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铁系金属氯化物对全无机铅卤钙钛矿纳米晶发光性质的影响

Influence of Ferrous Metal Chloride on Photoluminescence Properties of Fully-Inorganic Lead Halide Perovskite Nanocrystals

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摘要

以铁系金属氯化物为氯源,用室温过饱和结晶法制备CsPbCl3纳米晶(NCs),其中氯离子与Cs+及Pb2+结合形成了CsPbCl3纳米晶。研究发现,铁系离子Fe3+、Fe2+、Co2+和Ni2+并没有完全猝灭所得NCs的荧光。所得NCs在365 nm紫外光激发下发出色纯度高的纯正蓝色荧光,量子效率稍高于以氯化铅为氯源所得的NCs的量子效率。

Abstract

CsPbCl3 nanocrystals (NCs) are prepared by the supersaturated recrystallization process at room temperature using ferrous metal chlorides as the chlorine sources. The Cl- ions react with Cs+ and Pb2+ to form CsPbCl3 NCs. The photoluminescence of the as-obtained NCs is not completely quenched by adding Fe3+, Fe2+, Co2+, and Ni2+. However, the as-synthesized NCs emit pure blue photoluminescence excited by 365 nm ultraviolet light. Especially, the quantum efficiency is slightly higher than that of NCs using lead chloride as the chlorine source.

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中图分类号:O782

DOI:10.3788/lop56.101602

所属栏目:材料

基金项目:国家自然科学基金(51872129)、国家自然科学基金联合重大研究计划(91544220)、江苏省高等学校大学生创新创业训练计划(201811463008Z)

收稿日期:2018-11-27

修改稿日期:2018-12-02

网络出版日期:2018-12-13

作者单位    点击查看

胡佳佩:江苏理工学院化学与环境工程学院, 江苏 常州 213001
吴超:江苏理工学院化学与环境工程学院, 江苏 常州 213001
翁俊旗:江苏理工学院化学与环境工程学院, 江苏 常州 213001
王一卉:江苏理工学院化学与环境工程学院, 江苏 常州 213001
贺香红:江苏理工学院化学与环境工程学院, 江苏 常州 213001

联系人作者:贺香红(hexh@jsut.edu.cn)

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引用该论文

Hu Jiapei,Wu Chao,Weng Junqi,Wang Yihui,He Xianghong. Influence of Ferrous Metal Chloride on Photoluminescence Properties of Fully-Inorganic Lead Halide Perovskite Nanocrystals[J]. Laser & Optoelectronics Progress, 2019, 56(10): 101602

胡佳佩,吴超,翁俊旗,王一卉,贺香红. 铁系金属氯化物对全无机铅卤钙钛矿纳米晶发光性质的影响[J]. 激光与光电子学进展, 2019, 56(10): 101602

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