Mechanisms involved in the platinization of sol-gel-derived TiO2 thin films

被引：14

作者：

Riassetto, D. ^{[1
]}

Holtzinger, C. ^{[1
]}

Messaoud, M. ^{[1
]}

Briche, S. ^{[1
]}

Berthome, G. ^{[2
]}

Roussel, F. ^{[3
]}

Rapenne, L. ^{[1
]}

Langlet, M. ^{[1
]}

机构：

[1] Grenoble Inst Technol, LMGP, F-38016 Grenoble 1, France

[2] Domaine Univ, Grenoble Inst Technol, SIMAP, F-38402 St Martin Dheres, France

[3] Domaine Univ, Grenoble Inst Technol, CMTC, F-38402 St Martin Dheres, France

来源：

JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY A-CHEMISTRY | 2009年 / 202卷 / 2-3期

关键词：

Photocatalysis; Photolysis; TiO2; Sol-gel; Thin film; Platinum; PHOTOCATALYTIC ACTIVITY; PLATINUM NANOPARTICLES; TITANIUM-DIOXIDE; PT/TIO2; REDUCTION; OXIDATION; DEPOSITION; COMPLEXES; ELECTRONS; SURFACES;

D O I：

10.1016/j.jphotochem.2008.11.023

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Sol-gel TiO2 thin films have been loaded with platinum nano-particles via their immersion within a pt(4+) precursor liquid solution exposed to UV light. Mechanisms involved in the photo-induced formation of platinum particles have been studied by UV/visible spectroscopy, X-ray photoelectron spectroscopy, energy dispersive X-ray analysis, scanning electron microscopy, and transmission electron microscopy. According to studied mechanisms, it is shown that the amount, size, and structural state of photo-generated platinum particles dispersed at a solid surface can flexibly be monitored. (C) 2008 Elsevier B.V. All rights reserved.

引用

页码：214 / 220

页数：7

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