Iron phthalocyanine with coordination induced electronic localization to boost oxygen reduction reaction

Chen, Kejun; Liu, Kang; An, Pengda; Li, Huangjingwei; Lin, Yiyang; Hu, Junhua; Jia, Chuankun; Fu, Junwei; Li, Hongmei; Liu, Hui; Lin, Zhang; Li, Wenzhang; Li, Jiahang; Lu, Ying‐Rui; Chan, Ting‐Shan; Zhang, Ning; Liu, Min

doi:10.1038/s41467-020-18062-y

articleNature CommunicationsAug 20, 2020GOLD OA

Iron phthalocyanine with coordination induced electronic localization to boost oxygen reduction reaction

KCKejun Chen KLKang Liu PAPengda An HLHuangjingwei Li YLYiyang Lin

Central South University · State Key Laboratory of Powder Metallurgy · +3 more institutions

PubMed

Indexed incrossrefdoajpubmed

Abstract

Abstract Iron phthalocyanine (FePc) is a promising non-precious catalyst for the oxygen reduction reaction (ORR). Unfortunately, FePc with plane-symmetric FeN 4 site usually exhibits an unsatisfactory ORR activity due to its poor O 2 adsorption and activation. Here, we report an axial Fe–O coordination induced electronic localization strategy to improve its O 2 adsorption, activation and thus the ORR performance. Theoretical calculations indicate that the Fe–O coordination evokes the electronic localization among the axial direction of O–FeN 4 sites to enhance O 2 adsorption and activation. To realize this speculation, FePc is coordinated with an oxidized carbon. Synchrotron X-ray absorption and Mössbauer…

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Topics & keywords

Topics

Keywords

Catalysis
Adsorption
Phthalocyanine
Oxygen
Chemistry
Tafel equation
Synchrotron
Materials science

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