Synthesis and characterization of visible-light absorbing ordered mesoporous titanosilicate incorporated with vanadium oxide

In Soo Park; Sun Young Choi; Jeong Sook Ha; Jihyeong Khim

doi:10.1016/j.cplett.2007.07.007

Synthesis and characterization of visible-light absorbing ordered mesoporous titanosilicate incorporated with vanadium oxide

In Soo Park, Sun Young Choi, Jeong Sook Ha, Jihyeong Khim

Research output: Contribution to journal › Article

6 Citations (Scopus)

Abstract

Ordered mesoporous titanosilicates (OMTs) showing UV-visible-light absorption were synthesized using SBA-15 ordered mesoporous silica as a host framework, where the incorporated vanadium oxide worked as a visible-light receptor. The structures and the chemical composition of the OMTs were investigated with powder X-ray diffraction, nitrogen physisorption isotherm, transmission electron microscope and X-ray photoelectron spectroscopy. Vanadium oxide nanoparticles are incorporated into the interconnecting mesopores of SBA-15 structure and the most of titanium dioxide is uniformly coated on SBA-15 as well as vanadium oxide surfaces. The presence of vanadium oxide nanoparticles in OMTs induced visible-light absorption of titanium oxide at the wavelength above 400 nm.

Original language	English
Pages (from-to)	161-166
Number of pages	6
Journal	Chemical Physics Letters
Volume	444
Issue number	1-3
DOIs	https://doi.org/10.1016/j.cplett.2007.07.007
Publication status	Published - 2007 Aug 17

ASJC Scopus subject areas

Physics and Astronomy(all)
Physical and Theoretical Chemistry

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Park, I. S., Choi, S. Y., Ha, J. S., & Khim, J. (2007). Synthesis and characterization of visible-light absorbing ordered mesoporous titanosilicate incorporated with vanadium oxide. Chemical Physics Letters, 444(1-3), 161-166. https://doi.org/10.1016/j.cplett.2007.07.007

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abstract = "Ordered mesoporous titanosilicates (OMTs) showing UV-visible-light absorption were synthesized using SBA-15 ordered mesoporous silica as a host framework, where the incorporated vanadium oxide worked as a visible-light receptor. The structures and the chemical composition of the OMTs were investigated with powder X-ray diffraction, nitrogen physisorption isotherm, transmission electron microscope and X-ray photoelectron spectroscopy. Vanadium oxide nanoparticles are incorporated into the interconnecting mesopores of SBA-15 structure and the most of titanium dioxide is uniformly coated on SBA-15 as well as vanadium oxide surfaces. The presence of vanadium oxide nanoparticles in OMTs induced visible-light absorption of titanium oxide at the wavelength above 400 nm.",

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