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In this study, we address the significant challenge of overcoming limitations in catalytic efficiency for the oxygen evolution reaction (OER). The current linear scaling relationships hinder the optimization of electrocatalytic performance.…

Materials Science · Physics 2023-06-06 Swetarekha Ram , Gwan Hyun Choi , Albert S. Lee , Seung-Cheol Lee , Satadeep Bhattacharjee

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

Two-dimensional (2D) materials, such as transition metal dichalcogenides (TMDCs) in the 2H or 1T crystal phases, are promising (electro)catalyst candidates due to their high surface to volume ratio and composition of low-cost, abundant…

Materials Science · Physics 2025-02-11 Mohammad Amin Akhound , Karsten Wedel Jacobsen , Kristian Sommer Thygesen

Ferroelectricity and metallicity cannot coexist due to the screening effect of conducting electrons, and a large number of stable monolayers with 1T/1T$^{\prime}$ phase lack spontaneous polarization due to inversion symmetry. In this work,…

Materials Science · Physics 2023-09-26 Haohao Sheng , Zhong Fang , Zhijun Wang

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

The recent synthesis of Goldene, a 2D sheet of gold exfoliated from $Ti_3AuC_2$, offers high specific surface area (~260 $m^2g^{-1}$), roughly twice that of fine nanodots (~100 $m^2g^{-1}$), and unique electronic properties due to its dense…

Materials Science · Physics 2025-12-30 Ashutosh Krishna Amaram , Aaditya Roy , Raghavan Ranganathan

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

Rate theory and DFT calculations of hydrogen evolution reaction (HER) on MoS2 with Co, Ni and Pt impurities show the significance of dihydrogen (H2*) complex where both hydrogen atoms are interacting with the surface. Stabilization of such…

Materials Science · Physics 2024-09-05 Sander Ø. Hanslin , Hannes Jónsson , Jaakko Akola

In the last few years, interest in monomolecular layers of transition metal dichalcogenides (TMDs) has been driven by their unusual electronic and optical properties, which are very attractive for designing functional elements of new…

Mesoscale and Nanoscale Physics · Physics 2021-12-08 P. L. Pekh , P. V. Ratnikov , A. P. Silin

Metal-organic frameworks (MOFs) provide a versatile and tailorable material platform that embody many desirable attributes for photocatalytic water-splitting. The approach taken in this study was to use Density Functional Theory (DFT) to…

Chemical Physics · Physics 2015-10-19 Terence Musho , Jiangtan Li , Nianqiang Wu

We review some of the relevant physical properties of the transition metal mono-silicides with the FeSi structure (CrSi, MnSi, FeSi, CoSi, NiSi, etc) and explore the relation between their structural characteristics and the electronic…

Strongly Correlated Electrons · Physics 2009-10-30 D. van der Marel , A. Damascelli , K. Schulte , A. A. Menovsky

The reduction reaction of turning Cr(VI) into Cr(III) by appropriate oxidants together with nanoscale catalysts in contaminated soil and water received significant amount of attention for its environmental benefits. Single-atom catalysts…

Chemical Physics · Physics 2022-09-20 Jianglu Ping , Haojun Jia

The transition metal selenides (MxSey) have gained attention for their unique physical and chemical properties, especially those associated with the transition metal (M). Despite advancements in synthesis, fabricating these selenides is…

Materials Science · Physics 2025-01-28 Monika Ghalawat , Inderjeet Chauhan , Dinesh Singh , Chinnakonda S. Gopinath , Pankaj Poddar

Electrochemical reactions for hydrogen and hydrogen peroxide production are essential for energy conversion to diminish energy crisis, but still lack efficient electrocatalysts. Development of non\-noble metal bifunctional electrocatalysts…

Materials Science · Physics 2023-05-02 Antonia Kagkoura , Christina Stangel , Raul Arenal , Nikos Tagmatarchis

To enrich and enhance the diversity of the \textsc{quest} database of highly-accurate excitation energies [\href{https://doi.org/10.1002/wcms.1517}{V\'eril \textit{et al.}, \textit{WIREs Comput.~Mol.~Sci.}~\textbf{11}, e1517 (2021)}], we…

The high-throughput scalable production of cheap, efficient and durable electrocatalysts that work well at high current densities demanded by industry is a great challenge for the large-scale implementation of electrochemical technologies.…

Applied Physics · Physics 2020-08-26 Chi Zhang , Yuting Luo , Junyang Tan , Fengning Yang , Zhiyuan Zhang , Liusi Yang , Hui-Ming Cheng , Bilu Liu

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…

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

Energy- and resource-efficient electrocatalytic water splitting is of paramount importance to enable sustainable hydrogen production. The best bulk catalyst for the hydrogen evolution reaction (HER), i.e., platinum, is one of the scarcest…

Molybdenum disulfide (MoS2) has emerged as a promising, cost-effective catalyst for hydrogen production via water splitting. We investigate the structural and electrocatalytic properties of MoS2 thin films deposited on different substrates…