Zinc oxide's hierarchical nanostructure and its photocatalytic properties

被引：30

作者：

Kanjwal, Muzafar A. ^{[1
]}

Sheikh, Faheem A. ^{[2
]}

Barakat, Nasser A. M. ^{[3
]}

Li, Xiaoqiang ^{[1
]}

Kim, Hak Yong ^{[3
]}

Chronakis, Ioannis S. ^{[1
]}

机构：

[1] Tech Univ Denmark, DTU Food, DK-2800 Lyngby, Denmark

[2] Univ Texas Pan Amer, Dept Chem, Edinburg, TX 78539 USA

[3] Chonbuk Natl Univ, Dept Text Engn, Jeonju 561756, South Korea

来源：

APPLIED SURFACE SCIENCE | 2012年 / 258卷 / 08期

关键词：

Zinc oxide; Zinc nanoparticles; Electrospinning; Hydrothermal; Methylene blue; ZNO NANOSTRUCTURES; OPTICAL-PROPERTIES; CONTROLLED GROWTH; SURFACE; NANOPARTICLES; DEPOSITION; ARRAYS;

D O I：

10.1016/j.apsusc.2011.12.008

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

In this study, a new hierarchical nanostructure that consists of zinc oxide (ZnO) was produced by the electrospinning process followed by a hydrothermal technique. First, electrospinning of a colloidal solution that consisted of zinc nanoparticles, zinc acetate dihydrate and poly(vinyl alcohol) was performed to produce polymeric nanofibers embedding solid nanoparticles. Calcination of the obtained electrospun nanofiber mats in air at 500 degrees C for 90 min produced pure ZnO nanofibers with rough surfaces. The rough surface strongly enhanced outgrowing of ZnO nanobranches when a specific hydrothermal technique was used. Methylene blue dihydrate was used to check the photocatalytic ability of the produced nanostructures. The results indicated that the hierarchical nanostructure had a better performance than the other form. (C) 2011 Elsevier B. V. All rights reserved.

引用

页码：3695 / 3702

页数：8

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