第一作者：Feng Yanru

通讯作者：Wenjuan XuJunli Xu, Hong-bin Sun

合写作者：Wenjuan Xu, Zejun Sun, Chengrui Li, Liutao Guo, Hong Li

发表刊物：Acs Sustainable Chemistry & Engineering

期号：26

卷号：10

DOI码：10.1021/acssuschemeng.2c02166

所属单位：Department of Chemistry, Northeastern University

教研室：物理化学

刊物所在地：United States of America

摘要：The construction of environmentally friendly and efficient electrocatalysts is of great significance for energy-saving hydrogen production. Here, we fabricate a phosphate and phosphide composite-based catalyst using the highly integrated precursor 1,1′-bis (diphenylphosphino) ferrocene (DPPF) as integral P, Fe, and C sources. The catalyst was prepared via the vapor deposition process of DPPF on the precursor of 900 °C pretreated ZIF-L/NF. Under the induction of P in DPPF, Ni on NF migrates through porous NC to form Ni2P, while DPPF transforms into FePO4/PdC. Therefore, the catalyst has the structure of the FePO4/P-doped C two-dimensional nanofilm-encapsulated Ni2P@NC matrix on NF substrates (named FPPC/Ni2P@NC/NF). Benefiting from the synergistic effect of the FePO4/PdC, Ni2P, and NC matrix, the FPPC/Ni2P@NC/NF catalyst needs only 1.317 V to reach 10 mA cm–2 in urea oxidation. Moreover, it also exhibits good OER activity, which requires an overpotential of 292 mV to reach 100 mA cm–2. This work provides a novel and environmentally friendly strategy for the simultaneous construction of metal phosphate and phosphide catalysts.

关键字：organophosphine ligand, FePO 4, Ni2 P, P-doped C 2D nanofilm, urea oxidation, oxygen evolution reaction

论文编号：WOS:000818710200001

学科门类：理学

一级学科：化学

页面范围：8239-8668

ISSN号：2168-0485

是否译文：否