ZnO-CNTs纳米复合材料的制备及性能表征  

Synthesis and Characteristics of ZnO-CNTs Nanocomposites

作　　者：朱路平[1] 黄文娅 马丽丽[3] 傅绍云[1] 余颖[3] 贾志杰[3] 

机构地区：[1]中国科学院理化技术研究所 [2]武汉耀华玻璃有限公司,武汉430010 [3]华中师范大学纳米科技研究院,武汉430079

出　　处：《物理化学学报》2006年第10期1175-1180,共6页Acta Physico-Chimica Sinica

基　　金：国家自然科学基金(20207002)资助项目

摘　　要：以醋酸锌(Zn(CH3COO)2·2H2O)和经硝酸处理过的碳纳米管(CNTs)为原料,一缩二乙二醇(DEG)为溶剂,采用溶胶法制备得到ZnO-CNTs纳米复合材料,并通过XRD、TEM、SEM、IR、PL等手段对样品进行了表征,TEM及SEM结果显示,负载在碳纳米管上的氧化锌纳米颗粒的尺寸小于25nm.讨论了反应时间、反应温度等因素对产品形貌的影响,并对复合材料的光致发光效应及其形成机理进行了初步的探讨.PL结果表明,相对于纯ZnO,ZnO-CNTs纳米复合材料的近紫外发射峰峰位发生了明显的蓝移.ZnO-CNTs nanocomposites were successfully synthesized by sol method using Zn（CH2COO）2·2H2O and treated multiwalled carbon nanotubes （CNTs） as raw materials and diethyleneglycol （DEG） as regent. The samples were determined by means of X-ray diffraction （XRD）, transmission electron microscopy （TEM）, scanning electron microscopy （SEM）, infrared（IR） absorbence, and photoluminescence（PL） spectrum. TEM and SEM images indicated that the coating layer was composed of ZnO nanoparticles with size less than 25 nm. The effects of various experimental conditions, such as reaction duration and reaction temperature on the obtained composites were investigated as well. Finally, PL function and possible formation mechanism of ZnO-CNTs nanocomposites were proposed. The PL spectra of ZnO-CNTs nanocomposites showed obvious blue-shifts compared with that of pure ZnO nanomaterial.

关 键 词：溶胶法 ZnO-CNTs 纳米复合材料 红外吸收 光致发光光谱 

分 类 号：TB383.1[一般工业技术—材料科学与工程]