Highly Efficient Electrospun Silver Decorated Graphene Oxide Nanocomposites on Poly(vinylidene fluoride) (PVDF@GO-Ag) Hybrid Membrane for Reduction of 4-Nitrophenol

被引:2
作者
Yang, Xiaoben [1 ]
He, Zhen [1 ]
Jin, Lei [1 ]
Chen, Huiyang [1 ]
Li, Qianglin [2 ]
Wu, Ling [3 ]
Huang, Zhenghong [4 ]
Wang, Mingxi [1 ]
机构
[1] Wuhan Inst Technol, Sch Chem Engn & Pharm, Sch Chem & Environm Engn, Key Lab Biomass Based Mat Environm & Energy Petr &, Wuhan 430205, Peoples R China
[2] Chengdu Technol Univ, Dept Mat & Environm Engn, Chengdu 611730, Peoples R China
[3] Wuhan Univ Sci & Technol, Sch Chem & Chem Engn, Hubei Prov Key Lab Coal Convers & New Carbon Mat, Wuhan 430081, Peoples R China
[4] Tsinghua Univ, Minist Educ, Sch Mat Sci & Engn, Key Lab Adv Mat, Beijing 100084, Peoples R China
来源
MOLECULES | 2024年 / 29卷 / 16期
基金
中国国家自然科学基金;
关键词
graphene oxide-sliver; poly(vinylidene fluoride) hybrid membrane; electrospun; 4-nitrophenol; catalytic reduction; CATALYTIC-REDUCTION; NANOPARTICLES; SURFACE; CARBON; NANOFIBERS; INSIGHTS;
D O I
10.3390/molecules29163930
中图分类号
Q5 [生物化学]; Q7 [分子生物学];
学科分类号
071010 ; 081704 ;
摘要
Graphene oxide-silver poly(vinylidene fluoride) membranes (PVDF@GO-Ag) were successfully synthesized by the electrospinning method, which exhibited a high catalytic activity using the hydrogenation of 4-nitrophenol (4-NP) as a model reaction in a batch reaction study. The hybrid membranes doped with 1 wt% GO and 2 wt% Ag (PVDF-1-2) exhibited the most desired performance for the catalytic reduction of 4-NP. Importantly, PVDF-1-2 exhibited excellent cycling stability in 10 catalytic cycle tests and was highly amenable to separation. This property effectively addresses the significant challenges associated with the practical application of nanocatalysts. Furthermore, density-functional theory (DFT) calculations have demonstrated that the GO-Ag nanocomposites exhibit the strongest adsorption capacity for 4-NP- when a specific ratio of GO and Ag is achieved, accompanied by the loading of Ag nanoclusters onto GO. Additionally, the study demonstrated that an increase in temperature significantly accelerated the reaction rate, in line with the van't Hoff rule. This study provides an effective and environmentally friendly solution for the treatment of 4-NP in wastewater.
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页数:18
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