Abstract Uniform bead-like CuMn2O4/ZnO nanofibers were successfully fabricated via a facile electrospinning technology. The current new findings can be emphasized on the introduction of ZIF-8 into Cu-based precursor solution that had a great significance for controlling phase structure and morphology of CuMn2O4/ZnO composites. Compared with hollow CuMn2O4 nanofibers and CuMn2O4/ZnMn2O4 irregular rod-like materials, CuMn2O4/ZnO nanofibers can display the enhanced photocatalytic efficiency of 86% as the irradiation time increasing to 50 min and the good photocatalytic cycle stability to methylene blue (MB). The influence of adding amount of ZIF-8 on the morphological evolution and photocatalytic property of CuMn2O4/ZnO nanofibers and the relevant photocatalytic mechanism were investigated. The synthesis approach of CuMn2O4/ZnO nanofibers is expected for fabricating other 1D semiconductor composites with novel morphologies and advanced properties in photocatalysis, gas sensing, and electrochemical applications.

中文翻译：

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ZIF-8对珠状CuMn 2 O 4 /ZnO光催化电纺纳米纤维相结构和形貌的影响

摘要 通过简便的静电纺丝技术成功制备了均匀的珠状CuMn2O4/ZnO纳米纤维。目前的新发现可以强调将 ZIF-8 引入 Cu 基前驱体溶液中，这对控制 CuMn2O4/ZnO 复合材料的相结构和形貌具有重要意义。与空心的CuMn2O4纳米纤维和CuMn2O4/ZnMn2O4不规则棒状材料相比，CuMn2O4/ZnO纳米纤维随着照射时间增加到50分钟，光催化效率提高了86%，对亚甲蓝（MB）的光催化循环稳定性良好。研究了ZIF-8的添加量对CuMn2O4/ZnO纳米纤维形貌演变和光催化性能的影响及相关光催化机理。