论文部分内容阅读
以聚乙烯吡咯烷酮(PVP)为络合剂与醋酸锌〔Zn(CH3COO)2〕和乙酸锰(Mn(CH3COO)2)反应制得前驱体溶液,用静电纺丝法制备了PVP/Zn(CH3COO)2/Mn(CH3COO)2复合纳米纤维,经煅烧得到具有微孔结构的Mn掺杂ZnO微/纳米纤维。对所制备纤维分别采用差热-热重分析(TG-DTA)、红外光谱(IR)、X射线衍射(XRD)、扫描电镜(SEM)等手段进行了表征。结果表明:PVP/Zn(CH3COO)2/Mn(CH3COO)2纤维表面光滑,直径约300～700nm,经煅烧后,可得到Mn掺杂ZnO微/纳米纤维,XRD测试表明煅烧后的无机纳米纤维呈ZnMn2O4晶相。
The precursor solution was obtained by reacting polyvinylpyrrolidone (PVP) as complexing agent with zinc acetate [Zn (CH3COO) 2] and manganese acetate (Mn (CH3COO) 2). PVP / Zn (CH3COO ) 2 / Mn (CH3COO) 2 composite nanofibers were obtained by calcination to obtain MN doped ZnO micro / nanofibers with microporous structure. The prepared fibers were characterized by TG-DTA, IR, XRD and SEM. The results show that the surface of PVP / Zn (CH3COO) 2 / Mn (CH3COO) 2 fiber is smooth and the diameter is about 300-700nm. After being calcined, Mn-doped ZnO micro / nanofibers can be obtained. The XRD results show that the calcined inorganic nanofibers ZnMn2O4 crystal phase.