Near-infrared quantum cutting in transparent nanostructured glass ceramics

被引：180

作者：

Chen, Daqin ^{[1
]}

Wang, Yuansheng ^{[1
]}

Yu, Yunlong ^{[1
]}

Huang, Ping ^{[1
]}

Weng, Fangyi ^{[1
]}

机构：

[1] Chinese Acad Sci, State Key Lab Struct Chem, Fujian Inst Res Struct Matter, Fuzhou 350002, Peoples R China

来源：

OPTICS LETTERS | 2008年 / 33卷 / 16期

关键词：

D O I：

10.1364/OL.33.001884

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Quantum cutting downconversion involving the emission of two near-infrared photons for each blue photon absorbed is realized in transparent glass ceramics with embedded Pr3+/Yb3+: beta-YF3 nanocrystals. On excitation of Pr3+ ions with a visible photon at 482 nm, Yb3+ ions emit two near-infrared photons at 976 nm through an efficient cooperative energy transfer from Pr3+ to Yb3+, with optimal quantum efficiency close to 200%. The development of the near-infrared quantum cutting transparent glass ceramic could open a route to enhance the energy efficiency of the silicon solar cell by converting one blue solar photon to two near-infrared ones. (C) 2008 Optical Society of America.

引用

页码：1884 / 1886

页数：3

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