Chemistry Letters
Online ISSN : 1348-0715
Print ISSN : 0366-7022
ISSN-L : 0366-7022
Letter
One-pot Preparation of Water-soluble Blue Luminescent Silica Flakes via Microwave Heating
Yasuhiko IwasakiYasuhisa ShibataAkihiko WatanabeMitsuru InadaHideya KawasakiTakashi Uchino
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2010 Volume 39 Issue 4 Pages 370-371

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Abstract

Photoluminescent silica flakes were newly synthesized from silicon tetrachloride (SiCl4) by reflux in N,N-dimethylformamide (DMF) without the use of any surfactants or other additives. Photoluminescence (PL) intensity was remarkably enhanced with microwave treatment. The morphology of dispersible solutes was 144 ± 16 nm flakes. It was also clarified that DMF was coordinated on the surface of the flakes and that it influences the dispersion of flakes in both aqueous and organic solvents.

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© 2010 The Chemical Society of Japan
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