Preparation of Rod-like ZnO Micro/Nano-crystals by Imidazolium Ionic Liquid Assisted Hydrothermal Method

doi:10.7503/cjcu20120453

Chem. J. Chinese Universities ›› 2013, Vol. 34 ›› Issue (2): 324.doi: 10.7503/cjcu20120453

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Preparation of Rod-like ZnO Micro/Nano-crystals by Imidazolium Ionic Liquid Assisted Hydrothermal Method

HU Xiao-Yu, LIU Qian-Ge, ZHUO Ke-Lei, WANG Jian-Ji

School of Chemistry and Chemical Engineering, Key Laboratory of Green Chemical Media and Reactions, Ministry of Education, Henan Normal University, Xinxiang 453007, China

Received:2012-05-09 Online:2013-02-10 Published:2013-01-21
Contact: ZHUO Ke-Lei E-mail:klzhuo@263.net

Abstract

Abstract:

ZnO crystals with different morphologies were prepared by hydrothermal method using zinc acetate dihydrate and sodium hydroxide as raw materials and the mixture of 1-alkyl-3-methylimidazolium chloride ionic liquid([Emim]Cl, [Bmim]Cl, [Hmim]Cl or [Omim]Cl) and water as the solvent. The as-prepared samples were characterized by scanning electron microscopy(SEM) and X-ray diffraction(XRD). The effects of alkyl chain lengths of imidazolium ionic liquids, the dosage of ionic liquids, reaction time and temperature on ZnO crystals during the formation process were investigated. The results indicate that the structures of the ZnO rods are hexagonal wurtzite. It is very important to select different ionic liquids and their dosage and to control reaction time and temperature in preparation of ZnO crystals with different morphologies.

Key words: Imidazolium ionic liquid, ZnO, Micro/nanomaterial

CLC Number:

O614.2

TrendMD:

HU Xiao-Yu, LIU Qian-Ge, ZHUO Ke-Lei, WANG Jian-Ji. Preparation of Rod-like ZnO Micro/Nano-crystals by Imidazolium Ionic Liquid Assisted Hydrothermal Method[J]. Chem. J. Chinese Universities, 2013, 34(2): 324.

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Preparation of Rod-like ZnO Micro/Nano-crystals by Imidazolium Ionic Liquid Assisted Hydrothermal Method

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