Matches in SemOpenAlex for { <https://semopenalex.org/work/W4297237906> ?p ?o ?g. }
- W4297237906 endingPage "141249" @default.
- W4297237906 startingPage "141249" @default.
- W4297237906 abstract "This work aimed to improve the catalytic behavior of semi-conductive amorphous molybdenum oxysulfide (aMoOxSy) as a weak oxygen evolution reaction (OER) catalyst. A simple galvanostatic procedure is employed to hybridize Nickel foam (NF)/Mn-doped aMoOxSy with some amorphous transition metal phosphides (TMPs). Mn-heterostructuring causes an impressive improvement in both morphological properties and OER activity by more than 300% compared with NF/MoOxSy. The hybridization with TMPs (Fe, Co, Ni and Cu) gives a trimetallic composite with strong interfacial interaction, long-term stability, and pronounced OER activity. Further consideration unveils how Mn-doping endows a dramatic synergism upon hybridization of MoOxSy with CoP and NiP (with current boosting≥600%). While no synergism was observed after multiple examinations of CuP and FeP. Density functional theory (DFT) calculations are performed to theoretically address the role of Mn on the electronic features of the hybridized MoOS and the included transition metals. The defined theoretical synergism coefficient (TSC, τ) adhered to the observed trends in the electrochemical measurements. Two independent suggested schemes demonstrate the interfacial coordination pathway of MoOS-based composite. Finally, the NF/Mn-MoOxSy/petals-like 2D NiP nanosheets are recommended as a robust and cost-effective electrocatalyst for OER. It requires overpotentials as low as 191, 299 and 366 mV at the current densities of 10, 100 and 500 mA cm−2, respectively, which are much superior to the benchmark NF/IrO2 catalyst." @default.
- W4297237906 created "2022-09-28" @default.
- W4297237906 creator A5003803062 @default.
- W4297237906 creator A5025255835 @default.
- W4297237906 creator A5035325926 @default.
- W4297237906 creator A5058701624 @default.
- W4297237906 date "2022-11-01" @default.
- W4297237906 modified "2023-09-26" @default.
- W4297237906 title "Catalytic synergism in Mn-heterostructured molybdenum oxysulfide hybridized with transition metal phosphides: A robust amorphous water oxidation catalyst" @default.
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