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4 Cs₃Cu₂I₅晶体的闪烁性能

Fig. 4 Scintillation properties of Cs₃Cu₂I₅ crystals
(a) X-ray excited RL spectra of Cs₃Cu₂I₅ crystals grown by solution method and melt method with BGO as reference sample; (b) X-ray afterglow curves of Cs₃Cu₂I₅ grown by solution method and melt method compared with that of BGO and CsI:Tl; (c) Thermoluminescence glow curves of Cs₃Cu₂I₅ grown by solution method and melt method compared with that of CsI:Tl; (d) Pulse height spectra of Cs₃Cu₂I₅ grown by solution method and melt method under ¹³⁷Cs gamma-ray radiation as well as that of BGO; (e) Scintillation decay profiles of Cs₃Cu₂I₅ grown by solution method and melt method under ¹³⁷Cs gamma-ray radiation===Colorful figures are available on website