Boosting Oxygen Reduction of Single Iron Active Sites via Geometric and Electronic Engineering: Nitrogen and Phosphorus Dual Coordination

Yuan, Kai; Lützenkirchen−Hecht, Dirk; Li, Longbin; Shuai, Ling; Li, Yizhe; Cao, Rui; Qiu, Ming; Zhuang, Xiaodong; Leung, Michael K.H.; Chen, Yiwang; Scherf, Ullrich

doi:10.1021/jacs.9b11852

articleJournal of the American Chemical SocietyJan 6, 2020GREEN OA

Boosting Oxygen Reduction of Single Iron Active Sites via Geometric and Electronic Engineering: Nitrogen and Phosphorus Dual Coordination

KYKai Yuan DLDirk Lützenkirchen−Hecht LLLongbin Li LSLing Shuai YLYizhe Li

Nanchang University · University of Wuppertal · +5 more institutions

PubMed

Indexed incrossrefpubmed

Abstract

Atomically dispersed transition metal active sites have emerged as one of the most important fields of study because they display promising performance in catalysis and have the potential to serve as ideal models for fundamental understanding. However, both the preparation and determination of such active sites remain a challenge. The structural engineering of carbon- and nitrogen-coordinated metal sites (M-N-C, M = Fe, Co, Ni, Mn, Cu, etc.) via employing new heteroatoms, e.g., P and S, remains challenging. In this study, carbon nanosheets embedded with nitrogen and phosphorus dual-coordinated iron active sites (denoted as Fe-N/P-C) were developed and determined using cutting edge techniques. Both experimental…

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Topics & keywords

Topics

Keywords

Chemistry
Catalysis
Active site
Heteroatom
Nitrogen
Oxygen
Transition metal
Carbon fibers

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