Fine-tuning of ultrathin carbon shells coated on metal nanoparticles: carbon etching and defect healing effects

Jiho Min; Keonwoo Ko; Yunjin Kim; Sreya Roy Chowdhury; A. Anto Jeffery; Sourabh S. Chougule; Namgee Jung

doi:10.1039/D3CC00845B

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Fine-tuning of ultrathin carbon shells coated on metal nanoparticles: carbon etching and defect healing effects†

Jiho Min,^a Keonwoo Ko,^a Yunjin Kim,^a Sreya Roy Chowdhury,^a A. Anto Jeffery,^a Sourabh S. Chougule^a and Namgee Jung

*^a

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* Corresponding authors

^a Graduate School of Energy Science and Technology (GEST), Chungnam National University, 99 Daehak-ro, Yuseong-gu, Daejeon 34134, Republic of Korea
E-mail: njung@cnu.ac.kr

Abstract

Carbon-incorporated metal nanoparticles are heat-treated in various gas atmospheres to create carbon shells with different porosity. A highly porous carbon shell is formed due to the carbon etching effect by H₂, and the defect healing effect by CO is discovered through additional CO gas treatment of the H₂/N₂ gas-treated sample.

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Article information

DOI: https://doi.org/10.1039/D3CC00845B
Article type: Communication
Submitted: 22 Feb 2023
Accepted: 30 Mar 2023
First published: 30 Mar 2023

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Chem. Commun., 2023,59, 5681-5684

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Fine-tuning of ultrathin carbon shells coated on metal nanoparticles: carbon etching and defect healing effects

J. Min, K. Ko, Y. Kim, S. Roy Chowdhury, A. A. Jeffery, S. S. Chougule and N. Jung, Chem. Commun., 2023, 59, 5681 DOI: 10.1039/D3CC00845B

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Chemical Communications

Fine-tuning of ultrathin carbon shells coated on metal nanoparticles: carbon etching and defect healing effects†

Abstract

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Fine-tuning of ultrathin carbon shells coated on metal nanoparticles: carbon etching and defect healing effects

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