Growth and Characterization of All-inorganic Perovskite CsPbBr3 Crystal by a Traveling Zone Melting Method

被引：6

作者：

Xu Jia-Yue ^{[1
]}

Liang Xiao-Xiao ^{[1
]}

Jin Min ^{[2
]}

Zeng Hai-Bo ^{[1
,3
]}

Kimura, Hideo ^{[4
]}

Hu Hao-Yang ^{[2
]}

Shao He-Zhu ^{[2
]}

Shen Hui ^{[1
]}

Tian Tian ^{[1
]}

Li Hai-Xia ^{[1
]}

机构：

[1] Shanghai Inst Technol, Inst Crystal Growth, Sch Mat Sci & Engn, Shanghai 201418, Peoples R China

[2] Shanghai Dianji Univ, Coll Mat, Shanghai 201306, Peoples R China

[3] Nanjing Univ Sci & Technol, Coll Mat Sci & Engn, Inst Optoelect & Nanomat, Nanjing 210094, Jiangsu, Peoples R China

[4] Natl Inst Mat Sci, 1-2-1 Sengen, Tsukuba, Ibaraki 3050047, Japan

来源：

JOURNAL OF INORGANIC MATERIALS | 2018年 / 33卷 / 11期

基金：

中国国家自然科学基金;

关键词：

traveling zone melting method; CsPbBr3; crystal; transmittance; band gap; NANOCRYSTALS;

D O I：

10.15541/jim20180234

中图分类号：

TQ174 [陶瓷工业]; TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

A self-designed traveling zone melting method was employed to fabricate perovskite CsPbBr3 crystals, which is helpful for impurities removing and moisture excluding. A large-size CsPbBr3 crystal with a dimension of phi 25 mmx 60 mm is successfully obtained. The as-grown crystal shows orange color and displays an excellent transmittance of 78.6% in the range of 600 nm - 2000 nm wavelength. It is revealed by DSC analysis that there is phase transition at 88.1 degrees C and 131.25 degrees C, respectively. The band gap E-g of the crystal is calculated to be 2.25 eV. The above results prove that the traveling zone melting method is indeed a potential approach for large size and high quality CsPbBr3 crystal preparation.

引用

页码：1253 / 1258

页数：6

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