Facile synthesis of a CuSe/PVP nanocomposite for ultrasensitive non-enzymatic glucose biosensing.
非酶葡萄糖生物传感器具有高灵敏度、低响应时间、宽线性范围和低成本等优势。本文采用一锅溶胶凝胶法合成聚乙烯吡咯烷酮(PVP)与硒化铜(CuSe)纳米复合材料,并通过XRD、FTIR、UV-vis、SEM、EDS和XPS进行表征。XRD显示CuSe/PVP呈六方晶系,FTIR和XPS证实PVP与CuSe共存,UV-vis测得带隙约2.7...