Synthesis and luminescence of novel near-infrared emitting BaZrSi3O9:Cr3+ phosphors

被引：20

作者：

Wu, Xuanmin ^{[1
]}

Xu, Dandan ^{[1
]}

Li, Wanwen ^{[1
]}

Wang, Ting ^{[1
]}

Cao, Liwei ^{[1
]}

Meng, JianXin ^{[1
]}

机构：

[1] Jinan Univ, Dept Chem, Guangzhou, Guangdong, Peoples R China

来源：

LUMINESCENCE | 2017年 / 32卷 / 08期

关键词：

BaZrSi3O9:Cr3+; near infrared; phosphor; ELECTRON-PARAMAGNETIC-RESONANCE; ENERGY-TRANSFER; PERSISTENT LUMINESCENCE; OPTICAL-ABSORPTION; CRYSTAL-STRUCTURE; BENITOITE;

D O I：

10.1002/bio.3359

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

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.

引用

页码：1554 / 1560

页数：7

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