用强酸和二氯化锡对化学气相沉积法制备的碳微球(CMSs)进行活化之后,在含活化CMSs的悬浮液中顺序加入聚乙烯砒咯烷酮、硝酸银及水合肼,在加热条件下制备了银纳米颗粒/CMSs复合物.研究了反应过程中硝酸银溶液和水合肼溶液的用量对产物形貌的影响.用场发射扫描电子显微镜、透射电子显微镜和x射线衍射仪表征了产物的形貌和结构特征.结果表明:经过混酸及二氯化锡处理的CMSs在乙醇溶液中与硝酸银、水合肼在加热条件下反应,可以在其表面沉积尺寸较小、分布均匀的银纳米颗粒.
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