Nanostructured SnS-N-doped graphene as an advanced electrocatalyst for the hydrogen evolution reaction

Shinde, S.S.; Sami, Abdul; Kim, Dong‐Hyung; Lee, Jung-Ho

doi:10.1039/c5cc05644f

Cited by 82 publications

(39 citation statements)

References 29 publications

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“…Table S1 (Supplementary information) summarizes the current density, applied overpotential and Tafel slopes from previously published reports. Our SnS thin film electrocatalysts after 150 W AAPT feature a much higher current density and lower Tafel slope as compared to previously reported TMD electrocatalysts [12,[41][42][43][44][45][46]. Although, SnS exhibits excellent catalytic properties for HER, it still requires a high operating overpotential.…”

Section: Sample Name Vbm Atom % (Sn) Atom % (S) Atom % (O) S/sn Ratiomentioning

confidence: 53%

“…This excellent carrier mobility, due to the unique directionality in 2-D materials, and the narrow bandgap renders them as promising electrocatalysts for HER. Among the MS, SnS and related compounds appear to hold high potential for applications in HER [11,12]. The layer stacking and structural multiformity of SnS (ex: SnS, SnS 2 , Sn 2 S 3 , and Sn 3 S 4 ) significantly enhance both the catalytic activity and electrical conductivity.…”

Section: Introductionmentioning

confidence: 99%

“…SnS is a IV-VI group compound and the constituent elements are earth abundant and non-toxic, and so has attracted significant attention recently. Until now, the most common applications of SnS include Li-batteries [13], photovoltaic cells [14], photocatalysts [11], and electrocatalysts [12,15]. However, the low effective carrier density, Fermi pinning by the surface states of the electrode and electrolyte, carrier recombination at the boundaries by small grain sizes, and defects leading to carrier recombination at the junction have obstructed the HER efficiency of sulfides [16][17][18].…”

Section: Introductionmentioning

confidence: 99%

“…In response, efforts have been undertaken to enhance the surface conductivity/HER efficiency of MS via the addition of carbon-based materials [4,12], doping with various elements [7,19], surface modification [20,21], and surface plasma treatment techniques [22][23][24][25][26][27]. Efficiencies can also be enhanced by creating exposed active sites on the surface that can facilitate charge transfer.…”

Section: Introductionmentioning

confidence: 99%

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Atmospheric Air Plasma Treated SnS Films: An Efficient Electrocatalyst for HER

et al. 2018

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Here, we demonstrate the enhanced water-splitting performance (I = 10 mA/cm2, Tafel slope = 60 mV/dec, onset potential = −80 mV) of atmospheric air plasma treated (AAPT) SnS thin films by the hydrogen evolution reaction (HER). The as prepared SnS films were subjected to Atmospheric Air Plasma Treatment (AAPT) which leads to formation of additional phases of Sn and SnO2 at plasma powers of 150 W and 250 W, respectively. The AAPT treatment at 150 W leads to the evaporation of the S atoms as SO2 generates a number of S-vacancies and Sn active edge sites over the surface of the SnS thin film. S-vacancies also create Sn active edge sites, surface p-type pinning that tunes the suitable band positions, and a hydrophilic surface which is beneficial for hydrogen adsorption/desorption. At high plasma power (250 W), the surface of the SnS films becomes oxidized and degrades the HER performance. These results demonstrate that AAPT (150 W) is capable of improving the HER performance of SnS thin films and our results indicate that SnS thin films can work as efficient electrocatalysts for HER.

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Section: Sample Name Vbm Atom % (Sn) Atom % (S) Atom % (O) S/sn Ratiomentioning

confidence: 53%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Atmospheric Air Plasma Treated SnS Films: An Efficient Electrocatalyst for HER

et al. 2018

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“…[6][7][8][9] Carbon-based materials, such as graphene, carbon nanotubes, and amorphous carbon,h ave also been explored as viable catalysts for HER. [10][11][12][13][14][15][16][17][18] However,t heir activitiesh ave remainedm arkedly lower than that of state-of-the art Pt/C.…”

Section: Introductionmentioning

confidence: 99%

Ruthenium Ion‐Complexed Graphitic Carbon Nitride Nanosheets Supported on Reduced Graphene Oxide as High‐Performance Catalysts for Electrochemical Hydrogen Evolution

et al. 2017

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Invited for this month′s cover is the group of Prof. Dr. Shaowei Chen at the University of California, Santa Cruz. Based on the Chinese legend of Niulang ( ) and Zhinü ( ), the image shows a hybrid consisting of reduced graphene oxide and ruthenium ions‐complexed graphitic carbon nitride nanosheets that can serve as effective catalysts toward the hydrogen evolution reaction. The Full Paper itself is available at 10.1002/cssc.201701880.

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2D Transition Metal Dichalcogenides‐Based Electrocatalysts for Hydrogen Evolution Reaction

Mondal

Vomiero

2022

Adv Funct Materials

131

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Hydrogen is an efficient, clean, and economical energy source, owing to its huge energy density. Electrochemical water splitting is a potential candidate for inexpensive and eco-friendly hydrogen production. Recently, the development of 2D transition metal chalcogenides (TMDs) nanomaterials with a variety of physicochemical properties has shown their potential as eminent non-noble metal-based nanoscale electrocatalysts for hydrogen evolution. Nanostructuring such materials induces deep modification of their functionalities, compared to their bulk counterparts. High density of different types of exposed active sites is formed, and the small diffusion paths, which enhances the electron transfer in the 2D structures, can successfully aid the charge collection process in the electrocatalytic hydrogen evolution reactions. In this review, the key parameters to improve the catalyst performance of 2D TMDs in electrochemical hydrogen evolution reaction (HER) processes are discussed in detail and the most recent developments in the field are summarized, focusing on the improvement of the electrocatalytic activity of 2D TMDs. This review delivers deep insight for the clear understanding of the potential of 2D TMDs nanoscale materials as electrocatalysts for HER, suggesting the development of new type of catalyst with efficient activity in HER as well as other renewable energy fields.

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Nanostructured SnS-N-doped graphene as an advanced electrocatalyst for the hydrogen evolution reaction

Cited by 82 publications

References 29 publications

Atmospheric Air Plasma Treated SnS Films: An Efficient Electrocatalyst for HER

Atmospheric Air Plasma Treated SnS Films: An Efficient Electrocatalyst for HER

Ruthenium Ion‐Complexed Graphitic Carbon Nitride Nanosheets Supported on Reduced Graphene Oxide as High‐Performance Catalysts for Electrochemical Hydrogen Evolution

2D Transition Metal Dichalcogenides‐Based Electrocatalysts for Hydrogen Evolution Reaction

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