Synthesis of internally carbon-sourced carbon nanofiber forming Ni-graphitic carbon nitride

被引：3
|
作者：
Bhaduri, Bhaskar [1 ]
Omar, Rishabh Anand [2 ]
Verma, Nishith [3 ,4 ]
机构：
[1] Indian Inst Technol Kharagpur, Dept Chem Engn, Kharagpur 721302, India
[2] Babasaheb Bhimrao Ambedkar Univ, Dept Environm Microbiol, Lucknow 226025, India
[3] Indian Inst Technol Kanpur, Ctr Environm Sci & Engn, Kanpur 208016, India
[4] Indian Inst Technol Kanpur, Dept Chem Engn, Kanpur 208016, India
来源：
CHEMICAL ENGINEERING SCIENCE | 2023年 / 274卷
关键词：
Carbon nanofibers; Graphitic carbon nitride; Chemical vapor deposition; Metal nanoparticles; Metal catalyst; ACTIVATED CARBON; NICKEL NANOPARTICLES; CU NANOPARTICLES; REMOVAL; GROWTH; TEMPERATURE; PERFORMANCE; ADSORPTION; ELECTRODES; OXIDATION;
D O I：
10.1016/j.ces.2023.118655
中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
The present study synthesizes carbon nanofibers (CNF) over a graphitic carbon nitride (g-C3N4) substrate without requiring an external carbon-source. In this novel route of the synthesis, g-C3N4 acts as the substrate as well as the internal source of carbon. Ni nanoparticles (NPs) dispersed in g-C3N4 catalyze the decomposition of triazine rings and N heterocycles in the material to form a web of CNF over g-C3N4. Tested for its catalytic activity towards the reduction of aqueous nitrobenzene (NB) using the hydrazine monohydrate reducing agent, Ni-CNF/g-C3N4 shows an approximately 95% conversion of NB. The high catalytic activity of the material is ascribed to the combined effects of g-C3N4, Ni NPs, and CNF. The present study has clearly established an efficient, easy, and inexpensive route for synthesizing CNF-based 3D nanostructures that are useful in many engineering applications including energy and environment.& COPY; 2023 Elsevier Ltd. All rights reserved.
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页数：11
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