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Citation: WANG Ruizhi, WANG Zhenzhen, ZHANG Ming, LI Fangfang, GUO Han, WANG Aijun, FENG Jiuju. Room-temperature Synthesis and Photocatalytic Activity of Lamella Flower-like ZnO[J]. Chinese Journal of Applied Chemistry, ;2014, 31(3): 316-322. doi: 10.3724/SP.J.1095.2014.30215 shu

Room-temperature Synthesis and Photocatalytic Activity of Lamella Flower-like ZnO

1.
School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang 453007, China

Corresponding author: FENG Jiuju,
Received Date: 6 May 2013
Available Online: 24 June 2013
Fund Project: 国家自然科学基金资助项目(21175118,21275130) (21175118,21275130)

Lamella flower-like ZnO was prepared in a large-scale via a simple wet chemical method at room temperature(25℃) using polyvinylpyrrolidone(PVP) as template and zinc nitrate and sodium hydroxide as source materials.The effects of experimental parameters such as the amounts of reagents,the reaction time and temperature on the morphologies and structures of as-products were investigated in detail.The crystal features and morphologies of the products were characterized by X-ray diffraction(XRD),scanning electron microscopy(SEM) and high-resolution transmission electron microscopy(HRTEM),respectively.It was found that flower-like ZnO shows higher photocatalytic activity towards the degradation of rhodamine B under UV irradiation compared to commercial ZnO.The degradation efficiency of flower-like ZnO is up to 98.6% within 140 min.
- flower-like zinc oxide,
- polyvinylpyrrolidone,
- photocatalysis,
- Rhodamine B
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