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Ultra-broadband and high-efficiency phosphors to brighten NIR-II light source applications

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成果类型:
期刊论文
作者:
Liu, Bo-Mei;Gu, Si-Min;Huang, Lin;Zhou, Rong-Fu;Zhou, Zhi;...
通讯作者:
Zou, R.;Wang, J.
作者机构:
[Liu, Bo-Mei; Huang, Lin; Wang, Jing] Sun Yat Sen Univ, Sch Mat Sci & Engn, Guangzhou 510275, Peoples R China.
[Gu, Si-Min; Wang, Jing] Sun Yat Sen Univ, Sch Chem, State Key Lab Optoelectron Mat & Technol, Minist Educ,Key Lab Bioinorgan & Synthet Chem, Guangzhou 510275, Peoples R China.
[Zhou, Rong-Fu] Foshan Univ, Sch Environm & Chem Engn, Foshan 528225, Peoples R China.
[Zhou, Zhi] Hunan Agr Univ, Coll Sci, Hunan Optic Agr Engn Technol Res Ctr, Changsha 10128, Hunan, Peoples R China.
[Ma, Chong-Geng] Chongqing Univ Posts & Telecommunicat, Sch Optoelectron Engn CQUPT BUL Innovat Inst, Chongqing 400065, Peoples R China.
通讯机构:
[Rui Zou] D
[Jing Wang] S
School of Materials Science and Engineering, Sun Yat-Sen University, Guangzhou 510275, China<&wdkj&>Ministry of Education Key Laboratory of Bioinorganic and Synthetic Chemistry, State Key Laboratory of Optoelectronic Materials and Technologies, School of Chemistry, Sun Yat-Sen University, Guangzhou 510275, China<&wdkj&>Department of Nuclear Medicine, The Third Affiliated Hospital of Sun Yat-Sen University, 600 Tianhe Road, Guangzhou 510630, China
语种:
英文
关键词:
broadband NIR light source;Ni;NIR-II;phosphor-converted LEDs;tunable luminescence
期刊:
Cell Reports Physical Science
ISSN:
2666-3864
年:
2022
卷:
3
期:
10
页码:
101078
基金类别:
This work was financially supported by the Joint Funds of the National Natural Science Foundation of China and Yunnan Province ( U1902222 ), the NSFC ( 51961145101 and 52102195 ), the China Postdoctoral Science Foundation ( 2021M703656 ), the Guangzhou Science & Technology Project ( 202007020005 ), and Hunan High Level Talent Gathering Project ( 2019RS1077 and 2020RC5007 ). Meanwhile, the authors would like to thank Shiyanjia Lab ( www.shiyanjia.com ) for the ICP tests and Xi’an Leading Optoelectronic Technology Co., Ltd ( www.leadingoe.com ) for the support of the NIR-II camera.
机构署名:
本校为其他机构
院系归属:
理学院
摘要:
Achieving phosphor-converted light-emitting diodes (pc-LEDs) for portable NIR spectroscopy applications has evoked enormous demand for high-efficiency broadband NIR-II (1,000–1,700 nm) phosphors. Herein, a series of Li-alloyed (Li/Mg)O:Ni2+ phosphors with tunable NIR-II emission is prepared. By alloying Li-ions into MgO:Ni2+, we break the uniform coordination environment of Ni2+ emitters by substitutional disorder and induce many crystallographically equivalent Ni2+ emitters. This leads to large spectral tuning in the NIR-II region with the pe...

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