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Challenges and opportunities for an efficiency boost of next generation Cu(In,Ga)Se<sub>2</sub> solar cells: prospects for a paradigm shift
Ochoa, M., Buecheler, S., Tiwari, A. N., & Carron, R. (2020). Challenges and opportunities for an efficiency boost of next generation Cu(In,Ga)Se2 solar cells: prospects for a paradigm shift. Energy and Environmental Science. https://doi.org/10.1039/D0EE00834F
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
Planar perovskite solar cells with long-term stability using ionic liquid additives
Bai, S., Da, P., Li, C., Wang, Z., Yuan, Z., Fu, F., … Snaith, H. J. (2019). Planar perovskite solar cells with long-term stability using ionic liquid additives. Nature, 571(7764), 245-250. https://doi.org/10.1038/s41586-019-1357-2
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
Efficiency improvement of near‐stoichiometric CuInSe<sub>2</sub>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
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
I&lt;sub&gt;2 &lt;/sub&gt;vapor-induced degradation of formamidinium lead iodide based perovskite solar cells under heat–light soaking conditions
Fu, F., Pisoni, S., Jeangros, Q., Sastre-Pellicer, J., Kawecki, M., Paracchino, A., … Buecheler, S. (2019). I2 vapor-induced degradation of formamidinium lead iodide based perovskite solar cells under heat–light soaking conditions. Energy and Environmental Science, 12(10), 3074-3088. https://doi.org/10.1039/C9EE02043H
Review of CdTe&lt;sub&gt;1&lt;/sub&gt;−&lt;sub&gt;&lt;em&gt;x&lt;/em&gt;&lt;/sub&gt;Se&lt;sub&gt;&lt;em&gt;x&lt;/em&gt;&lt;/sub&gt; thin films in solar cell applications
Lingg, M., Buecheler, S., & Tiwari, A. N. (2019). Review of CdTe1−xSex thin films in solar cell applications. Coatings, 9(8), 520 (14 pp.). https://doi.org/10.3390/coatings9080520
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
On the origin of open-circuit voltage losses in flexible &lt;em&gt;n-i-p&lt;/em&gt; perovskite solar cells
Pisoni, S., Stolterfoht, M., Löckinger, J., Moser, T., Jiang, Y., Caprioglio, P., … Tiwari, A. N. (2019). On the origin of open-circuit voltage losses in flexible n-i-p perovskite solar cells. Science and Technology of Advanced Materials, 20(1), 786-795. https://doi.org/10.1080/14686996.2019.1633952
Aluminum-assisted densification of cosputtered lithium garnet electrolyte films for solid-state batteries
Sastre, J., Lin, T. Y., Filippin, A. N., Priebe, A., Avancini, E., Michler, J., … Buecheler, S. (2019). Aluminum-assisted densification of cosputtered lithium garnet electrolyte films for solid-state batteries. ACS Applied Energy Materials, 2(12), 8511-8524. https://doi.org/10.1021/acsaem.9b01387
Overcoming the high-voltage limitations of Li-Ion batteries using a titanium nitride current collector
Wang, S., Kravchyk, K. V., Filippin, A. N., Widmer, R., Tiwari, A. N., Buecheler, S., … Kovalenko, M. V. (2019). Overcoming the high-voltage limitations of Li-Ion batteries using a titanium nitride current collector. ACS Applied Energy Materials, 2(2), 974-978. https://doi.org/10.1021/acsaem.8b01771
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
Single-graded CIGS with narrow bandgap for tandem solar cells
Feurer, T., Bissig, B., Weiss, T. P., Carron, R., Avancini, E., Löckinger, J., … Tiwari, A. N. (2018). Single-graded CIGS with narrow bandgap for tandem solar cells. Science and Technology of Advanced Materials, 19(1), 263-270. https://doi.org/10.1080/14686996.2018.1444317
Compositionally graded absorber for efficient and stable near-infrared-transparent perovskite solar cells
Fu, F., Pisoni, S., Weiss, T. P., Feurer, T., Wäckerlin, A., Fuchs, P., … Buecheler, S. (2018). Compositionally graded absorber for efficient and stable near-infrared-transparent perovskite solar cells. Advanced Science, 5(3), 1700675 (11 pp.). https://doi.org/10.1002/advs.201700675
 

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