Journal
LUMINESCENCE
Volume 32, Issue 8, Pages 1554-1560Publisher
WILEY
DOI: 10.1002/bio.3359
Keywords
BaZrSi3O9:Cr3+; near infrared; phosphor
Categories
Funding
- Teamwork Project - Natural Science Foundation of Guangdong Province [S2013030012842]
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The BaZrSi3O9:Cr3+ phosphors were prepared by a high temperature solid state method. Their structures were confirmed with XRD and their luminescence properties were investigated. Under excitation at 455 nm, BaZrSi3O9:Cr3+ phosphors exhibited a broad near infrared emission band peaked at 800 nm, which was assigned to the (4)T(2)(4)A(2) transition of Cr3+. The near infrared emission intensity reached a maximum at Cr3+ concentration of 0.7%. There was a concentration quenching phenomenon of Cr3+ in BaZrSi3O9 matrix and the corresponding concentration quenching mechanism was investigated. With efficient near infrared emission in the range of 700-1000 nm, BaZrSi3O9:Cr3+ phosphors may find applications in solar energy conversion.
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