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Singh K, Pradhan P, Priya S, Mund S, Vaidyanathan S. Recent progress in trivalent europium (Eu 3+)-based inorganic phosphors for solid-state lighting: an overview. Dalton Trans 2023; 52:13027-13057. [PMID: 37656121 DOI: 10.1039/d3dt00303e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/02/2023]
Abstract
Narrow band red-emitting phosphors are significant constituents but still a bottleneck for next-generation smart displays and high-performance lighting (solid-state lighting based white light-emitting diodes (WLEDs)) technology. This review emphasizes the fundamental understanding and comprehensive overview of the recent progress and challenges associated with inorganic phosphors or down (wavelength) convertors, providing special attention to narrowband red-emitting oxide phosphors for phosphor-converted WLEDs (pc-WLEDs). In this context, the comprehensive progress on trivalent europium (Eu3+, in scheelite and double perovskite structures) based oxide phosphors with special emphasis on structure-composition-property-correlations is briefly reviewed. Furthermore, the challenges faced in the design of new oxide red phosphors and strategies to improve their absorption, emission efficiency, and future research direction are highlighted.
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Affiliation(s)
- Kasturi Singh
- Department of Chemistry, National Institute of Technology Rourkela, India
- Department of Chemistry, Indian Institute of Technology Hyderabad, Kandi, Sangareddy, India.
| | | | - Savita Priya
- Department of Chemistry, National Institute of Technology Rourkela, India
| | - Sibani Mund
- Department of Chemistry, Indian Institute of Technology Hyderabad, Kandi, Sangareddy, India.
| | - Sivakumar Vaidyanathan
- Department of Chemistry, Indian Institute of Technology Hyderabad, Kandi, Sangareddy, India.
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Energy transfer from Tb3+ to Eu3+ in LiSrY2(BO3)3: Candidates for UV or NUV excited color tunable phosphors. J SOLID STATE CHEM 2022. [DOI: 10.1016/j.jssc.2022.123452] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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Tang Z, Du F, Leng Z, Xie H, Li Y, Zhao L. Seeking new, ultra-narrow-band blue emitting phosphors with high color purity for wide color gamut displays. J RARE EARTH 2022. [DOI: 10.1016/j.jre.2022.09.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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Wang T, Liu F, Wang Z, Zhang J, Yu S, Wu J, Huang J, Wang W, Zhao L. Achieving visible and near-infrared dual-emitting mechanoluminescence in Mn 2+ single-doped magnesium aluminate spinel. Dalton Trans 2022; 51:12290-12298. [PMID: 35899813 DOI: 10.1039/d2dt01770a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
Visible (VIS) and near-infrared (NIR) mechanoluminescence (ML) materials have been developed rapidly for use in energy conversion, biological applications and mechanical sensing. The realization of visible and NIR ML in single host materials meets the dual requirements of visualization and anti-interference for high-precision mechanical sensing. In this work, Mn2+ single-doped magnesium aluminate spinel MgAl2O4 with excellent ML performance was studied in detail. Bright, visible green and NIR ML were achieved under mechanical stimulation, and the ratio between visible and NIR ML intensity can be regulated by manipulating the doping concentration of Mn2+. The generation of ML without additional pre-irradiation proved that the self-powered ML phenomenon was independent of trap. The functional relationship between mechanical parameters and ML intensity indicated that the doped spinel can be used for visualization, anti-interference and non-contact mechanical sensing. In addition, the NIR ML of MgAl2O4:Mn2+, centered at 835 nm, is located in the first NIR window (NIR-I, 650-950 nm), which effectively penetrates living tissue such as skin, fat, and lean meat, respectively, showing that it has potential applications in in vivo optical imaging.
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Affiliation(s)
- Tianli Wang
- School of Physics and Opto-Electronic Technology, Collaborative Innovation Center of Rare-Earth Optical Functional Materials and Devices Development, Baoji University of Arts and Sciences, Baoji, Shaanxi 721016, P. R. China.
| | - Fei Liu
- School of Physics and Opto-Electronic Technology, Collaborative Innovation Center of Rare-Earth Optical Functional Materials and Devices Development, Baoji University of Arts and Sciences, Baoji, Shaanxi 721016, P. R. China.
| | - Ziqi Wang
- School of Physics and Opto-Electronic Technology, Collaborative Innovation Center of Rare-Earth Optical Functional Materials and Devices Development, Baoji University of Arts and Sciences, Baoji, Shaanxi 721016, P. R. China.
| | - Jia Zhang
- School of Physics and Opto-Electronic Technology, Collaborative Innovation Center of Rare-Earth Optical Functional Materials and Devices Development, Baoji University of Arts and Sciences, Baoji, Shaanxi 721016, P. R. China.
| | - Shuaishuai Yu
- School of Physics and Opto-Electronic Technology, Collaborative Innovation Center of Rare-Earth Optical Functional Materials and Devices Development, Baoji University of Arts and Sciences, Baoji, Shaanxi 721016, P. R. China.
| | - Junxiao Wu
- School of Physics and Opto-Electronic Technology, Collaborative Innovation Center of Rare-Earth Optical Functional Materials and Devices Development, Baoji University of Arts and Sciences, Baoji, Shaanxi 721016, P. R. China.
| | - Jiahao Huang
- School of Physics and Opto-Electronic Technology, Collaborative Innovation Center of Rare-Earth Optical Functional Materials and Devices Development, Baoji University of Arts and Sciences, Baoji, Shaanxi 721016, P. R. China.
| | - Wenjie Wang
- College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou, Gansu 730000, P. R. China.
| | - Lei Zhao
- Pillar of Engineering Product Development, Singapore University of Technology and Design, 8 Somapah Road, Singapore 487372, Singapore.
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