Luo Jian-Bin, Wei Jun-Hua, Zhang Zhi-Zhong, He Zi-Lin, Kuang Dai-Bin
MOE Key Laboratory of Bioinorganic and Synthetic Chemistry, Lehn Institute of Functional Materials, School of Chemistry, Sun Yat-sen University, Guangzhou, 510275, P. R. China.
Angew Chem Int Ed Engl. 2023 Feb 6;62(7):e202216504. doi: 10.1002/anie.202216504. Epub 2023 Jan 11.
Glass is a group of materials with appealing qualities, including simplicity in fabrication, durability, and high transparency, and they play a crucial role in the optics field. In this paper, a new organic-inorganic metal halide luminescent glass exhibiting >78 % transmittance at 506-800 nm range together with a high photoluminescence quantum yield (PLQY) of 28.5 % is reported through a low-temperature melt-quenching approach of pre-synthesized (HTPP) MnBr (HTPP=hexyltriphenylphosphonium) single crystal. Temperature-dependent X-ray diffraction, polarizing microscopy, and molecular dynamics simulations were combined to investigate the glass-crystal interconversion process, revealing the disordered nature of the glassy state. Benefiting from the transparent nature, (HTPP) MnBr glass yields an outstanding spatial resolution of 10 lp mm for X-ray imaging. The superb optical properties and facility of large-scale fabrication distinguish the organic-inorganic metal halide glass as a highly promising class of materials for optical devices.
玻璃是一类具有吸引人特性的材料，包括制造简单、耐用和高透明度，它们在光学领域发挥着关键作用。本文通过对预合成的（HTPP）MnBr（HTPP = 己基三苯基溴化鏻）单晶采用低温熔融淬火法，报道了一种新型有机 - 无机金属卤化物发光玻璃，其在506 - 800 nm范围内的透光率大于78%，同时具有28.5%的高光致发光量子产率（PLQY）。结合变温X射线衍射、偏光显微镜和分子动力学模拟来研究玻璃 - 晶体相互转化过程，揭示了玻璃态的无序性质。得益于其透明特性，（HTPP）MnBr玻璃在X射线成像中产生了10 lp mm的出色空间分辨率。优异的光学性能和大规模制造的便利性使有机 - 无机金属卤化物玻璃成为一类极具前景的光学器件材料。
