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Continuous Liquid Phase Synthesis of Europium and Bismuth Co-Doped Yttrium Vanadate Nanophosphor Using Microwave Heating
Takashi KUNIMOTO Yoshiko FUJITA Hiroshi OKURA
IEICE TRANSACTIONS on Electronics
Publication Date: 2016/11/01
Online ISSN: 1745-1353
Type of Manuscript: INVITED PAPER (Special Section on Electronic Displays)
nanophosphor, flow reactor, microwave heating, vanadate,
Full Text: FreePDF
A continuous flow reactor equipped with a low-loss flow channel and a microwave cavity was developed for synthesizing nanophosphors. A continuous solution synthesis of YVO4:Eu,Bi nanophosphor was succeeded through the rapid hydrothermal method using this equipment. Internal quantum efficiency of YVO4:Eu,Bi nanophosphor obtained by 20 minutes microwave heating is about 30% at 320 nm as high as that obtained by 6 hours hydrothermal treatment in autoclave.