Luminescence properties of organic-inorganic layered perovskite-type compounds under vacuum ultraviolet irradiation

被引：10

作者：

Kawano, Naoki ^{[1
]}

Koshimizu, Masanori ^{[2
]}

Okada, Go ^{[1
]}

Fujimoto, Yutaka ^{[2
]}

Kawaguchi, Noriaki ^{[1
]}

Yanagida, Takayuki ^{[1
]}

Asai, Keisuke ^{[2
]}

机构：

[1] Nara Inst Sci & Technol, Grad Sch Mat Sci, Ikoma, Nara 6300192, Japan

[2] Tohoku Univ, Grad Sch Engn, Dept Appl Chem, Sendai, Miyagi 9808579, Japan

来源：

JAPANESE JOURNAL OF APPLIED PHYSICS | 2018年 / 57卷 / 02期

基金：

日本科学技术振兴机构;

关键词：

WELL-WIDTH DEPENDENCE; OPTICAL-PROPERTIES; LIFETIME; DETECTOR; BENZENE;

D O I：

10.7567/JJAP.57.02CA03

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We investigated the luminescence properties of organic-inorganic layered perovskite-type compounds under vacuum ultraviolet irradiation. A crystal of (C6H5C2H4NH3)(2)PbBr4 was fabricated by the poor-solvent diffusion method. Exciton emissions from the inorganic layer were observed at 410nm under ultraviolet irradiation (excitation wavelengths: 180 and 300 nm). The rise time behavior observed in the luminescence decay curve showed no difference among the excitation wavelengths of 60-300 nm. In addition, no excitation peak of benzene such as an intense peak at 180nm ((1)A(1g) -> E-1(1u)) in the vacuum ultraviolet region was observed in the excitation spectra measured while monitoring the exciton emissions from the inorganic layer. These results indicate that the effect of energy transfer from the organic layer to the inorganic layer has negligible contribution to the luminescence properties of organic-inorganic layered perovskite-type compounds. (C) 2018 The Japan Society of Applied Physics

引用

页数：4

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