多元醇法形貌可控制备氧化亚铜微纳米颗粒

doi:10.11944/j.issn.1000-0518.2018.04.170111

摘要/Abstract

摘要：

以硝酸铜、乙酸铜、乙酰丙酮铜为原料,采用多元醇还原法合成制备了氧化亚铜立方体、微球、空心球、核壳结构等微纳米颗粒。利用X射线衍射仪(XRD)、场发射扫描电子显微镜(FE-SEM)、透射电子显微镜(TEM)、高分辨透射电子显微镜(HRTEM)和紫外可见吸收光谱(UV-Vis)等测试手段对样品的物相、形貌、元素组分及吸光性能进行了表征。同时考察了铜源、反应时间、和多元醇类型对氧化亚铜微纳米材料形貌的影响,对产物形成机理进行了初步的探讨。对产物形成机理进行了初步的探讨。采用简单低廉的多元醇合成法,可以控制合成不同相貌的氧化亚铜微纳米结构。对制备形貌可控的氧化物具有一定的指导意义。

关键词: 氧化亚铜, 多元醇法, 形貌控制

Abstract:

Cu₂O micro- and nanoparticles with different morphologies(cube, microsphere, hollow sphere and core-shell) were prepared by polyol method, using copper nitrate, copper acetate, and copper acetylacetonate as raw materials. The samples were characterized by X-ray diffraction(XRD), field emission scanning electron microscopy(FE-SEM), transmission electron microscopy(TEM), high resolution TEM(HRTEM) and ultraviolet-visible(UV-Vis) spectroscopy. We investigated the influences of copper sources, reaction time, the polyol types and other conditions on the morphology of cuprous oxide. The mechanism for the formation of Cu₂O in polyol process is discussed. Synthesis of cuprous oxide micro- and nanostructures with different shape can be controlled by the simple and inexpensive polyol method. This method is promising for the preparation of oxides with controlled morphologies.

Key words: cuprous oxide, polyol method, shape control

刘欣, 彭莉岚, 冯鹏元, 张扬, 邓瑞平, 彭泽平. 多元醇法形貌可控制备氧化亚铜微纳米颗粒[J]. 应用化学, 2018, 35(4): 469-476.

LIU Xin, PENG Lilan, FENG Pengyuan, ZHANG Yang, DENG Ruiping, PENG Zeping. Morphology Control of Cuprous Oxide Micro- and Nanoparticles by Polyol Method[J]. Chinese Journal of Applied Chemistry, 2018, 35(4): 469-476.

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