Dr. Miguel Angel Torre Cachafeiro

Projects

• Interface tailoring and modelling for perovskite solar cells / Team member / ongoing
• Defect Engineering, Advanced Modelling and Characterization for Next Generation Opto-Electronic-Ionic Devices / Team member / ongoing
• Voltage and quantum efficiency losses in indoor organic photovoltaic devices / Team member / completed

Publications

Articles in scientific journal, peer-reviewed

• Hong, Y.-K., Hwang, G., Ju, S.-Y., Torre Cachafeiro, M. A., Tress, W., Yang, S., & Kim, H.-S. (2026). Control of lattice strain in α‐FAPbI3 film. Small Structures, 7(2), e202500664. https://doi.org/10.1002/sstr.202500664
• Sachsenweger, T., Torre Cachafeiro, M. A., & Tress, W. (2026). ChargeFabrica : a python-based finite difference multidimensional electro-ionic drift diffusion simulator applied to mesoporous perovskite solar cells. Materials Futures, 5(2), 25602. https://doi.org/10.1088/2752-5724/ae27e9
• Torre Cachafeiro, M., Worsley, C. A., Ji, F., Watson, T. M., & Tress, W. (2026). Inverted J-V hysteresis in perovskite solar cells : insights from photovoltaic quantum efficiency. ACS Energy Letters. https://doi.org/10.1021/acsenergylett.5c04035
• Blätte, D., Günther, M., Ponseca Jr., C. S., Weis, A., Hooijer, R., Quincke, L., T. Cachafeiro, M. A., Tress, W., Perea, J. D., Leon, S., Shuaib, A., Chabera, P., Pullerits, T., Bein, T., & Ameri, T. (2026). Elucidating the origin of open‐circuit voltage in ternary organic solar cells with a nonfullerene and a fullerene acceptor. InfoMat. https://doi.org/10.1002/inf2.70109
• Kumar, R., Rakheja, B., Lamminen, N., Fasulo, F., Torre Cachafeiro, M. A., Hanmandlu, C., Grandhi, G. K., Bag, M., Muñoz‐García, A. B., Boschloo, G., Tress, W., Pavone, M., Vivo, P., & Johansson, E. M. J. (2025). Mechanistic insights into ionic conduction in lead halide perovskites and perovskite‐inspired materials. Advanced Energy Materials, 15(45), e03331. https://doi.org/10.1002/aenm.202503331
• Torre Cachafeiro, M. A., & Tress, W. (2025). Ionic losses and gains in perovskite solar cells : impact on efficiency and stability. ACS Energy Letters, 10(10), 4849–4855. https://doi.org/10.1021/acsenergylett.5c02435
• Torre Cachafeiro, M. A., Narbey, S., Ruhstaller, B., Nüesch, F., & Tress, W. (2025). Visualising ionic screening in perovskite solar cells : a bumpy ride along the J-V curve. EES Solar, 1(5), 762–774. https://doi.org/10.1039/d5el00133a
• Ebadi, F., Meraji, K., Torre Cachafeiro, M. A., Wolf, F., Sirtl, M. T., Bein, T., & Tress, W. (2025). Effects of tail states in Cs2AgBiBr6 double perovskites on solar cell performance : a temperature-dependent study of photovoltaic external quantum efficiency, open-circuit voltage, and luminescence. Advanced Energy Materials, 15(30), 2500758. https://doi.org/10.1002/aenm.202500758
• Torre Cachafeiro, M. A., Comi, E., Parayil Shaji, S., Narbey, S., Jenatsch, S., Knapp, E., & Tress, W. (2024). Ion migration in mesoscopic perovskite solar cells : effects on electroluminescence, open circuit voltage, and photovoltaic quantum efficiency. Advanced Energy Materials, 15(5), 2403850. https://doi.org/10.1002/aenm.202403850
• Schiller, A., Jenatsch, S., Blülle, B., Torre Cachafeiro, M. A., Ebadi Garjan, F., Kabir, N., Othman, M., Wolff, C. M., Hessler-Wyser, A., Ballif, C., Tress, W., & Ruhstaller, B. (2024). Assessing the influence of illumination on ion conductivity in perovskite solar cells. The Journal of Physical Chemistry Letters, 15(45), 11252–11258. https://doi.org/10.1021/acs.jpclett.4c02403
• Torre Cachafeiro, M. A., Kumawat, N. K., Gao, F., & Tress, W. (2024). Pulsed operation of perovskite LEDs : a study on the role of mobile ions. National Science Review, 12(5), nwae128. https://doi.org/10.1093/nsr/nwae128

