文献类型：期刊文献

英文题名：ZnO Nanofiber Derived from Zinc Loaded Chitosan Nanofiber as an Efficient Adsorbent for Congo Red from Aqueous Solution

作者：Long, Ke[1];Cui, Yixin[2];Meng, Huibiao[2];Zhang, Qi[1];Liu, Yaqing[1];Shao, Linjun[1];Xing, Guiying[3]

机构：[1]Shaoxing Univ, Zhejiang Key Lab Alternat Technol Fine Chem Proc, Shaoxing 312000, Zhejiang, Peoples R China;[2]Zhejiang Zhongxin Fluoride Mat Co Ltd, Shaoxing 312000, Zhejiang, Peoples R China;[3]Shaoxing Univ, Sch Med, Shaoxing 312000, Zhejiang, Peoples R China

年份：2024

外文期刊名：JOURNAL OF INORGANIC AND ORGANOMETALLIC POLYMERS AND MATERIALS

收录：SCI-EXPANDED(收录号：WOS:001283470500004)、、EI(收录号：20243216817084)、Scopus(收录号：2-s2.0-85200354455)、WOS

基金：The authors acknowledge the financial support from the National Natural Science Foundation of China (No. 11705117) and Shaoxing University.DAS:No datasets were generated or analysed during the current study.

语种：英文

外文关键词：ZnO Nanofiber; Electrospinning; Annealing; Adsorption; Congo red

外文摘要：In this study, uniform Zn2+ incorporated chitosan nanofibers were first prepared by electrospinning with PEO as the cospinning agent and ZnO as the Zn2+ source. Then, these composite nanofibers were carbonized at 600 oC under argon atmosphere to achieve ZnO embedded carbon (Zn@C) nanofibers. Afterward, these ZnO@C nanofibers were annealed at 400 oC under air atmosphere to prepare ZnO nanofibers. SEM, XPS and TEM results confirmed the successful preparation of ZnO nanofibers. The BET analysis shows that the surface area of ZnO nanofibers was up to 154.5 m2/g. These ZnO nanofibers exhibited excellent adsorption performance for Congo red with adsorption capacity of up to 224.2 mg/g. After adsorption, the ZnO nanofibers could be readily recovered by removal of the solution and regenerated by calcination at 400 oC for 1.0 h. Due to the fusion of ZnO nanofiber in the regeneration process, the adsorption capacity of ZnO nanofiber was a little reduced after regeneration. The ZnO nanofiber could be reused three times with satisfied adsorption capacity.