Mo2TiC2/WSe2 nanoarchitectures: in situ grown nanoflowers for efficient hydrogen electrocatalysis
Antonia Kagkoura, Sergii A. Sergiienko, Anastasios Papavasileiou, Jan Luxa, Zhongquan Liao, Zdeněk Sofer
TL;DR
This paper introduces a new hybrid material combining Mo2TiC2 and WSe2 to improve hydrogen production through electrocatalysis.
Contribution
The study presents a one-step method to create a Mo2TiC2/WSe2 hybrid with strong interfacial coupling for efficient hydrogen evolution.
Findings
The hybrid shows low overpotential and fast charge transfer for hydrogen evolution.
It demonstrates excellent long-term stability compared to individual components.
The one-step hydrothermal method simplifies the synthesis of the hybrid structure.
Abstract
The combination of 2D materials provides a powerful strategy to enhance electrocatalytic hydrogen evolution. Efficient hydrogen electrocatalysis is achieved by interfacing conductive Mo2TiC2 MXene with catalytic WSe2 nanoflowers via a one-step hydrothermal route. The hybrid exhibits low overpotential, fast charge transfer, and long-term stability, outperforming pristine components and establishing Mo2TiC2/WSe2 as a promising hydrogen evolution reaction platform. A straightforward solvothermal route yields a Mo2TiC2/WSe2 hybrid with strong interfacial coupling, delivering enhanced HER activity and excellent long-term stability.
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Taxonomy
TopicsMXene and MAX Phase Materials · Electrocatalysts for Energy Conversion · Ammonia Synthesis and Nitrogen Reduction