Strong reddish-orange light emission from stress-activated Srn+1SnnO3n+1:Sm3+ (n=1, 2, ∞) with perovskite-related structures

被引：108

作者：

Kamimura, Sunao ^{[1
]}

Yamada, Hiroshi ^{[1
,2
]}

Xu, Chao-Nan ^{[1
,2
,3
]}

机构：

[1] Kyushu Univ, Interdisciplinary Grad Sch Engn Sci, Fukuoka 8168580, Japan

[2] Natl Inst Adv Ind Sci & Technol, Saga 8410052, Japan

[3] Int Inst Carbon Neutral Energy Res I2CNER, Fukuoka 8190395, Japan

来源：

APPLIED PHYSICS LETTERS | 2012年 / 101卷 / 09期

关键词：

MECHANOLUMINESCENCE; LUMINESCENCE; PHOSPHOR; OXIDE; HOLE;

D O I：

10.1063/1.4749807

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We report mechanoluminescence (ML) in Sm3+-doped Srn+1SnnO3n+1 (n = 1, 2, infinity) phosphors with perovskite-related structures, which consist of layered units depending on the number of n. The intensity of the ML was strongly dependent on the layered structure; the ML intensity for Sr3Sn2O7:Sm3+ was three orders of magnitude higher than that for SrSnO3:Sm3+. The charge transfer state (CTS) band in the photoluminescence excitation spectra was observed for Sr3Sn2O7:Sm3+ and Sr2SnO4:Sm3+, indicating that the efficient energy transfers from the host to the Sm3+ ions. The formation of CTS and the layered structure may be responsible for this ML enhancement. (C) 2012 American Institute of Physics. [http://dx.doi.org/10.1063/1.4749807]

引用

页数：4

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