Novel double perovskite reddish-orange emitting Ca2InNbO6: Sm3+ phosphors with abnormal thermal quenching for white LEDs

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成果类型：

期刊论文

作者：

Hu, Xiaopeng;Zhang, Anlin;Tang, Rong;Jin, Xiaoyue;Che, Junzhi;...

通讯作者：

Lianwu Xie

作者机构：

[Zhang, Anlin; Hu, Xiaopeng; Xie, Lianwu] Cent South Univ Forestry & Technol, Coll Sci, Changsha 410004, Peoples R China.

[Zhang, Anlin; Deng, Bin] Xiangnan Univ, Coll Chem Biol & Environm Engn, Chenzhou 423043, Peoples R China.

[Yu, Ruijin; Ouyang, Xuan; Tang, Rong; Che, Junzhi; Hu, Xiaopeng; Jin, Xiaoyue] Northwest A&F Univ, Coll Chem & Pharm, Yangling 712100, Shaanxi, Peoples R China.

[Zhou, Chang] Northwest A&F Univ, Coll Sci, Yangling 712100, Shaanxi, Peoples R China.

[Deng, Bin] Xiangnan Univ, Hunan Prov Key Lab Xiangnan Rare Precious Met Cpds, Chenzhou 423043, Peoples R China.

通讯机构：

[Lianwu Xie] C

College of Sciences, Central South University of Forestry and Technology, Changsha 410004, PR China

语种：

英文

关键词：

Abnormal thermal quenching;W-LEDs;Ca2InNbO6;Sm3+

期刊：

Journal of Alloys and Compounds

ISSN：

0925-8388

年：

2023

卷：

938

页码：

168540

DOI：

10.1016/j.jallcom.2022.168540

基金类别：

Hunan Provincial Key Laboratory of Xiangnan Rare-Precious Metals Compounds and Applications [2019XGJSKFJJ01]; Construction Program of the Key Discipline of the Education Department in Hunan Province [18A465]; Provincial Key Research and Development Plan in Hunan, China [2020NK2019]; Natural Science Foundation of Shaanxi Province [2022NY-224]; Undergraduate Innovation Fund of Northwest A&F University, China [202210712058, 202210712050, S202210712394, 202110712190, 202110712188, S202110712707, S202010712314, S202010712006]; Home for researchers, China

机构署名：

本校为第一机构

院系归属：

理学院

摘要：

A series of reddish-orange emitting Ca2InNbO6:Sm3+ (CINO:Sm3+) phosphors for white light-emitting diodes (w-LEDs) were synthesized using a high-temperature solid-state technique. The synthesized CINO:Sm3+ phosphors are pure phases with monoclinic structures. The optimal Sm3+ doping concentration is 0.02 mol, and concentration quenching is due to the dipole-dipole interaction. Upon 407 nm excitation, the as-prepared CINO:Sm3+ phosphors exhibited strong reddish-orange emission around 602 nm, attributed to the 4G5/2 -> 6H7/2 transition of Sm3+. Surprisingly, the CINO:Sm3+ phosphors revealed an ab...

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Novel double perovskite reddish-orange emitting Ca2InNbO6: Sm3+ phosphors with abnormal thermal quenching for white LEDs

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