Preparation and photocatalytic performance of porous ZnO microrods loaded with Ag

Porous silver-modified ZnO microrods photocatalysts were synthesized through direct thermal decomposition of the Ag-doped zinctartrate precursor, which was prepared by homogeneous precipitation method at 80 °C for 2 h. The obtained samples were characterized by XRD, FTIR, TG-DTA and UV-VIS absorptio...

Full description

Saved in:
Bibliographic Details
Published in:Transactions of Nonferrous Metals Society of China 2012-04, Vol.22 (4), p.873-878
Main Authors: JIA, Zhi-gang, PENG, Kuan-kuan, LI, Yan-hua, ZHU, Rong-sun
Format: Article
Language:English
Subjects:
Ag/ZnO
decoloration
Decoloring
Doping
Photocatalysis
Photocatalysts
photocatalytic performance
porous material
Reduction
Silver
Sunlight
Zinc oxide
Citations: Items that this one cites
Items that cite this one
Online Access:Get full text
Tags: Add Tag
No Tags, Be the first to tag this record!
Description
Summary:Porous silver-modified ZnO microrods photocatalysts were synthesized through direct thermal decomposition of the Ag-doped zinctartrate precursor, which was prepared by homogeneous precipitation method at 80 °C for 2 h. The obtained samples were characterized by XRD, FTIR, TG-DTA and UV-VIS absorption spectroscopy. The photocatalytic activity of the as-prepared porous Ag/ZnO microrods was tested with the photocatalytic degradation of methyl orange. The results indicate that doping Ag greatly improves the photocatalytic efficiency of ZnO and 3% Ag-doped (mole fraction) ZnO porous microrod photocatalyst exhibits the highest photocatalytic decolorization efficiency, leading to as much as 80% reduction of MO concentration in 120 min. Moreover, the 3% Ag-doped porous microrods also possess higher photocatalytic activity under the real sunlight irradiation.
ISSN:1003-6326
DOI:10.1016/S1003-6326(11)61259-4