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  • (-) Empa Authors = Tiwari, Ayodhya N.
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Unlocking stable multi-electron cycling in NMC811 thin-films between 1.5 – 4.7 V
Aribia, A., Sastre, J., Chen, X., Futscher, M. H., Rumpel, M., Priebe, A., … Romanyuk, Y. E. (2022). Unlocking stable multi-electron cycling in NMC811 thin-films between 1.5 – 4.7 V. Advanced Energy Materials, 12(40), 2201750 (8 pp.). https://doi.org/10.1002/aenm.202201750
High-performance flexible all-perovskite tandem solar cells with reduced V<sub>OC</sub>-deficit in wide-bandgap subcell
Lai, H., Luo, J., Zwirner, Y., Olthof, S., Wieczorek, A., Ye, F., … Fu, F. (2022). High-performance flexible all-perovskite tandem solar cells with reduced VOC-deficit in wide-bandgap subcell. Advanced Energy Materials, 12(45), 2202438 (12 pp.). https://doi.org/10.1002/aenm.202202438
Charge carrier lifetime fluctuations and performance evaluation of Cu(In,Ga)Se<sub>2</sub> absorbers via time-resolved-photoluminescence microscopy
Ochoa, M., Yang, S. C., Nishiwaki, S., Tiwari, A. N., & Carron, R. (2022). Charge carrier lifetime fluctuations and performance evaluation of Cu(In,Ga)Se2 absorbers via time-resolved-photoluminescence microscopy. Advanced Energy Materials, 12(3), 2102800 (12 pp.). https://doi.org/10.1002/aenm.202102800
Insights from transient absorption spectroscopy into electron dynamics along the Ga-Gradient in Cu(In,Ga)Se<sub>2</sub> solar cells
Chang, Y. H., Carron, R., Ochoa, M., Bozal-Ginesta, C., Tiwari, A. N., Durrant, J. R., & Steier, L. (2021). Insights from transient absorption spectroscopy into electron dynamics along the Ga-Gradient in Cu(In,Ga)Se2 solar cells. Advanced Energy Materials, 11(8), 2003446 (10 pp.). https://doi.org/10.1002/aenm.202003446
Heavy alkali treatment of Cu(In,Ga)Se&lt;sub&gt;2&lt;/sub&gt; 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&lt;sub&gt;2&lt;/sub&gt; 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
Efficiency improvement of near‐stoichiometric CuInSe&lt;sub&gt;2&lt;/sub&gt;Solar cells for application in tandem devices
Feurer, T., Carron, R., Torres Sevilla, G., Fu, F., Pisoni, S., Romanyuk, Y. E., … Tiwari, A. N. (2019). Efficiency improvement of near‐stoichiometric CuInSe2Solar cells for application in tandem devices. Advanced Energy Materials, 9(35), 1901428 (6 pp.). https://doi.org/10.1002/aenm.201901428
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
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
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
Targeting ideal dual-absorber tandem water splitting using perovskite photovoltaics and CuIn<SUB>x</SUB>Ga<SUB>1-x</SUB>Se<SUB>2</SUB> photocathodes
Luo, J., Li, Z., Nishiwaki, S., Schreier, M., Mayer, M. T., Cendula, P., … Grätzel, M. (2015). Targeting ideal dual-absorber tandem water splitting using perovskite photovoltaics and CuInxGa1-xSe2 photocathodes. Advanced Energy Materials, 5(24), 1501520 (8 pp.). https://doi.org/10.1002/aenm.201501520
Tailoring impurity distribution in polycrystalline CdTe solar cells for enhanced minority carrier lifetime
Kranz, L., Gretener, C., Perrenoud, J., Jaeger, D., Gerstl, S. S. A., Schmitt, R., … Tiwari, A. N. (2014). Tailoring impurity distribution in polycrystalline CdTe solar cells for enhanced minority carrier lifetime. Advanced Energy Materials, 4(7), 1301400 (10 pp.). https://doi.org/10.1002/aenm.201301400