Enhanced Photocatalytic Performance of Chromium Doped Zinc Oxide Nanoparticles

被引：11

作者：

Ray, Rajeev ^{[1
]}

Kumar, Ashavani ^{[1
]}

Paul, A. K. ^{[2
]}

Tyagi, Sachin ^{[3
]}

机构：

[1] Natl Inst Technol, Kurukshetra, Haryana, India

[2] CSIR Cent Sci Instruments Org, Chandigarh, India

[3] CSIR Cent Sci Instruments Org, Dept Ubiquitous Analyt Tech, Chandigarh 160030, India

来源：

TRANSACTIONS OF THE INDIAN INSTITUTE OF METALS | 2016年 / 69卷 / 05期

关键词：

Photo-catalytic; Degradation; Chromium; VISIBLE-LIGHT; ZNO NANOPARTICLES; METHYL-ORANGE; DEGRADATION; TIO2; NANOMATERIALS; DEPENDENCE; BLUE;

D O I：

10.1007/s12666-015-0618-5

中图分类号：

TF [冶金工业];

学科分类号：

0806 ;

摘要：

Pure and chromium doped ZnO nanoparticles were successfully synthesized by eco-friendly and cost effective sol-gel technique. Structural, morphological and optical properties of pure and Cr doped ZnO nanoparticles were analyzed by X-ray diffraction, transmission electron microscope, and UV-vis spectroscopic techniques, respectively. The crystallite size of pure ZnO nanoparticles were observed to decrease from 29 to 24 nm as dopant concentration was increased to 3 %. Band gap of pure ZnO nanoparticles were also observed to decrease from 3.5 to 3.37 eV with increase in dopant concentration. The photo-catalytic degradation of methyl blue dye under UV irradiation was examined for synthesized samples. The chromium doped zinc oxide nanoparticles were found to give enhanced photo degradation efficiency (75.5 %) than the pure zinc oxide nanoparticles (51.2 %).

引用

页码：1043 / 1048

页数：6

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