Controlling the Phase Segregation in Mixed Halide Perovskites through Nanocrystal Size

By Gualdr
Published in ACS Energy Letters

Abstract

Mixed halide perovskites are one of the promising candidates in developing solar cells and light-emitting diodes (LEDs), among other applications, because of their tunable optical properties. Nonetheless, photoinduced phase segregation, by formation of segregated Br-rich and I-rich domains, limits the overall applicability. We tracked the phase segregation with increasing crystalline size of CsPbBr3

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