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Synergetic effect of pyrrolic-N and doped boron in mesoporous carbon for electrocatalytic ozone production

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Abstract

The exploration of highly efficient and inexpensive electrochemical ozone production (EOP) electrocatalysts for various in situ industrial applications is a recent hot topic in the catalysis field. In this work, B, N co-doped mesoporous carbon materials were designed and their EOP performance was predicted via density functional theory (DFT). In accordance with the theoretical predictions, a multifunctional site, pyrrolic-N, B co-doped defective mesoporous carbon (D-BNC) material with a high content of pyrrolic N, which exhibits excellent EOP electrocatalytic activity, was successfully synthesized. The high activity of D-BNC can be attributed to the synergetic effect played by pyrrolic-N, B, its neighboring C elements, and the defects. Furthermore, the five-membered cyclic structure formed between B and the neighboring C atoms which connects to O3 reduces the activation energy (0.41 eV) of the compound and promotes EOP. This work offers a new reference for the development of inexpensive metal free carbon-based electrocatalysts for EOP.

Graphical abstract: Synergetic effect of pyrrolic-N and doped boron in mesoporous carbon for electrocatalytic ozone production

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Article information


Submitted
23 Nov 2019
Accepted
11 Jan 2020
First published
13 Jan 2020

J. Mater. Chem. A, 2020, Advance Article
Article type
Communication

Synergetic effect of pyrrolic-N and doped boron in mesoporous carbon for electrocatalytic ozone production

Q. Zhang, Y. Cao, Y. Yan, B. Yuan, H. Zheng, Y. Gu, X. Zhong and J. Wang, J. Mater. Chem. A, 2020, Advance Article , DOI: 10.1039/C9TA12866B

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