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Large-area ($\sim$cm$^2$) films of vertical heterostructures formed by alternating graphene and transition-metal dichalcogenide(TMD) alloys are obtained by wet chemical routes followed by a thermal treatment at low temperature (300…

The development of noble-metal free electrocatalysts is of high importance for clean energy conversion applications. MoS$_2$ has been considered as a promising low cost catalyst for the hydrogen evolution reaction (HER), however its…

Hydrogen is a promising energy carrier for replacing fossil fuels, and hydrogen production via hydrogen evolution reaction (HER) is an environmentally friendly option if electrocatalysts with low overpotentials and long-term stability are…

The catalytic properties of Pt2XSe3 (X = Hg, Zn) in hydrogen-electrode- (HER-) based catalysts have been investigated based on state-of-the-art ab initio simulations. Our results show that the late transition metal sites (Hg and Zn) exhibit…

Materials Science · Physics 2025-05-27 Caique C. Oliveira , Pedro A. S. Autreto

The development of efficient and cost-effective catalysts for clean energy conversion remains a central challenge in materials science. Although platinum serves as the benchmark catalyst, its scarcity and high cost hinder large-scale…

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…

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

High overpotentials, particularly an issue of common anode materials, hamper the process of water electrolysis for clean energy generation. Thanks to immense research efforts up to date oxygen evolution electrocatalysts based on…

The quantitative correlation of the catalytic activity with microscopic structure of heterogeneous catalysts is a major challenge for the field of catalysis science. It requests synergistic capabilities to tailor the structure with atomic…

Materials Science · Physics 2015-06-17 Yifei Yu , Shengyang Huang , Yanpeng Li , Stephan Steinmann , Weitao Yang , Linyou Cao

Materials carrying topological surface states (TSS) provide a fascinating platform for the hydrogen evolution reaction (HER). Based on systematic first-principles calculations for $A_3 B$ ($A$ = Ni, Pd, Pt; $B$ = Si, Ge, Sn), we propose…

Materials Science · Physics 2024-09-09 Ming-Chun Jiang , Guang-Yu Guo , Motoaki Hirayama , Tonghua Yu , Takuya Nomoto , Ryotaro Arita

The hybrid nanostructures of nitrogen doped carbon materials and nonprecious transition metals are among the most promising electrocatalysts to replace noble metal catalysts for renewable energy applications. However, the fundamental…

Materials Science · Physics 2018-05-14 Wei Pei , Si Zhou , Yizhen Bai , Jijun Zhao

Platinum, to date, is the most widely applied electrocatalyst for hydrogen evolution reaction (HER) in acidic media. It is assumed to be a proton-blocking catalyst with only surface-limited adsorption of the reaction intermediates. Here, we…

Chemical Physics · Physics 2025-10-13 Aparna Saksena , Yujun Zhao , J. Manoj Prabhakar , Dierk Raabe , Baptiste Gault , Yug Joshi

Active and reliable electrocatalysts are fundamental to renewable energy technologies. PdCoO2 has recently been recognized as a promising catalyst template for the hydrogen evolution reaction (HER) in acidic media thanks to the formation of…

Molecular hydrogen (H$_2$) production by electrochemical hydrogen evolution reaction (HER) is being actively explored for non-precious-metal based electrocatalysts that are earth-abundant and low cost like MoS$_2$. Although it is…

Materials Science · Physics 2022-08-18 Arunima Singh , Preeti Bhumla , Manjari Jain , Saswata Bhattacharya

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

Laterally nanostructured surfaces give rise to a new dimension of understanding and improving electrochemical reactions. In this study, we present a peculiar mechanism appearing at a metal/insulator interface, which can significantly…

Low-dimensional transition metal dichalcogenides (TMDC) exhibit great photocatalytic performance and tunability. In this work, using first-principles simulations based on density functional theory (DFT), we demonstrate that external…

Materials Science · Physics 2022-10-06 Zhao Liu , Biao Wang , Claudio Cazorla

The objective of our research is to investigate the electrocatalytic properties of novel metal-free quantum dots (QDs) composed of the recently discovered 2D material penta-CN2, with the aim of replacing costly and scarce catalysts such as…

Materials Science · Physics 2024-04-19 Rupali Jindal , Rachana Yogi , Alok Shukla

Electrocatalytic hydrogen evolution reaction (HER) in alkaline media is a promising electrochemical energy conversion strategy. Ruthenium (Ru) is an efficient catalyst with a desirable cost for HER, however, the sluggish H2O dissociation…

Designing efficient, metal free, and in-expensive catalyst for electrochemical hydrogen evolution reaction (HER) is crucial for large scale clean and green energy production. Recently synthesized 1D Biphenylene nanoribbons (BPRs) display…

Materials Science · Physics 2024-05-29 Radha N Somaiya , Zicong Marvin Wong , Brahmananda Chakraborty , Teck Leong Tan , Aftab Alam