BiOCl:Er3+ Nanosheets with Tunable Thickness for Photon Avalanche Phosphors
Source abstract
Abstract
Efficient high-order upconversion/downconversion photon avalanche (PA) luminescence of Er3+ ions was observed from hydrothermally synthesized Er3+-doped BiOCl nanosheets excited at 980 nm. Accompanied by declining threshold power, significant enhancements of the emission intensity and cycle numbers of PA luminescence were achieved simultaneously by decreasing the thickness of the nanosheets. Comparable experiments indicated that modification of the PA process is mainly correlated with the scale-dependent internal electric fields (IEFs) as well as the multiphoton band transition of BiOCl nanosheets. The results of this work pave the way to renewing the construction conditions for rare-earth-doped PA nanophosphors.
Source: openalex_inverted_index · Quality: baseline
Research context
OpenAlex topics: Luminescence Properties of Advanced Materials · Radiation Detection and Scintillator Technologies · Perovskite Materials and Applications
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
School of Materials Science and Engineering, Kunming University of Science and Technology, Kunming, 650093, China
State Key Laboratory of Optoelectronic Materials and Technologies, School of Materials Science and Engineering, Sun Yat-Sen University, Guangzhou 510275, China
Funding
National Natural Science Foundation of China · Applied Basic Research Program of Yunnan Province · Reserve talents project of Yunnan Province
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