Halide perovskites are a promising platform for the construction of nonlinear optical materials in light of their structural diversity, high hyperpolarizability, and bandgap tunability. In article number 1806736, Jialiang Xu, Xian‐He Bu, and co‐workers review the current state of the art in purely inorganic and in organic–inorganic‐hybrid halide perovskites as nonlinear optical materials and discuss their potential for various nonlinear photonic applications.

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非线性光学钙钛矿：用于非线性光学的卤化物钙钛矿（Adv。Mater。3/2020）

卤化物钙钛矿因其结构多样性，高超极化性和带隙可调性而成为构造非线性光学材料的有前途的平台。在1806736号文章中，徐嘉亮，卜宪和及其同事回顾了纯无机和有机-无机-混合卤化物钙钛矿作为非线性光学材料的最新技术，并讨论了它们在各种非线性光子应用中的潜力。