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
