Strong Ultra-Broadband Near-infrared Photoluminescence from Bismuth-Embedded Zeolites and Their Derivatives

被引:95
|
作者
Sun, Hong-Tao [1 ]
Hosokawa, Akinobu [2 ]
Miwa, Yuji [1 ]
Shimaoka, Fumiaki [1 ]
Fujii, Minoru [1 ]
Mizuhata, Minoru [2 ]
Hayashi, Shinji [1 ]
Deki, Shigehito [2 ]
机构
[1] Kobe Univ, Dept Elect & Elect Engn, Kobe, Hyogo 6578501, Japan
[2] Kobe Univ, Dept Chem Sci & Engn, Kobe, Hyogo 6578501, Japan
基金
日本学术振兴会;
关键词
LOWER OXIDATION STATES; NANOCRYSTALLINE ZEOLITES; INTRAZEOLITIC MIGRATION; THERMAL TREATMENTS; MOLECULAR-SIEVE; DOPED GLASSES; SILICA GLASS; LUMINESCENCE; EMISSION; FILMS;
D O I
10.1002/adma.200900573
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Zeolites with embedded bismuth compounds display strong, air-stable, long-lived, ultrabroadband, and tunable near-infrared photoluminescence (see picture). Bismuth ions not only act as luminescence-active centers, but also as blocks for selectively closing the "in-out windows" of water molecules. Bismuth active centers can be sealed in a low-vibrational environment by bismuth agglomerates even when the sample still contains a large amount of water.
引用
收藏
页码:3694 / +
页数:6
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