Written conference contributions, peer-reviewed

Ebadi, F., Meraji, K., Torre Cachafeiro, M. A., Wolf, F., Sirtl, M. T., Bein, T., & Tress, W. (2025, December 9). Temperature-dependent study of EQE, VOC, and luminescence in Cs₂AgBiBr₆ solar cells. 10th International Conference on next Generation Solar Energy (NGSE), Erlangen-Nuremberg, Germany, 9-10 December 2025.

Oral conference contributions and abstracts

• Tress, W., & Torre Cachafeiro, M. A. (2025, July 16). Insights into ion-modulated charge collection in perovskite solar cells using spectrally resolved measurements [Conference presentation]. https://doi.org/10.29363/nanoge.perfunpro.2025.023
• Torre Cachafeiro, M., Narbey, S., Ruhstaller, B., Nüesch, F., & Tress, W. (2025, April 24). Ionic screening and its impact on J-V curves in carbon-based perovskite solar cells. Proceedings of International Conference on Perovskite Thin Film Photovoltaics and Perovskite Photonics and Optoelectronics (NIPHO25). https://doi.org/10.29363/nanoge.nipho.2025.004
• Braga, D., Comi, E. L., Knapp, E., Jenatsch, S., Battaglia, M., Torre, M., Kirsch, C., & Ruhstaller, B. (2025, February 17). Investigating inhomogeneities and turn-on dynamics in carbon-based perovskite solar cells using advanced imaging and simulation techniques. Proceedings of the International Conference on Hybrid and Organic Photovoltaics. https://doi.org/10.29363/nanoge.hopv.2025.025
• Schiller, A., Ruhstaller, B., Jenatsch, S., Torre Cachafeiro, M. A., Ebadi, F., Kabir, N., Blülle, B., Wolff, C. M., Hessler-Wyser, A., Ballif, C., Tress, W., & Othman, M. (2024, December 16). Assessing the influence of illumination on ion conductivity in perovskite solar cells. Proceedings of the MATSUS Spring 2025 Conference. https://doi.org/10.29363/nanoge.matsusspring.2025.418
• Torre Cachafeiro, M. A., Comi, E., Parayil Shaji, S., Narbey, S., Jenatsch, S., & Tress, W. (2024, September 2). Visualizing ionic field screening in perovskite solar cells via photovoltaic quantum efficiency. International Conference on Simulation of Organic Electronics and Photovoltaics (SimOEP), Winterthur, Switzerland, 2-4 September 2024.
• Comi, E., Jenatsch, S., Blülle, B., Battaglia, M., Torre Cachafeiro, M. A., Kirsch, C., Hiestand, R., Aeberhard, U., Ruhstaller, B., & Knapp, E. (2023). Investigation of time and location dependent variations in electroluminescence images of perovskite solar cells [Conference presentation]. Proceedings of the 40th European Photovoltaic Solar Energy Conference and Exhibition, 020077–020001.
• Torre Cachafeiro, M. A., Kumar Kumawat, N., Gao, F., & Tress, W. (2022, September 8). Simulating the transient luminescence of perovskite light-emitting diodes under pulsed operation. 8th International Conference on Simulation of Organic Electronics and Photovoltaics (SimOEP), Winterthur, Switzerland, 7-9 September 2022.

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