Red long lasting phosphorescence of Eu³⁺ doped BiOCl semiconducting polycrystals

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• 作者：Yuting ZHOU (周玉婷)^a ; Zhiguo SONG (宋志国)^a ; ^{songzg@kmust.edu.cn} ; Yongjin LI (李永进)^a ; ^b ; ^{liyongjin2008@163.com} ; Qun LIU (刘 群)^a ; Zuyuan XU (徐祖元)^a ; Rui HU (胡 锐)^a ; Xiangzhou ZHANG (张相周)^a ; Jianbei QIU (邱建备)^a ; Zhengwen YANG (杨正文)^a
• 关键词：BiOCl ; red long lasting phosphorescence ; thermoluminescence ; rare earths
• 刊名：Journal of Rare Earths
• 出版年：2016
• 出版时间：December 2016
• 年：2016
• 卷：34
• 期：12
• 页码：1188-1192
• 全文大小：2693 K
• 卷排序：34

文摘

The exploration of novel long lasting red phosphors is still of importance due to expected commercial applications and scientific interests. In this work, we reported the red long lasting phosphorescence (LLP) from Eu3+ doped BiOCl semiconductor polycrystals. The LLP property of the red phosphor is relatively weak due to less trap density, but the excitation band of LLP stems from the energy gap transition of semiconductor, offering experimental evidence for energy transfer between BiOCl semiconductor and Eu3+ ions. Although the afterglow duration of Eu3+ doped BiOCl was short temporarily, this work may open a novel kind of red LLP phosphors.