Di Dawei, Musselman Kevin P, Li Guangru, Sadhanala Aditya, Ievskaya Yulia, Song Qilei, Tan Zhi-Kuang, Lai May Ling, MacManus-Driscoll Judith L, Greenham Neil C, Friend Richard H
J Phys Chem Lett. 2015 Feb 5;6(3):446-50. doi: 10.1021/jz502615e.
In recent years, organometal halide perovskite materials have attracted significant research interest in the field of optoelectronics. Here, we introduce a simple and low-temperature route for the formation of self-assembled perovskite nanocrystals in a solid organic matrix. We demonstrate that the size and photoluminescence peak of the perovskite nanocrystals can be tuned by varying the concentration of perovskite in the matrix material. The physical origin of the blue shift of the perovskite nanocrystals’ emission compared to its bulk phase is also discussed.
近年来，有机金属卤化物钙钛矿材料在光电子领域引起了广泛的研究兴趣。在此，我们介绍一种在固体有机基质中形成自组装钙钛矿纳米晶体的简单低温方法。我们证明，通过改变基质材料中钙钛矿的浓度，可以调节钙钛矿纳米晶体的尺寸和光致发光峰值。还讨论了钙钛矿纳米晶体发射与其体相相比发生蓝移的物理起源。
