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An electrocatalyst is needed to efficiently lower the reaction barriers to produce hydrogen through the H2 evolution reaction (HER). Recently, two-dimensional transition metal dichalcogenides (2D TMDs), such as the pure 2D monolayer MoTe2…

Materials Science · Physics 2024-04-24 Vikash Kumar , Srimanta Pakhira

Hydrogen is a promising energy carrier and key agent for many industrial chemical processes1. One method for generating hydrogen sustainably is via the hydrogen evolution reaction (HER), in which electrochemical reduction of protons is…

Earth-abundant two-dimensional (2D) pristine transition metal dichalcogenides (TMDs) have emerged as a superlative class of materials for several applications in electronic devices, energy storage devices, gas sensing, etc., and they have…

Materials Science · Physics 2021-06-29 Joy Ekka , Shrish Nath Upadhyay , Verma Bunty Sardar , Srimanta Pakhira

Now-a-days, the development of clean and green energy sources is the prior interest of research due to increasing global energy demand and extensive usage of fossil fuels that create pollutants. Hydrogen has the highest energy density by…

Materials Science · Physics 2023-06-28 Vikash Kumar , Shrish Nath Upadhyay , Dikeshwar Halba , Srimanta Pakhira

Transition-metal-based layered double hydroxides (TM-LDHs) nanosheets are promising electrocatalysts in the renewable electrochemical energy conversion system, which are regarded as alternatives to noble metal-based materials. In this…

Applied Physics · Physics 2024-03-26 Yuchen Wang , Man Zhang , Yaoyu Liu , Zhikeng Zheng , Biying Liu , Meng Chen , Guoqing Guan , Kai Yan

H$_2$ evolution reaction (HER) requires an electrocatalyst to reduce the reaction barriers for the efficient production of H$_2$. Platinum-group metal (PGM) elements such as Pt, Pd, etc. and their derivatives show excellent electrocatalytic…

Materials Science · Physics 2022-09-16 Srimanta Pakhira , Vikash Kumar

Development of cost-effective hydrogen evolution reaction (HER) catalysts with outstanding catalytic activity, replacing cost-prohibitive noble metal-based catalysts, is critical for practical green hydrogen production. A popular strategy…

Chemical activation of the intrinsically inert basal planes of transition metal dichalcogenides (TMDs) is crucial for developing high-efficiency electrocatalysts for energy technology applications. Here we report the discovery of an…

Two-dimensional transition metal dichalcogenides are among the most promising materials for water-splitting catalysts. While a variety of methods have been applied to promote the hydrogen evolution reaction on the transition metal…

Materials Science · Physics 2023-06-16 Sangjin Lee , Sujin Lee , Chaewon Kim , Young-Kyu Han

Recently, topological quantum materials have emerged as a promising electrocatalyst for hydrogen evolution reaction (HER). However, most of their performance largely lags behind noble metals such as benchmark platinum (Pt). In this work, a…

Materials Science · Physics 2022-09-02 Qing Qu , Bin Liu , Wing Sum Lau , Ding Pan , Iam Keong Sou

The ability to efficiently evolve hydrogen via electrocatalysis at low overpotentials holds tremendous promise for clean energy. Hydrogen evolution reaction (HER) can be easily achieved from water if a voltage above the thermodynamic…

TMDs are a new family of 2D materials with features that make them appealing for potential applications in nanomaterials science and engineering. Although, the edges of the 2D TMDs show excellent electrocatalytic performance, their basal…

Materials Science · Physics 2022-09-20 Shrish Nath Upadhyay , Srimanta Pakhira

Molybdenum Disulfide (MoS$_2$) has been recognized as a potential substitution of Platinum (Pt) for electrochemical hydrogen evolution reaction (HER). However, the broad adoption of MoS$_2$ is hindered by its limited number of active sites…

Chemical Physics · Physics 2021-09-27 Sichen Wei , Yu Fu , Huamin Li , Fei Yao

Photocatalytic water splitting offers a viable and sustainable method for hydrogen production. MXenes, a class of 2D transition-metal carbides/nitrides, have emerged as potential photocatalysts and co-catalysts due to their tunable…

Materials Science · Physics 2025-06-17 C. B. Subba , Prasad Mattipally , J. Sivakumar , A. Laref , A. Yvaz , D. P. Rai , Z. Pachuau

Hydrogen is considered an alternative source of energy to fossil fuels for the fulfilment of current energy demands. Photocatalysis initiates the hydrogen evolution reaction which is believed to be the greenest approach to produce hydrogen…

The development of active catalysts for hydrogen evolution reaction (HER) made from low-cost materials constitutes a crucial challenge in the utilization of hydrogen energy. Earth-abundant molybdenum disulfide (MoS$_2$) has been discovered…

Materials Science · Physics 2021-09-23 S. Wei , S. Baek , H. Yue , S. Yun , S. Park , Y. Lee , J. Zhao , H. Li , K. Reyes , F. Yao

Clean hydrogen production through efficient and cost-effective electrochemical water splitting is highly promising to meeting future global energy demands. The design of Earth-abundant materials with both high activity for hydrogen…

Two-dimensional (2D) monolayer pristine MoS$_2$ transition metal dichalcogenide (TMD) is the most studied material because of its promising aspects as nonprecious electrocatalyst for hydrogen evolution reaction (HER). Previous studies have…

Materials Science · Physics 2022-06-22 Joy Ekka , Shrish Nath Upadhyay , Frerich J. Keil , Srimanta Pakhira

Transition metal dichalcogenides (TMDs) are a branch of two-dimensional materials which in addition to having an easy-to-exfoliate layered structure, also host semiconducting, metallic, superconducting, and topological properties in various…

Superconductivity · Physics 2023-01-25 Suvodeep Paul , Saswata Talukdar , Ravi Shankar Singh , Surajit Saha

Hydrogen as the cleanest energy carrier is a promising alternative renewable resource to fossil fuels. There is an ever-increasing interest in exploring efficient and cost-effective approaches of hydrogen production. Recent experiments have…

Materials Science · Physics 2023-08-29 Zheng Shu , Yongqing Cai
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