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3 Cs3Cu2I5晶体的光学性能

Fig. 3 Optical properties of Cs3Cu2I5 crystals (a) Absorption spectra of Cs3Cu2I5 crystals grown by solution method; (b) Transmittance spectra of Cs3Cu2I5 crystals grown by solution method; (c) Photoluminescence excitation (PLE) and emission (PL) spectra of Cs3Cu2I5 crystals grown by solution method; (d) PL and PLE contour mappings of Cs3Cu2I5 crystals grown by solution method; (e) Photoluminescence decay profiles of Cs3Cu2I5 crystals grown by solution method when λex=308 nm and λem=448 nm excited by nanoLED