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Nitride semiconductors for energy conversion in photonic applications

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Abstract

Nitride semiconductors are interesting materials for solar energy energy conversion because they have better solar absorption and electrical transport properties than oxides or fluorides, as well as better scalability than pnictides or chalcogenides [1]. In this presentation, I will describe a few examples of novel nitride semiconductors recently studied in our group for such photonic applications. The specific cases include ZnSnN2 for photovoltaic electricity generation [2], Sn3N4 and related alloys for photoelectrochemical water splitting [3], as well as defect tolerant binary (e.g. Cu3N [4,5]) and ternary (e.g. CuTaN2 [6,7]) copper nitrides for solar cells. The current challenges and promising directions in the field will be discussed. This was supported by U.S. Department of Energy, under contract DE-AC36-08GO28308 to NREL

© 2016 Optical Society of America

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