Journal
MATERIALS CHEMISTRY FRONTIERS
Volume 3, Issue 6, Pages 1080-1084Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c9qm00050j
Keywords
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Funding
- National Natural Science Foundation of China [21771050]
- Natural Science Foundation of Hebei Province [B2016202147, B2016202149]
- Educational Committee of Hebei Province [LJRC021, QN2015172]
- Hebei Provincial College of Science and Technology Research Project [BJ2018054]
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Silver clusters confined in zeolites have emerged as promising functional materials in the optical field due to their characteristic color properties. However, single-phase white light phosphors based on silver cluster-loaded zeolites for fabricating white LEDs have been rarely achieved. In this paper, a luminescent material with tunable emission from green to cyan and white was developed using thermally-treated Ag+ ion-exchanged zeolite Y. The above-mentioned luminescence performance was proved to be affected by the mutative silver cluster species. Furthermore, an ideal white emitting material was achieved. Moreover, a white LED device with a high Ra of 92.3 was fabricated simply by combining a UV Chip-On-Board with the white emitting composite. Our results provide a novel method for the preparation of solid single-component white light materials applied for LEDs.
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