Rapid synthesis of phosphor-glass composites in seconds based on particle self-stabilization

Yongsheng Sun, Yuzhen Wang, Weibin Chen, Qingquan Jiang, Dongdan Chen, Guoping Dong and Zhiguo Xia ()
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Yongsheng Sun: South China University of Technology
Yuzhen Wang: South China University of Technology
Weibin Chen: South China University of Technology
Qingquan Jiang: South China University of Technology
Dongdan Chen: South China University of Technology
Guoping Dong: South China University of Technology
Zhiguo Xia: South China University of Technology

Nature Communications, 2024, vol. 15, issue 1, 1-8

Abstract: Abstract Phosphor-glass composites (PGC) are excellent candidates for highly efficient and stable photonic converters; however, their synthesis generally requires harsh procedures and long time, resulting in additional performance loss and energy consumption. Here we develop a rapid synthetic route to PGC within about 10 seconds, which enables uniform dispersion of Y3Al5O12:Ce3+ (YAG:Ce) phosphor particles through a particle self-stabilization model in molten tellurite glass. Thanks for good wettability between YAG:Ce micro-particles and tellurite glass melt, it creates an energy barrier of 6.94 × 105 zJ to prevent atomic-scale contact and sintering of particles in the melt. This in turn allows the generation of YAG:Ce-based PGC as attractive emitters with high quantum efficiency (98.4%) and absorption coefficient (86.8%) that can produce bright white light with luminous flux of 1227 lm and luminous efficiency of 276 lm W−1 under blue laser driving. This work shows a generalizable synthetic strategy for the development of functional glass composites.

Date: 2024
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DOI: 10.1038/s41467-024-45293-0

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