Facile synthesis of MOF-derived N doped ZnO/C nanoparticles and its adsorption activity toward dye removal

BMC Chemistry

Research

Sherief A. Al Kiey¹  Khadiga Mohamed Abas² 

[1] Electrochemistry and Corrosion Laboratory, Physical Chemistry Department, National Research Centre, Dokki, 12622, Cairo, Egypt;Material Engineering Lab, Central laboratories Network, National Research Centre, Dokki, 12622, Cairo, Egypt;Laboratory of Surface Chemistry and Catalysis, National Research Centre, 33 El-Bohouth St., 12622, Giza, Egypt;

关键词: MOFs;    ZIF-8;    Carbonization;    Adsorption;   

DOI  :  10.1186/s13065-023-01038-6

 received in 2023-05-17, accepted in 2023-09-13,  发布年份 2023

来源: Springer

【 摘 要 】

Metal–organic framework (MOF)-derived materials have gained an increasing interest and showed potential adsorption features in numerous applications. Significant attempts have been performed to boost the structure, functionality, surface area and porosity in addition to adsorption performance of MOF-derived carbon nanoparticles. Here, nitrogen-doped ZnO/carbon nanoparticles were synthesized by directly pyrolysis of Zn based metal organic framework (ZIF-8) in a nitrogen atmosphere at two different temperatures (600 and 800 °C), followed by chemical impregnation with ZnCl2 solution with ratio (10:1) wt/wt, and thermal activation at 500 °C for 1 h. SEM, TEM, XPS, nitrogen adsorption–desorption method, and TGA characterization techniques were employed to investigate the morphology and structure characteristics. Then, thorough analysis of N doped ZnO/C-(600 and 800), adsorption capacity to remove Remazol brilliant blue reactive (RBBR) dye from aqueous phase was conducted. At room temperature, the porous N doped ZnO/C with high surface area attained a maximum adsorption capacity about 49.3 mg/g and demonstrated a strong adsorption capacity toward RBBR dye. The insights of kinetic, thermodynamic and adsorption isotherm studies of the as-demonstrated samples open up more discussion for MOFs-derived carbon adsorbents for wastewater treatment.

【 授权许可】

CC BY   
© Springer Nature Switzerland AG 2023

【 图 表 】

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