作者:Jie Zhang、Xin Wang、Wen-Qi Wang、Xiangyuan Deng、Cheng-Yang Yue、Xiao-Wu Lei、Zhongliang Gong
DOI:10.1021/acs.inorgchem.3c03924
日期:2024.2.5
organic–inorganic hybrid metal halides (OIMHs), owing to their exceptional optical and scintillation properties. Among them, zero-dimensional (0D) low-toxic manganese-based scintillators have garnered significant interest due to their exceptional optical transparency and elevated photoluminescence quantum yields (PLQYs), making them promising for colorful light-emitting diodes and X-ray imaging applications. In
由于其卓越的光学和闪烁特性,光电应用日益增长的需求推动了有机-无机杂化金属卤化物(OIMH)的发展。其中,零维(0D)低毒锰基闪烁体由于其卓越的光学透明度和较高的光致发光量子产率(PLQY)而引起了人们的极大兴趣,使其在彩色发光二极管和X射线成像应用中具有广阔的前景。在这项研究中,两个OIMH单晶为(Br-PrTPP) 2 MnBr 4 (Br-PrTPP = (3-溴丙基)三苯基鏻)和(Br-BuTPP) 2 MnBr 4 (Br-BuTPP = (4-溴丁基)三苯基鏻)通过简单的饱和结晶方法制备。受益于四面体配位的[MnBr 4 ] 2-多面体,由于Mn 2+的d-d电子跃迁,它们都表现出强烈的绿光发射,峰值在517 nm,PLQY分别接近19.33和86.85%。此外,得益于高光学透明度和卓越的发光特性,这些卤化锰还表现出优异的辐射发光性能,最高光产量高达 68,000 个光子 MeV