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Related papers: Two-Dimensional $\beta$-PdX$_2$ (X = S, Te) Monola…

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Photocatalytic water splitting is a promising renewable energy source as an alternative for limited fossil fuels. The effectiveness of the conversion from solar energy to hydrogen fuel relies primarily on the material. Previously,…

Materials Science · Physics 2022-01-04 Celine Wu , Xuan Luo

Two-dimensional (2D) atomic crystals, such as graphene and atomically thin transition metal dichalcogenides (TMDCs), are currently receiving a lot of attention. They are crystalline, and thus of high material quality, even so, they can be…

Mesoscale and Nanoscale Physics · Physics 2014-03-11 Andreas Pospischil , Marco M. Furchi , Thomas Mueller

Semiconductor photocatalysis offers a sustainable route for converting solar energy into chemical energy, enabling the production of clean fuels and valuable chemical products. To this aim, we explore van der Waals heterostructures made up…

Materials Science · Physics 2025-10-13 Shivprasad S. Shastri , Antonio Cammarata , Tomas Polcar

The recent advent of two-dimensional monolayer materials with tunable optoelectronic properties and high carrier mobility offers renewed opportunities for efficient, ultra-thin excitonic solar cells alternative to those based on conjugated…

Mesoscale and Nanoscale Physics · Physics 2012-06-26 Marco Bernardi , Maurizia Palummo , Jeffrey C. Grossman

Transition metal dichalcogenides (TMDs) show great promise as absorber materials in high-specific-power (i.e. high-power-per-weight) solar cells, due to their high optical absorption, desirable band gaps, and self-passivated surfaces.…

Applied Physics · Physics 2023-12-25 Koosha Nassiri Nazif , Frederick U. Nitta , Alwin Daus , Krishna C. Saraswat , Eric Pop

With the rapid expansion of the Internet of Things (IoT), efficient and durable energy harvesters for powering IoT devices operating indoors and outdoors are imperative. Promising materials for indoor photovoltaic (PV) technologies include…

Materials Science · Physics 2025-05-28 Frederick U. Nitta , Koosha Nassiri Nazif , Eric Pop

Two-dimensional (2D) semiconductors offer a promising prospect for high-performance and energy-efficient devices especially in the sub-10 nm regime. Inspired by the successful fabrication of 2D $\beta$-TeO$_2$ and the high on/off ratio and…

Mesoscale and Nanoscale Physics · Physics 2022-02-17 Shiying Guo , Hengze Qu , Wenhan Zhou , Shengyuan A. Yang , Yee Sin Ang , Jing Lu , Haibo Zeng , Shengli Zhang

Two-dimensional (2D) materials have emerged as promising candidates as photocatalytic materials due to their large surface areas and tunable electronic properties. In this work, we systematically design and screen a series of…

Materials Science · Physics 2026-03-24 Shikai Chang , Dingyanyan Zhou , Yujin Ji , Mir F. Mousavi , Jian Xi , Youyong Li

In future solar cell technologies, the thermodynamic Shockley-Queisser limit for solar-to-current conversion in traditional p-n junctions could potentially be overcome with a bulk photovoltaic effect by creating an inversion broken symmetry…

Photocatalytic water splitting is an effective way to obtain renewable clean energy. The challenge is to design tunable photocatalyst to meet the needs in different environments. At the same time, the oxygen and hydrogen evolution reactions…

Materials Science · Physics 2022-09-12 Qi-Wen He , Yang Wu , Chun-Hua Yang , He-Na Zhang , Dai-Song Tang , Cailong Liu , Xiao-Chun Wang

Highly efficient and sustainable resources of energy are of great demand today to combat with environmental pollution and the energy crisis. In this work, we have examined the novel 2D Janus AsTeX (X = Cl, Br and I) monolayers using…

Materials Science · Physics 2023-05-22 Poonam Chauhan , Jaspreet Singh , Ashok Kumar

Semiconducting transition metal dichalcogenides (TMDs) are promising for high-specific-power photovoltaics due to desirable band gaps, high absorption coefficients, and ideally dangling-bond-free surfaces. Despite their potential, the…

Two dimensional (2D) semiconducting light absorbers, have recently considered as promising components to improve the efficiency in the photocatalytic hydrogen production via water splitting. In this work, by employing density functional…

Materials Science · Physics 2021-09-07 Fazel Shojaei , Bohayra Mortazavi , Xiaoying Zhuang , Maryam Azizi

Two-dimensional (2D) $\beta$-TeO$_2$ has gained attention as a promising material for optoelectronic and power device applications, thanks to its transparency and high hole mobility. However, the underlying mechanism behind its $p$-type…

Mesoscale and Nanoscale Physics · Physics 2025-01-08 Rafael Costa-Amaral , Soungmin Bae , Vu Thi Ngoc Huyen , Yu Kumagai

By means of the first-principles density functional theory (DFT), I2-II-IV-VI4 type Cu-based quaternary chalcogenides Cu 2 XSiS 4 (X = Ge, Sn, and Pb) have been thoroughly investigated. We report the study of Ge and Sn substitution in the…

Materials Science · Physics 2025-09-26 H. Laltlanmawii , L. Celestine , R. Zosiamliana , B. Chettri , S. Bhattarai , K. C. Bhamu , D. P. Rai

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

Graphene like 2D materials have attracted tremendous attention in the field of photocatalytic water splitting. Indium Selenide (InSe) is one such potential material. Here, we report the effect of Tellurium on InSe monolayer for the…

Materials Science · Physics 2016-10-04 M. R. Ashwin Kishore , P. Ravindran

Recently, atomically thin PdSe$_2$ semiconductors with rare pentagonal Se-Pd-Se monolayers were synthesized and were also found to possess superior properties such as ultrahigh air stability, and high carrier mobility, thus offering a new…

Materials Science · Physics 2021-09-21 Vijay Kumar Gudelli , Guang-Yu Guo

Very recently, the two-dimensional (2D) form of MoSi2N4 has been successfully fabricated [Hong et al., Sci. 369, 670 (2020)]. Motivated by theses recent experimental results, herein we investigate the structural, mechanical, thermal,…

Materials Science · Physics 2021-05-24 A. Bafekry , M. Faraji , Do M. Hoat , M. M. Fadlallah , M. Shahrokhi , F. Shojaei , D. Gogova , M. Ghergherehchi

Low-symmetry Penta-PdPSe with intrinsic in-plane anisotropy synthesized successfully [(P. Li et al., Adv. Mater., 2102541, (2021)]. Motivated by this experimental discovery, we investigate the structural, mechanical, electronic, optical and…