Mechanism of adsorption and gas-sensing of hazardous gases by MoS2 monolayer decorated by Pd  (n=1–4) clusters

Wu, Ping; Huang, Min

doi:10.1016/j.colsurfa.2024.134200

Colloids and Surfaces A: Physicochemical and Engineering Aspect

2024

DOI: 10.1016/j.colsurfa.2024.134200

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Mechanism of adsorption and gas-sensing of hazardous gases by MoS2 monolayer decorated by Pd (n=1–4) clusters

Ping Wu,

Min Huang

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Cited by 3 publications

References 66 publications

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Adsorption and gas sensing properties of nCuO (n = 1, 2) doped WTe2 for discharge faults gases (CO, C2H2, CH4) in power transformers: A DFT study

Wang,

Tong,

Zeng

et al. 2024

Computational and Theoretical Chemistry

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Adsorption and gas sensing properties of nCuO (n = 1, 2) doped WTe2 for discharge faults gases (CO, C2H2, CH4) in power transformers: A DFT study

Wang,

Tong,

Zeng

et al. 2024

Computational and Theoretical Chemistry

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First principle investigation on gas sensing properties of MoS2/ZnO heterojunction

Gao,

Miao

et al. 2024

Microchemical Journal

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Exploring the Capability of Cu-MoS2 Catalysts for Use in Electrocatalytic Overall Water Splitting

Teli,

Mishra,

Shin

et al. 2024

Micromachines

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Herein, we prepare MoS2 and Cu-MoS2 catalysts using the solvothermal method, a widely accepted technique for electrocatalytic overall water-splitting applications. TEM and SEM images, standard tools in materials science, provide a clear view of the morphology of Cu-MoS2. HRTEM analysis, a high-resolution imaging technique, confirms the lattice spacing, lattice plane, and crystal structure of Cu-MoS2. HAADF and corresponding color mapping and advanced imaging techniques reveal the existence of the Cu-doping, Mo, and S elements in Cu-MoS2. Notably, Cu plays a crucial role in improving the hydrogen evolution reaction (HER) and oxygen evolution reaction (OER) of the Cu-MoS2 catalyst as compared with the MoS2 catalyst. In addition, the Cu-MoS2 catalyst demonstrates significantly lower overpotential (167.7 mV and 290 mV) and Tafel slopes (121.5 mV dec−1 and 101.5 mV dec−1), standing at −10 mA cm−2 and 10 mA cm−2 for HER and OER, respectively, compared to the MoS2 catalyst. Additionally, the Cu-MoS2 catalyst displays outstanding stability for 12 h at −10 mA cm−2 of HER and 12 h at 10 mA cm−2 of OER using chronopotentiaometry. Interestingly, the Cu-MoS2‖Cu-MoS2 cell displays a lower cell potential of 1.69 V compared with the MoS2‖MoS2 cell of 1.81 V during overall water splitting. Moreover, the Cu-MoS2‖Cu-MoS2 cell shows excellent stability when using chronopotentiaometry for 18 h at 10 mA cm−2.

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Mechanism of adsorption and gas-sensing of hazardous gases by MoS2 monolayer decorated by Pd (n=1–4) clusters

Cited by 3 publications

References 66 publications

Adsorption and gas sensing properties of nCuO (n = 1, 2) doped WTe2 for discharge faults gases (CO, C2H2, CH4) in power transformers: A DFT study

Adsorption and gas sensing properties of nCuO (n = 1, 2) doped WTe2 for discharge faults gases (CO, C2H2, CH4) in power transformers: A DFT study

First principle investigation on gas sensing properties of MoS2/ZnO heterojunction

Exploring the Capability of Cu-MoS2 Catalysts for Use in Electrocatalytic Overall Water Splitting

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