| 在离子液体[BMIM]BF_4-水中制备Cu_2O粒子 |
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| 引用本文： | 张萌,徐晓冬,赵志红,张密林.在离子液体[BMIM]BF_4-水中制备Cu_2O粒子[J].精细化工,2007,24(9):852-855,884. |
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| 作者姓名： | 张萌 徐晓冬 赵志红 张密林 |
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| 作者单位： | 哈尔滨工程大学,材料科学与化学工程学院,黑龙江,哈尔滨,150001 |
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| 基金项目： | 高等学校博士学科点专项科研项目
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哈尔滨工程大学校科研和教改项目 |
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| 摘 要： | 以CuCl2.2H2O和NaOH为原料,离子液体1-丁基-3-甲基咪唑四氟硼酸盐BMIM]BF4-水混合溶剂为介质,利用化学还原法在112℃反应12 h合成了Cu2O粒子,考察了BMIM]BF4对产物的影响。用XRD、ESEM/EDS和TEM/SAED对Cu2O粒子进行了结构和形貌表征;用FTIR和TG/DSC证实了离子液体修饰在Cu2O粒子的表面,从而有效地阻止了Cu2O粒子的氧化和团聚;用紫外-可见吸收光谱估测了Cu2O粒子的带隙能量为2.38 eV。离子液体在反应中发挥了还原剂、稳定剂、分散剂和模板剂的多重作用。
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| 关 键 词： | 离子液体 Cu2O粒子 还原剂 功能材料 |
| 文章编号： | 1003-5214（2007）09-0852-05 |
| 修稿时间： | 2007-01-102007-04-19 |
Preparation Cu2O Particles in the Mixed Solvent of Ionic Liquid [BMIM]BF4-H2O |
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| ZHANG Meng,XU Xiao-dong,ZHAO Zhi-hong,ZHANG Mi-lin.Preparation Cu2O Particles in the Mixed Solvent of Ionic Liquid [BMIM]BF4-H2O[J].Fine Chemicals,2007,24(9):852-855,884. |
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| Authors: | ZHANG Meng XU Xiao-dong ZHAO Zhi-hong ZHANG Mi-lin |
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| Affiliation: | College of Materials Science and Chemical Engineering ,Harbin Engineering University,Harbin 150001 ,Heilongjiang, China |
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| Abstract: | Cu2O particles were synthesized at constant temperature of 112 ℃ for 12 h using CuCl2·2H2O and NaOH as raw materials in the mixed solvent of ionic liquid 1-butyl-3-methylimidazolium tetrafluoroborate BF4-H2O via chemical reduction.XRD,ESEM/EDS and TEM/SAED were used to characterize the structure and morphology of the product.FTIR spectra and TG/DSC curves indicated that the surface of Cu2O particles was modified with the ionic liquid to prevent them from oxidation and crystallite aggregation.UV-vis spectra were employed to estimate the band gap energy of Cu2O to be about 2.38 eV.It was demonstrated that the ionic liquid acted as reducing,stabilizing,dispersing as well as structure-directing agent. |
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| Keywords: | ionic liquids Cu2O particles reducing agent functional materials |
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