Efficient near-infrared emission from neodymium by broadband sensitization of bismuth in zeolites

被引：3

作者：

Bai, Zhenhua ^{[1
]}

Fujii, Minoru ^{[1
]}

Mori, Yuki ^{[2
]}

Miwa, Yuji ^{[1
]}

Mizuhata, Minoru ^{[2
]}

Sun, Hong-Tao ^{[3
]}

Hayashi, Shinji ^{[1
]}

机构：

[1] Kobe Univ, Dept Elect & Elect Engn, Grad Sch Engn, Nada Ku, Kobe, Hyogo 6578501, Japan

[2] Kobe Univ, Dept Chem Sci & Engn, Grad Sch Engn, Nada Ku, Kobe, Hyogo 6578501, Japan

[3] NIMS, ICYS, Tsukuba, Ibaraki 3050047, Japan

来源：

OPTICS LETTERS | 2011年 / 36卷 / 06期

关键词：

LUMINESCENCE;

D O I：

10.1364/OL.36.001017

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Nd-Bi codoped zeolites were prepared by an ion-exchange process, and the optical properties were investigated by photoluminescence (PL) and PL excitation spectra, and decay time measurements. The results show that the NIR emission of Nd3+ ions is significantly enhanced by the introduction of bismuth in codoped samples, and the lifetime reaches 246 mu s. It is also observed that NIR-active Bi acts as a sensitizer of Nd3+ ions. The energy transfer efficiency is also estimated. The peculiar optical properties make Nd-Bi codoped zeolites promising for potential application in biological probes. (C) 2011 Optical Society of America

引用

页码：1017 / 1019

页数：3

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