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1,2(
), 李云云2(), 王谦2,3, 王京康2,4, 任国浩2, 孙大志1, 吴云涛2()
), 李云云2(), 王谦2,3, 王京康2,4, 任国浩2, 孙大志1, 吴云涛2()
Centimeter-sized Cs3Cu2I5 Single Crystal: Synthesized by Low-cost Solution Method and Optical and Scintillation Properties
XU Tingting1,2(), LI Yunyun2(), WANG Qian2,3, WANG Jingkang2,4, REN Guohao2, SUN Dazhi1, WU Yuntao2()
), LI Yunyun2(), WANG Qian2,3, WANG Jingkang2,4, REN Guohao2, SUN Dazhi1, WU Yuntao2()
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
