Single-source flash sublimation of metal-halide semiconductors

Daniel M. Kroupa; Matthew J. Crane; Daniel R. Gamelin

doi:10.1117/12.2528622

16 September 2019 Single-source flash sublimation of metal-halide semiconductors

Daniel M. Kroupa, Matthew J. Crane, Daniel R. Gamelin

Proceedings Volume 11084, Physical Chemistry of Semiconductor Materials and Interfaces XVIII; 110840J (2019) https://doi.org/10.1117/12.2528622
Event: SPIE Nanoscience + Engineering, 2019, San Diego, California, United States

Abstract

Metal-halide semiconductors are an attractive class of materials for advanced photonic and optoelectronic applications including photovoltaics, photodetection, and photon sources. Much of the focus in this research area has been on solution processing of these materials, but solvent-free methods would be desirable for many applications. Recently, we reported the development of methods to synthesize compositionally complex metal-halide semiconductors and process them into high-quality thin films via single-source flash sublimation for conformal, large-area coatings. Here, we extend this approach to explore the rich compositional space of metal-halide semiconductors, including hybrid perovskites and allinorganic perovskite and elpasolite materials. These results demonstrate a promising approach for advanced materials discovery and a pathway toward realizing high-throughput vapor processing of metal-halide semiconductor coatings for next-generation photonic and optoelectronic applications.

Citation Download Citation

Daniel M. Kroupa, Matthew J. Crane, and Daniel R. Gamelin "Single-source flash sublimation of metal-halide semiconductors", Proc. SPIE 11084, Physical Chemistry of Semiconductor Materials and Interfaces XVIII, 110840J (16 September 2019); https://doi.org/10.1117/12.2528622

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