Multihalogenated Zn phthalocyanine as a precursor for porous Zn–N4–C carbons toward electrocatalytic oxygen reduction

Keisuke Sakamoto; Yasuhiro Shiraishi; Keisuke Kinoshita; Koki Yoshida; Wataru Hiramatsu; Takayuki Hirai

doi:10.1039/D4CC05813E

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Multihalogenated Zn phthalocyanine as a precursor for porous Zn–N₄–C carbons toward electrocatalytic oxygen reduction†

Keisuke Sakamoto,^ab Yasuhiro Shiraishi,

*^ac Keisuke Kinoshita,^a Koki Yoshida,^a Wataru Hiramatsu^a and Takayuki Hirai^a

Author affiliations

* Corresponding authors

^a Research Center for Solar Energy Chemistry and Division of Chemical Engineering, Graduate School of Engineering Science, Osaka University, Toyonaka 560-8531, Japan
E-mail: shiraishi.yasuhiro.es@osaka-u.ac.jp

^b Central Research Laboratories, DIC Corporation, 631, Sakado, Sakura, Chiba 285-8668, Japan

^c Innovative Catalysts Science Division, Institute for Open and Transdisciplinary Research Initiatives (ICS-OTRI), Osaka University, Suita 565-0871, Japan

Abstract

Multihalogenated Zn phthalocyanine, a commonly used color filter pigment, when pyrolyzed under NH₃ atmosphere, produces porous carbon powders containing Zn–N₄ coordination sites that exhibit high electrocatalytic O₂ reduction reaction (ORR) performance with long-term stability and chemical resistance.

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Article information

DOI: https://doi.org/10.1039/D4CC05813E
Article type: Communication
Submitted: 31 Oct 2024
Accepted: 04 Dec 2024
First published: 05 Dec 2024

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Chem. Commun., 2025,61, 1371-1374

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Multihalogenated Zn phthalocyanine as a precursor for porous Zn–N₄–C carbons toward electrocatalytic oxygen reduction

K. Sakamoto, Y. Shiraishi, K. Kinoshita, K. Yoshida, W. Hiramatsu and T. Hirai, Chem. Commun., 2025, 61, 1371 DOI: 10.1039/D4CC05813E

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