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J Am Chem Soc. 2005 Jul 20;127(28):9986-7.

Direct white light phosphor: a porous zinc gallophosphate with tunable yellow-to-white luminescence.

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  • 1Department of Chemistry, National Tsing Hua University, Hsinchu 30043, Taiwan.

Abstract

A nanoporous zinc gallophosphate framework, NTHU-4, possessing 14-ring channels, disordered rims, and two luminant analogues, NTHU-4Y and NTHU-4W, has been synthesized and characterized; NTHU-4Y is an intrinsic yellow phosphor, while NTHU-4W is a white phosphor. The unique tetrahedral framework can be excited by wavelengths longer than 254 nm to give intense yellow-to-white luminescence. Subtle changes in disorderliness were observed to be related to the distinct photoluminescence property.

PMID:
16011347
[PubMed]
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