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Large scale implementation of electrochemical water splitting for hydrogen evolution requires cheap and efficient catalysts to replace expensive platinum. Molybdenum disulfide is one of the most promising alternative catalysts but its…

Recently, 2D JTMDs with asymmetric electronic structures are inviting an intense research interest in modern science and technology. Using the first principles-based periodic hybrid dispersion-corrected Density Functional Theory (DFT-D)…

材料科学 · 物理学 2022-09-16 Srimanta Pakhira , Shrish Nath Upadhyay

Synthesis of monolayer MoS2 is essential for fulfilling the potential of MoS2 in catalysis, optoelectronics and valleytronics, etc. Herein, we report for the first time the scalable growth of high quality, domain size tunable (edge length…

High electronic transport and reasonable chemical stability of molybdenum disulfide (MoS$_2$) make it very suitable for electrochemical applications. However, its energy storage capacity is still low compared with other nanostructures. In…

应用物理 · 物理学 2022-08-19 Marzieh Rashidi , Foad Ghasemi

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…

Two-dimensional (2D) molybdenum disulfide (MoS2) has attracted significant attention because of its outstanding properties, suitable for application in several critical technologies like, solar cells, photocatalysis, lithium-ion batteries,…

MoS2 nanostructures are promising catalysts for proton-exchange-membrane (PEM) electrolyzers to replace expensive noble metals. Their broadscale application demands high activity for the hydrogen evolution reaction (HER) as well as robust…

Novel member of polymetalloporphines, namely manganese polymetalloporphine of type I (pMnP-I) obtained by ion exchange from magnesium polyporphine of type I (pMgP-I) is reported for the first time and compared to its cobalt analogue…

Layered transition-metal dichalcogenides have emerged as exciting material systems with atomically thin geometries and unique electronic properties. Pressure is a powerful tool for continuously tuning their crystal and electronic structures…

Overall, the MoSx system has shown greater catalytic activity over the traditional MoS2 based systems due to the absence of discrete basal plane, and differing structural arrangements. This increases the overall catalytic site density…

材料科学 · 物理学 2025-01-28 Lee Kendall , Giovanni Zangari , Stephen McDonnell

The monolayer transition metal dichalcogenides have recently attracted much attention owing to their potential in valleytronics, flexible and low-power electronics and optoelectronic devices. Recent reports have demonstrated the growth of…

The search for highly efficient and low-cost catalysts based on earth abundant elements is one of the main driving forces in organic and inorganic chemistry. Current strategies for the heterogeneous catalyst design focus on increasing the…

材料科学 · 物理学 2021-11-24 Yang Zhang , Claudia Felser , Liang Fu

Molybdenum disulfide (MoS2) is a highly attractive 2D material due to its interesting electronic properties. Recent experimental advances confirm the possibility of further tuning the electronic properties of MoS2 through the fabrication of…

材料科学 · 物理学 2017-04-17 B Mortazavi , A Ostadhossein , T Rabczuk , ACT van Duin

Lateral heterostructures of 2D transition metal dichalcogenide offer a powerful platform to investigate photonic and electronic phenomena at atomically sharp interfaces. However, their controlled engineering, including tuning lateral domain…

Advanced materials for electrocatalytic and photoelectrochemical water splitting are central to the area of renewable energy. Here, we developed a solvothermal synthesis of MoS2 nanoparticles selectively on reduced graphene oxide (RGO)…

材料科学 · 物理学 2011-04-18 Yanguang Li , Hailiang Wang , Liming Xie , Yongye Liang , Guosong Hong , Hongjie Dai

Monolayer transition metal dichalcogenides recently emerge as a new family of two-dimensional material potentially suitable for numerous applications in electronic and optoelectronic devices due to the presence of finite band gap. Many…

材料科学 · 物理学 2014-01-21 Yongqing Cai , Zhaoqiang Bai , Hui Pan , Yuan Ping Feng , Boris I. Yakobson , Yong-Wei Zhang

Efficient and selective CO2 electroreduction into value-added chemicals and fuels emerged as a significant approach for CO2 conversion, however, it relies on catalysts with controllable product selectivity and reaction paths. In this work,…

介观与纳米尺度物理 · 物理学 2022-10-26 Wei Xun , Xiao Yang , Qing-Song Jiang , Ming-Jun Wang , Yin-Zhong Wu , Ping Li

The low concentration of proton donors in alkaline HER, subsequently leading to the extra water adsorption and dissociation steps, identifies the value of active sites (edge and basal sites) and crystal phases in lowering the extra…

材料科学 · 物理学 2021-10-05 Zhexu Xi

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…

材料科学 · 物理学 2022-08-18 Arunima Singh , Preeti Bhumla , Manjari Jain , Saswata Bhattacharya

Monolayer films of transition metal dichalcogenides (in particular, MoS2, MoSe2, WS2, and WSe2) can be considered as ideal systems for the studies of high-temperature electron-hole liquids. The quasi-two-dimensional nature of electrons and…

介观与纳米尺度物理 · 物理学 2020-05-12 P. L. Pekh , P. V. Ratnikov , A. P. Silin