High-Efficiency Photocatalytic Degradation of Methylene Blue Using Electrospun ZnO Nanofibers as Catalyst

被引：17

作者：

Du, P. F. ^{[1
,2
]}

Song, L. X. ^{[1
]}

Xiong, J. ^{[1
]}

Xi, Z. Q. ^{[2
]}

Chen, J. J. ^{[2
]}

Gao, L. H. ^{[2
]}

Wang, N. Y. ^{[2
]}

机构：

[1] Zhejiang Sci Tech Univ, Key Lab Adv Text Mat & Mfg Technol, Minist Educ, Hangzhou 310018, Zhejiang, Peoples R China

[2] Zhejiang Sci Tech Univ, Ctr Mat Engn, Hangzhou 310018, Zhejiang, Peoples R China

来源：

JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY | 2011年 / 11卷 / 09期

基金：

高等学校博士学科点专项科研基金;

关键词：

ZnO; Nanofibers; Electrospinning; Photocatalysis; NANOROD ARRAYS; WATER; NANOSTRUCTURES; FABRICATION; PARTICLES; TIO2; DYE; PHOTOLUMINESCENCE; TEMPERATURE; NANOTUBES;

D O I：

10.1166/jnn.2011.4733

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

In this work, ZnO nanofibers (ZNFs) were successfully prepared via a simple electrospinning technique using polyvinylpyrrolidone (PVP) and zinc acetate dihydrate (Zn(CH(3)COO)(2)center dot 2H(2)O) as precursors. The obtained ZNFs have an average diameter of ca. 95 nm and are composed of crystalline wurtzite phase. Methylene blue (MB) dye was used to investigate the photocatalytic performance of pure ZNFs. The study confirms that ZNFs have favorable catalytic activity, and the best degradation efficiency of MB can exceed 90% under UV light irradiation for 3 hours. In addition, we propose a possible photodegradation mechanism.

引用

页码：7723 / 7728

页数：6

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