fulltext.study @t Gmail

The shape-specific photocatalytic efficiency of quantum size TiO2 nanoparticles

Paper ID Volume ID Publish Year Pages File Format Full-Text
50665 46808 2012 4 PDF Available
Title
The shape-specific photocatalytic efficiency of quantum size TiO2 nanoparticles
Abstract

The hypothesis of increasing electron/hole separation and photocatalytic activity by elongating one dimension size of extremely small nanoparticles was verified. Comparable TiO2 nanorods and nanodots were prepared using very similar hydrolysis processes in oleic acid. The oleic acid coating on the TiO2 surface was removed using UV irradiation. The structure, surface and absorption properties of samples were characterized. Photoluminescence and photocatalytic activity of samples were evaluated semi-quantitatively. The experimental results proved that the nanorods did have more efficient electron/hole separation and higher photocatalytic activity than spherical nanodots.

Graphical abstractFigure optionsDownload full-size imageDownload as PowerPoint slideHighlights► Shape effect on photocatalytic activity was investigated. ► Comparable TiO2 nanorods and nanodots were prepared. ► The size of compared nanoparticles was lower than “optimum particle size”.

Keywords
One dimension; Shape; 1D; PL
First Page Preview
The shape-specific photocatalytic efficiency of quantum size TiO2 nanoparticles
Publisher
Database: Elsevier - ScienceDirect
Journal: Catalysis Communications - Volume 21, 5 May 2012, Pages 1–4
Authors
, , , , ,
Subjects
Physical Sciences and Engineering Chemical Engineering Catalysis