低成本溶液法制备厘米级Cs3Cu2I5单晶及其闪烁发光性能

低成本溶液法制备厘米级Cs₃Cu₂I₅单晶及其闪烁发光性能

徐婷婷, 李云云, 王谦, 王京康, 任国浩, 孙大志, 吴云涛

Centimeter-sized Cs₃Cu₂I₅ Single Crystal: Synthesized by Low-cost Solution Method and Optical and Scintillation Properties

XU Tingting, LI Yunyun, WANG Qian, WANG Jingkang, REN Guohao, SUN Dazhi, WU Yuntao

图2 Cs₃Cu₂I₅晶体照片和结构

Fig. 2 Photographs and structures of Cs₃Cu₂I₅crystals
(a-b) Photographs of millimeter-sized rod-like Cs₃Cu₂I₅crystals and centimeter-sized bulk Cs₃Cu₂I₅crystals grown by solution method under sunlight and 254 nm ultraviolet light; (c) Photographs of Cs₃Cu₂I₅ crystals grown by solution method for comparative study; (d) Photographs of Cs₃Cu₂I₅ crystals grown by melt method for comparative study; (e) Structure of [Cu₂I₅]^3- where blue and purple spheres represent Cu and I atoms, respectively; (f) X-ray powder diffraction (XRD) pattern of crystals grown by solution method