Photoswitching Bulk Quadratic Nonlinear-Optical Properties with Record Contrast in a Photochromic Semiconductor.
Cai SunChen YangPei-Xin LiMing-Sheng WangGuo-Cong GuoPublished in: Inorganic chemistry (2021)
A high contrast of ∼67 times, exceeding those of all known photoswitching bulk quadratic nonlinear-optical materials, has been realized in a photochromic semiconductor, by the strategy of increasing electron-transfer efficiency and self-absorption.