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d-Ti3C2 /MoS2 composite for Efficient Electrocatalytic Hydrogen Evolution

Author(s)
I. Ashraf Department of Chemistry, School of Natural Sciences (SNS), National University of Sciences and Technology (NUST), Islamabad, 44000, Pakistan.
S. Ahmad Department of Chemistry, School of Natural Sciences (SNS), National University of Sciences and Technology (NUST), Islamabad, 44000, Pakistan.
M. Iqbal Department of Chemistry, School of Natural Sciences (SNS), National University of Sciences and Technology (NUST), Islamabad, 44000, Pakistan.
Abstract
MXenes, a two-dimensional material, is an emerging research area. Herein, a d-Ti3C2 MXene was combined with MoS2 nanoballs to achieve better electrocatalytic performance for hydrogen evolution reaction (HER). The synthesized dTi3C2/MoS2 composite showed outstanding kinetic metrics for electrocatalytic HER, exhibiting a low overpotential of 45 mV at a current density of 10 mA/cm2 compared to d-Ti3C2 MXene (180 mV) and MoS2 nanoballs (140 mV). Longterm stability was verified for 24 h with a negligible loss in current density. The high electrocatalytic performance of dTi3C2/MoS2 composite is believed to be originated from a synergistic effect between d-Ti3C2 MXene and MoS2 nanoballs as well as high metallic conductivity of d-Ti3C2 MXene. It was concluded that the proposed synthesized composite provides insights for fabricating new cost-effective non-noble metal-based electrocatalysts with efficient water-splitting.
Publication Details
Page(s) 69-75
DOI 10.15228/2022.v12.i03-4.p09
Published Journal: Pakistan Journal of Chemistry, Volume: 12, Issue: 3--4, Year: 2022

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Keywords
cost-effective, water-splitting, d-Ti3C2 /MoS2 composite, MXenes, electrocatalytic performance
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