Abstract

Organometallic lead-halide perovskites have evolved as high-quality solution-processable semiconductors, and have been applied in solar cells with power conversion efficiencies recently exceeding 20%. Optically-pumped lasing in these materials was demonstrated, based on high radiative recombination efficiencies and long excited state lifetimes. I will discuss the photo-physical properties of this class of materials, and show how photon recycling affects the radiative recombination mechanism. As a route towards single-mode-lasing, the fabrication of distributed feedback structures with lead-halide perovskites as gain medium will be presented.

© 2016 Optical Society of America

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