Wide and ultra-wide bandgap oxides: where paradigm-shift photovoltaics meets transparent power electronics

Amador Pérez-Tomás; Ekaterine Chikoidze; Michael R. Jennings; Stephen A. O. Russell; Ferechteh H. Teherani; Philippe Bove; Eric V. Sandana; David J. Rogers

doi:10.1117/12.2302576

6 March 2018 Wide and ultra-wide bandgap oxides: where paradigm-shift photovoltaics meets transparent power electronics

Amador Pérez-Tomás, Ekaterine Chikoidze, Michael R. Jennings, Stephen A. O. Russell, Ferechteh H. Teherani, Philippe Bove, Eric V. Sandana, David J. Rogers

Author Affiliations +

Proceedings Volume 10533, Oxide-based Materials and Devices IX; 105331Q (2018) https://doi.org/10.1117/12.2302576
Event: SPIE OPTO, 2018, San Francisco, California, United States

Abstract

Oxides represent the largest family of wide bandgap (WBG) semiconductors and also offer a huge potential range of complementary magnetic and electronic properties, such as ferromagnetism, ferroelectricity, antiferroelectricity and high-temperature superconductivity. Here, we review our integration of WBG and ultra WBG semiconductor oxides into different solar cells architectures where they have the role of transparent conductive electrodes and/or barriers bringing unique functionalities into the structure such above bandgap voltages or switchable interfaces. We also give an overview of the state-of-the-art and perspectives for the emerging semiconductor β- Ga₂O₃, which is widely forecast to herald the next generation of power electronic converters because of the combination of an UWBG with the capacity to conduct electricity. This opens unprecedented possibilities for the monolithic integration in solar cells of both self-powered logic and power electronics functionalities. Therefore, WBG and UWBG oxides have enormous promise to become key enabling technologies for the zero emissions smart integration of the internet of things.

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Amador Pérez-Tomás, Ekaterine Chikoidze, Michael R. Jennings, Stephen A. O. Russell, Ferechteh H. Teherani, Philippe Bove, Eric V. Sandana, and David J. Rogers "Wide and ultra-wide bandgap oxides: where paradigm-shift photovoltaics meets transparent power electronics", Proc. SPIE 10533, Oxide-based Materials and Devices IX, 105331Q (6 March 2018); https://doi.org/10.1117/12.2302576

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