Science China Chemistry

, Volume 55, Issue 8, pp 1580–1586

Ionic liquid assisted synthesis of flowerlike Cu2O micro-nanocrystals

Articles Special Issue · Ionic Liquid and Green Chemistry

DOI: 10.1007/s11426-012-4654-2

Cite this article as:
Zhao, Y., Guo, L., Sun, X. et al. Sci. China Chem. (2012) 55: 1580. doi:10.1007/s11426-012-4654-2

Abstract

Novel flowerlike Cu2O micro-nanocrystals were prepared by a greener reductive reaction of cupric acetate monohydrate with ethylene glycol in aqueous solutions of [C8mim]X (X = Cl, Br, BF4, PF6) and [Cnmim][BF4] (n = 4, 6, 8). The obtained microstructures of Cu2O were characterized by Scanning Electron Microscopy (SEM), X-ray diffraction (XRD) and Fourier Transform Infrared (FT-IR). The effects of cations, anions and concentration of the ionic liquids on the morphology of Cu2O were examined in some details. The results suggest that the formation of flowerlike Cu2O was governed by a [C8mim][BF4] controlled reductive reaction mechanism. As one of their applications, the Cu2O nanoparticles were used for the photocatalytic degradation of methylene blue in aqueous solution, and high photocatalytic activity was observed.

Keywords

Cu2Oflowerlike micro-nanocrystalsionic liquidstructure-directing agentphotocatalytic activity

Copyright information

© Science China Press and Springer-Verlag Berlin Heidelberg 2012

Authors and Affiliations

  1. 1.Key Laboratory of Green Chemical Media and Reactions, Ministry of Education; School of Chemical and Environmental SciencesHenan Normal UniversityXinxiangChina