3D Se-doped NiCoP nanoarrays on carbon cloth for efficient alkaline hydrogen evolution

Liu, Zi‐xuan; Wang, Xiaolong; Hu, Aiping; Tang, Qunli; Xu, Yali; Chen, Xiaohua

doi:10.1007/s11771-021-4774-y

Cited by 23 publications

(10 citation statements)

References 58 publications

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“…Figure 3 b,c displays the direct and indirect energy bandgap of pure g-C 3 N 4 and its WO 3 atom-doped g-C 3 N 4 composite organic photocatalyst compounds, which can be estimated from the plots of ( ahυ ) 2 and ( ahυ ) 1/2 vs. the incident photon energy ( hυ ) using Tauc’s formula [ 26 ]. The Kubelka–Munk function and its related absorption coefficient ( α ) are as follows [ 27 , 28 , 29 ]: A hυ = ( F ( R ) h υ / d ) = A ( h υ − Eg ) r where A is a pre-factor, E g is the energy bandgap, and r limits the transition band type. When r = 2 is related to the indirect allowed band, r = 1/2 is associated with the direct allowed band.…”

Section: Resultsmentioning

confidence: 99%

Fabrication and Characterization of Highly Efficient As-Synthesized WO3/Graphitic-C3N4 Nanocomposite for Photocatalytic Degradation of Organic Compounds

et al. 2022

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The incorporation of tungsten trioxide (WO3) by various concentrations of graphitic carbon nitride (g-C3N4) was successfully studied. X-ray diffraction (XRD), Scanning Electron Microscope (SEM), and Diffused Reflectance UV-Vis techniques were applied to investigate morphological and microstructure analysis, diffused reflectance optical properties, and photocatalysis measurements of WO3/g-C3N4 photocatalyst composite organic compounds. The photocatalytic activity of incorporating WO3 into g-C3N4 composite organic compounds was evaluated by the photodegradation of both Methylene Blue (MB) dye and phenol under visible-light irradiation. Due to the high purity of the studied heterojunction composite series, no observed diffraction peaks appeared when incorporating WO3 into g-C3N4 composite organic compounds. The particle size of the prepared composite organic compound photocatalysts revealed no evident influence through the increase in WO3 atoms from the SEM characteristic. The direct and indirect bandgap were recorded for different mole ratios of WO3/g-C3N4, and indicated no apparent impact on bandgap energy with increasing WO3 content in the composite photocatalyst. The composite photocatalysts’ properties better understand their photocatalytic activity degradations. The pseudo-first-order reaction constants (K) can be calculated by examining the kinetic photocatalytic activity.

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Section: Resultsmentioning

confidence: 99%

Fabrication and Characterization of Highly Efficient As-Synthesized WO3/Graphitic-C3N4 Nanocomposite for Photocatalytic Degradation of Organic Compounds

et al. 2022

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“…26 Liu et al synthesized a 3D Se-doped NiCoP/CC catalyst and reported that Se doping modulated the electronic structure of NiCoP, resulting in exposure of more accessible active sites, which contributed to the improved HER activity of Se-NiCoP. 27 Qi et al demonstrated that S doping in NiCoP NW/ CFP brought about a downshift of d-band center and hence lessened the interaction between S-NiCoP and intermediates. 28 overpotential of 88 mV to drive a current density of 10 mA cm −2 .…”

Section: ■ Introductionmentioning

confidence: 99%

N-, Se-, and S-Doped Bimetallic NiCoP Nanosheet Arrays as Efficient Hydrogen Evolution Electrocatalysts

Zhan

Gao

Lei

et al. 2023

ACS Sustainable Chem. Eng.

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N-, Se-, and S-doped NiCoP nanosheet arrays with the same doping content were prepared on nickel foam (NF) as efficient electrocatalysts for the hydrogen evolution reaction (HER). Experimental results and theoretical calculations mutually verified that N, Se, and S doping modulated the electronic structure of NiCoP and thus accelerated the intrinsic charge transport, which eventually enhanced the HER activity. N-NiCoP/ NF, Se-NiCoP/NF, and S-NiCoP/NF catalysts show overpotential of 149, 153, and 137 mV at a current density of 100 mA cm −2 , respectively, lower than 154 mV of 20%

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“…Analogous to the formation of hybrid nanostructures with cations, anion substitution such as F, Se, and S into nanostructured MPs is undergoing rapid development for improving HER efficiency. [ 27,116,117 ] In this regard, Jin et al. have prepared fluorine‐doped CoP nanosheet array and tested for HER in 1 m PBS electrolyte.…”

Section: Performance Of Nanostructured Mps For Hermentioning

confidence: 99%

Nanostructured Metal Phosphide Based Catalysts for Electrochemical Water Splitting: A Review

Bodhankar

Sarawade

Kumar

et al. 2022

Small

155

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Amongst various futuristic renewable energy sources, hydrogen fuel is deemed to be clean and sustainable. Electrochemical water splitting (EWS) is an advanced technology to produce pure hydrogen in a cost‐efficient manner. The electrocatalytic hydrogen evolution reaction (HER) and oxygen evolution reaction (OER) are the vital steps of EWS and have been at the forefront of research over the past decades. The low‐cost nanostructured metal phosphide (MP)‐based electrocatalysts exhibit unconventional physicochemical properties and offer very high turnover frequency (TOF), low over potential, high mass activity with improved efficiency, and long‐term stability. Therefore, they are deemed to be potential electrocatalysts to meet practical challenges for supporting the future hydrogen economy. This review discusses the recent research progress in nanostructured MP‐based catalysts with an emphasis given on in‐depth understanding of catalytic activity and innovative synthetic strategies for MP‐based catalysts through combined experimental (in situ/operando techniques) and theoretical investigations. Finally, the challenges, critical issues, and future outlook in the field of MP‐based catalysts for water electrolysis are addressed.

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3D Se-doped NiCoP nanoarrays on carbon cloth for efficient alkaline hydrogen evolution

Abstract: y 3D Se-doped NiCoP nanoarrays on carbon cloth for efficient alkaline hydrogen evolution LIU Zi-xuan(刘紫轩), WANG Xiao-long(王晓龙), HU Ai-ping(胡爱平), TANG Qun-li(唐群力), XU Ya-li(徐亚利), CHEN Xiao-hua(陈小华)

Cited by 23 publications

References 58 publications

Fabrication and Characterization of Highly Efficient As-Synthesized WO3/Graphitic-C3N4 Nanocomposite for Photocatalytic Degradation of Organic Compounds

Fabrication and Characterization of Highly Efficient As-Synthesized WO3/Graphitic-C3N4 Nanocomposite for Photocatalytic Degradation of Organic Compounds

N-, Se-, and S-Doped Bimetallic NiCoP Nanosheet Arrays as Efficient Hydrogen Evolution Electrocatalysts

Nanostructured Metal Phosphide Based Catalysts for Electrochemical Water Splitting: A Review

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