Strong Ultra‐Broadband Near‐Infrared Photoluminescence from Bismuth‐Embedded Zeolites and Their Derivatives

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. Bi...

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Bibliographic Details
Published in:Advanced materials (Weinheim) 2009-09, Vol.21 (36), p.3694-3698
Main Authors: Sun, Hong‐Tao, Hosokawa, Akinobu, Miwa, Yuji, Shimaoka, Fumiaki, Fujii, Minoru, Mizuhata, Minoru, Hayashi, Shinji, Deki, Shigehito
Format: Article
Language:English
Subjects:
bismuth
ion exchange
near infrared
photoluminescence
zeolites
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Summary: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.
ISSN:0935-9648
1521-4095
DOI:10.1002/adma.200900573