CuO Nanoparticle Modified ZnO Nanorods with Improved Photocatalytic Activity

被引：39

作者：

Wei Ang ^{[1
]}

Xiong Li ^{[1
]}

Sun Li ^{[1
]}

Liu Yan-Jun ^{[1
]}

Li Wei-Wei ^{[1
]}

机构：

[1] Nanjing Univ Posts & Telecommun, KLOEID, Nanjing 210046, Jiangsu, Peoples R China

来源：

CHINESE PHYSICS LETTERS | 2013年 / 30卷 / 04期

基金：

中国国家自然科学基金;

关键词：

FIELD-EMISSION; STATE;

D O I：

10.1088/0256-307X/30/4/046202

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Cupric oxide (CuO) nanoparticles were grown on zinc oxide (ZnO) nanorod (NR) arrays to form ZnO-CuO corn-like composites via a simple two step solution-based method. First, ZnO nanorods were grown on a glass substrate by the hydrothermal method. Afterwards, CuO crystals were photochemically deposited on ZnO NRs using ultraviolet (UV) light irradiation at room temperature. The density and size of CuO nanoparticles (NPs) on ZnO NRs can be controlled by the irradiation time of UV light. The structural and optical properties of ZnO-CuO nanocomposites were characterized by using various techniques such as UV-vis absorption spectroscopy, photoluminescence, scanning electron microscopy, energy dispersive x-ray spectroscopy, and x-ray diffraction. ZnO-CuO nanocomposites show an excellent improvement in photocatalytic characteristics compared to bare ZnO NRs.

引用

页数：5

共 21 条

[1] Visible-light photocatalysis in nitrogen-doped titanium oxides [J].

Asahi, R ;

Morikawa, T ;

Ohwaki, T ;

Aoki, K ;

Taga, Y .

SCIENCE, 2001, 293 (5528) :269-271

[2] Microbial toxicity of metal oxide nanoparticles (CuO, NiO, ZnO, and Sb2O3) to Escherichia coli, Bacillus subtilis, and Streptococcus aureus [J].

Baek, Yong-Wook ;

An, Youn-Joo .

SCIENCE OF THE TOTAL ENVIRONMENT, 2011, 409 (08) :1603-1608

[3] Hierarchically multifunctional TiO2 nano-thorn membrane for water purification [J].

Bai, Hongwei ;

Liu, Zhaoyang ;

Sun, Darren Delai .

CHEMICAL COMMUNICATIONS, 2010, 46 (35) :6542-6544

[4] Preparation and Photocatalytic Activity of ZnO/Fe2O3 Nanorod Arrays and ZnO/NiO Nanotube Arrays [J].

Cui Yin-Fang ;

Wang Cong ;

Wu Su-Juan ;

Liu Yu ;

Wang Tian-Min .

CHINESE PHYSICS LETTERS, 2012, 29 (03)

[5] Cu2O/ZnO hetero-nanobrush: hierarchical assembly, field emission and photocatalytic properties [J].

Deo, Meenal ;

Shinde, Deodatta ;

Yengantiwar, Ashish ;

Jog, Jyoti ;

Hannoyer, Beatrice ;

Sauvage, Xavier ;

More, Mahendra ;

Ogale, Satishchandra .

JOURNAL OF MATERIALS CHEMISTRY, 2012, 22 (33) :17055-17062

[6] STATE OF SUPPORTED IRIDIUM IN A HYDRAZINE DECOMPOSITION CATALYST [J].

ESCARD, J ;

LECLERE, C ;

CONTOUR, JP .

JOURNAL OF CATALYSIS, 1973, 29 (01) :31-39

[7] ENVIRONMENTAL APPLICATIONS OF SEMICONDUCTOR PHOTOCATALYSIS [J].

HOFFMANN, MR ;

MARTIN, ST ;

CHOI, WY ;

BAHNEMANN, DW .

CHEMICAL REVIEWS, 1995, 95 (01) :69-96

[8]

Jung S, 2010, NANOTECHNOLOGY, V22

[9] Fabrication of CuO-ZnO nanowires on a stainless steel mesh for highly efficient photocatalytic applications [J].

Jung, Sungmook ;

Yong, Kijung .

CHEMICAL COMMUNICATIONS, 2011, 47 (09) :2643-2645

[10] Facile synthesis and photocatalytic activity of ZnO-CuO nanocomposite [J].

Li, Benxia ;

Wang, Yanfen .

SUPERLATTICES AND MICROSTRUCTURES, 2010, 47 (05) :615-623

← 1 2 3 →