| 介孔氧化镍的复合表面活性剂模版法制备及表征 |
| Preparation and Characterization of Mesoporous Nickel Oxide Templated by Different Mixed Surfactants |
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| 摘要: 用六水合硝酸镍为镍源, 尿素为沉淀剂, 以少量的复合表面活性剂(SDS/P123, CTAB/P123, CTBA/SDS)为模板水热制备了介孔氧化镍。分别采用热重-差示扫描量热(TG-DSC)、傅立叶红外光谱(FTIR)、X射线衍射(XRD)、氮气吸附脱附、扫描电子显微镜(SEM)、透射电子显微镜(TEM)对产物的结构和形貌进行了表征。用循环伏安法, 恒电流充放电和交流阻抗谱等对材料进行了电化学性能的测试。结果表明, 以复合表面活性剂SDS/P123为模板制备的介孔氧化镍有最大的比表面积、孔径和比电容, 且当SDS/P123质量比为2:1时, 所制备的氧化镍比表面积、孔径和比电容分别为209 m2·g-1, 0.407 cm3·g-1, 265 F·g-1。 |
| 关键词: 介孔材料 氧化镍 模板法 电化学 复合表面活性剂 |
| 基金项目: 国家自然科学基金(No.51004074)资助项目。 |
| Abstract: Mesoporous nickel oxide was prepared by hydrothermal method using Ni(NO3)2·6H2O as the nickel source, urea as the precipitant and mixed surfactant SDS/P123, CTAB/P123, CTBA/SDS as the template, at a low consumption of total surfactant. The precursor and final products were characterized by TG-DSC, FTIR, XRD, N2 adsorption-desorption, SEM and TEM. Electrochemical performances were examined by cyclic voltammetry, constant current charge-discharge and electrical impedance spectroscopy. The results show that NiO templated by mixed surfactant SDS/P123 has the highest specific surface area, pore volume and capacitance of 209 m2·g-1, 0.407 cm3·g-1 and 265 F·g-1, respectively, when the mass ratio of mSDS:mP123=2:1. |
| Keywords: mesoporous materials nickel oxide template method electrochemistry mixed surfactant |
| 投稿时间：2012-08-28 修订日期：2012-10-30 |
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| 袁伟,刘昉,张昭.介孔氧化镍的复合表面活性剂模版法制备及表征[J].无机化学学报,2013,29(4):803-809. |
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