler, S., & Tiwari, A. N. (2019). Bulk and surface recombination properties in thin film semiconductors with different surface treatments from time-resolved photoluminescence measurements. Scientific Reports, 9(1), 5385 (13 pp.). https://doi.org/10.1038/s41598-019-41716-x
Time-resolved photoluminescence on double graded Cu(In,Ga)Se<sub>2</sub> – impact of front surface recombination and its temperature dependence
Weiss, T. P., Carron, R., Wolter, M. H., Löckinger, J., Avancini, E., Siebentritt, S., … Tiwari, A. N. (2019). Time-resolved photoluminescence on double graded Cu(In,Ga)Se2 – impact of front surface recombination and its temperature dependence. Science and Technology of Advanced Materials, 20(1), 313-323. https://doi.org/10.1080/14686996.2019.1586583
Voids and compositional inhomogeneities in Cu(In,Ga)Se<sub>2</sub> thin films: evolution during growth and impact on solar cell performance
Avancini, E., Keller, D., Carron, R., Arroyo-Rojas Dasilva, Y., Erni, R., Priebe, A., … Tiwari, A. N. (2018). Voids and compositional inhomogeneities in Cu(In,Ga)Se2 thin films: evolution during growth and impact on solar cell performance. Science and Technology of Advanced Materials, 19(1), 871-882. https://doi.org/10.1080/14686996.2018.1536679
Novel back contact reflector for high efficiency and double-graded Cu(In,Ga)Se<small><sub>2</sub></small> thin-film solar cells
Bissig, B., Carron, R., Greuter, L., Nishiwaki, S., Avancini, E., Andres, C., … Tiwari, A. N. (2018). Novel back contact reflector for high efficiency and double-graded Cu(In,Ga)Se2 thin-film solar cells. Progress in Photovoltaics, 26(11), 894-900. https://doi.org/10.1002/pip.3029
Refractive indices of layers and optical simulations of Cu(In,Ga)Se<sub>2</sub> solar cells
Carron, R., Avancini, E., Feurer, T., Bissig, B., Losio, P. A., Figi, R., … Tiwari, A. N. (2018). Refractive indices of layers and optical simulations of Cu(In,Ga)Se2 solar cells. Science and Technology of Advanced Materials, 19(1), 396-410. https://doi.org/10.1080/14686996.2018.1458579
ALD-Zn<sub><em>x</em></sub>Ti<sub><em>y</em></sub>O as window layer in Cu(In,Ga)Se<sub>2</sub> solar cells</span>
Löckinger, J., Nishiwaki, S., Andres, C., Erni, R., Rossell, M. D., Romanyuk, Y. E., … Tiwari, A. N. (2018). ALD-ZnxTiyO as window layer in Cu(In,Ga)Se2 solar cells. ACS Applied Materials and Interfaces, 10(50), 43603-43609. https://doi.org/10.1021/acsami.8b14490
TiO<sub>2</sub> as intermediate buffer layer in Cu(In,Ga)Se<sub>2</sub> solar cells
Löckinger, J., Nishiwaki, S., Weiss, T. P., Bissig, B., Romanyuk, Y. E., Buecheler, S., & Tiwari, A. N. (2018). TiO2 as intermediate buffer layer in Cu(In,Ga)Se2 solar cells. Solar Energy Materials and Solar Cells, 174, 397-404. https://doi.org/10.1016/j.solmat.2017.09.030
Injection current barrier formation for RbF postdeposition-treated Cu(In,Ga)Se<sub>2</sub>-based solar cells
Weiss, T. P., Nishiwaki, S., Bissig, B., Carron, R., Avancini, E., Löckinger, J., … Tiwari, A. N. (2018). Injection current barrier formation for RbF postdeposition-treated Cu(In,Ga)Se2-based solar cells. Advanced Materials Interfaces, 5(4), 1701007 (10 pp.). https://doi.org/10.1002/admi.201701007
Alkali treatments of Cu(In,Ga)Se<small><sub>2</sub></small> thin‐film absorbers and their impact on transport barriers
Werner, F., Wolter, M. H., Siebentritt, S., Sozzi, G., Di Napoli, S., Menozzi, R., … Buecheler, S. (2018). Alkali treatments of Cu(In,Ga)Se2 thin‐film absorbers and their impact on transport barriers. Progress in Photovoltaics, 26(11), 911-923. https://doi.org/10.1002/pip.3032
Influence of sodium and rubidium postdeposition treatment on the quasi-Fermi level splitting of Cu(In,Ga)Se<sub>2</sub> thin films
Wolter, M. H., Bissig, B., Avancini, E., Carron, R., Buecheler, S., Jackson, P., & Siebentritt, S. (2018). Influence of sodium and rubidium postdeposition treatment on the quasi-Fermi level splitting of Cu(In,Ga)Se2 thin films. IEEE Journal of Photovoltaics, 8(5), 1320-1325. https://doi.org/10.1109/JPHOTOV.2018.2855113
Effects of rubidium fluoride and potassium fluoride postdeposition treatments on Cu(In,Ga)Se<sub>2</sub> thin films and solar cell performance
Avancini, E., Carron, R., Weiss, T. P., Andres, C., Bürki, M., Schreiner, C., … Tiwari, A. N. (2017). Effects of rubidium fluoride and potassium fluoride postdeposition treatments on Cu(In,Ga)Se2 thin films and solar cell performance. Chemistry of Materials, 29(22), 9695-9704. https://doi.org/10.1021/acs.chemmater.7b03412
Impact of compositional grading and overall Cu deficiency on the near-infrared response in Cu(In, Ga) Se<SUB>2</SUB> solar cells
Avancini, E., Carron, R., Bissig, B., Reinhard, P., Menozzi, R., Sozzi, G., … Tiwari, A. N. (2017). Impact of compositional grading and overall Cu deficiency on the near-infrared response in Cu(In, Ga) Se2 solar cells. Progress in Photovoltaics, 25(3), 233-241. https://doi.org/10.1002/pip.2850
Formation of a K—In—Se surface species by NaF/KF postdeposition treatment of CU(In,Ga)Se<SUB>2</SUB> thin-film solar cell absorbers
Handick, E., Reinhard, P., Wilks, R. G., Pianezzi, F., Kunze, T., Kreikemeyer-Lorenzo, D., … Bär, M. (2017). Formation of a K—In—Se surface species by NaF/KF postdeposition treatment of CU(In,Ga)Se2 thin-film solar cell absorbers. ACS Applied Materials and Interfaces, 9(4), 3581-3589. https://doi.org/10.1021/acsami.6b11892