氮掺杂碳纳米管包覆金属钴催化剂的制备及催化过氧化氢氧化性能研究

doi:10.11896/cldb.24040170

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Abstract Metal cobalt embedded N-doped carbon nanotube (NCNT@Co) catalyst was prepared by solid-phase pyrolysis, and its morphology and structure were systematically characterized. The effects of catalyst dosage and solution pH on catalytic performance for hydrogen peroxide oxidation reaction were investigated using methylene blue (MB) as the target pollutant. The results show that the metal Co was successfully embedded in carbon nanotube structure, forming a shell-core structure. When the addition of NCNT@Co is 20 mg and the reaction time is 15 min, it exhibits the best catalytic activity for hydrogen peroxide oxidation and the degradation rate of MB reaches up to 91.31%. Meanwhile, the NCNT@Co catalyst exhibits high catalytic activity over the pH range of 3—9. Moreover, its good stability was also proved by five recycling tests and the degradation rate of MB is still maintained at 80.89% of the initial value. This study provides a simple method for the preparation of high-perfor-mance catalysts for catalytic hydrogen peroxide oxidation.

Key words： hydrogen peroxide catalytic oxidation carbon nanotube shell-core structure nitrogen doping

Published: 15 August 2025 Online: 2025-08-15

CLC number:

O643

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	Articles by authors
	LIU Qiang
	DENG Cheng
	LI Haiyun
	SHANG Yiran
	HU Enyuan
	ZHU Mengfu
	GENG Hongzhang

Cite this article:

LIU Qiang,DENG Cheng,LI Haiyun, et al. Preparation of Metal Cobalt Embedded N-doped Carbon Nanotube Catalyst and Its Performance for Catalyzing Oxidative Dye Degradation by Hydrogen Peroxide[J]. Materials Reports, 2025, 39(16): 24040170-6.

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https://www.mater-rep.com/EN/10.11896/cldb.24040170 OR https://www.mater-rep.com/EN/Y2025/V39/I16/24040170

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