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相关论文: Design of Phosphorene for Hydrogen Evolution Perfo…

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We study collective plasmon excitations and screening of disordered single- and bilayer black phosphorus beyond the low energy continuum approximation. The dynamical polarizability of phosphorene is computed using a tight-binding model that…

介观与纳米尺度物理 · 物理学 2015-09-30 Fengping Jin , Rafael Roldán , Mikhail I. Katsnelson , Shengjun Yuan

Creating superior lanthanide-activated inorganic phosphors is pivotal for advancing energy-efficient LED lighting and backlit flat panel displays. The most fundamental property these luminescent materials must possess is effective…

Functionalization of atomically thin nanomaterials enables the tailoring of their chemical, optical, and electronic properties. Exfoliated black phosphorus, a layered two-dimensional semiconductor exhibiting favorable charge carrier…

We explore the oxidation of a single layer of black phosphorous using ab initio density functional theory calculation. We search for the equilibrium structures of phosphorene oxides, PO$_x$ with various oxygen concentrations $x$…

材料科学 · 物理学 2020-07-22 Seoung-Hun Kang , Jejune Park , Sungjong Woo , Young-Kyun Kwon

Hydrogen-rich matter has been added to a CO white dwarf of initial mass 0.516 \msun at the rates $10^{-8}$ and $2\times 10^{-8}$ \msun \yrm1, and results are compared with those for a white dwarf of the same initial mass which accretes pure…

天体物理学 · 物理学 2009-10-31 L. Piersanti , S. Cassisi , I. Iben , A. Tornambe'

My study is about Halide Perovskites (HaPs) and focuses the fundamental structural, chemical and dielectric properties of HaPs in reference to their PV-related properties. * I present my main research model: HaP single-crystals - their…

材料科学 · 物理学 2018-10-01 Yevgeny Rakita , David Cahen , Gary Hodes

We characterize the single-electron energies and the wavefunction structure of arrays with two, three, and four phosphorus atoms in silicon by implementing atomistic tight-binding calculations and analyzing wavefunction overlaps to identify…

量子物理 · 物理学 2024-03-01 Maicol A. Ochoa , Keyi Liu , Michał Zieliński , Garnett W. Bryant

Monolayer phosphorene provides a unique two-dimensional (2D) platform to investigate the fundamental dynamics of excitons and trions (charged excitons) in reduced dimensions. However, owing to its high instability, unambiguous…

材料科学 · 物理学 2015-04-30 Jiong Yang , Renjing Xu , Jiajie Pei , Ye Win Myint , Fan Wang , Zhu Wang , Shuang Zhang , Zongfu Yu , Yuerui Lu

Vertical integration of two-dimensional materials has recently emerged as an exciting method for the design of novel electronic and optoelectronic devices. Using density functional theory, we investigatethe structural and electronic…

材料科学 · 物理学 2015-06-25 Yongqing Cai , Gang Zhang , Yong-Wei Zhang

Hydrogenated amorphous silicon (a-Si:H) has had a long standing role as a passivating dielectric for c-Si, often utilized in the early development of ICs and more recently for Si solar cells. Although it has been studied for more than 60…

材料科学 · 物理学 2025-01-14 Andrew Diggs , Zitong Zhao , Adam Goga , Zachary Crawford , Gergely T. Zimanyi

High harmonic generation (HHG) is a widely explored process in solids, where intense lasers drive attosecond-to-femtosecond electron dynamics within bands, causing high-energy emission. While electrons and photons are considered the main…

光学 · 物理学 2026-04-28 Adam Herling , Ofer Neufeld

The application of strain to 2D materials allows manipulating the electronic, magnetic, and thermoelectric properties. These physical properties are sensitive to slight variations induced by tensile and compressive strain and to the…

材料科学 · 物理学 2023-06-14 J. W. González

Using a simple LCAO model by Harrison, we have qualitatively studied the edge state of bilayer phosphorene, which is a unit structure of the layered crystal of black phosphorus. This model successfully reproduces the isolated edge state in…

介观与纳米尺度物理 · 物理学 2014-12-11 Toshihito Osada

An effective method for increasing the electrocatalytic activity of metallic glasses (MGs) in hydrogen evolution reaction (HER) is reported. This method applies a noble metal hybridization strategy to design a highly reactive catalyst for…

材料科学 · 物理学 2022-03-14 Peng Zou , Bowen Zang , Lijian Song , Juntao Huo , Jun-Qiang Wang

This study presents a three-dimensional electrode for hydrogen evolution reaction (HER), tackling challenges in corrosion resistance, catalytic activity, and durability. The electrode features a rod-connected diamond structure made of…

Phosphorene is a new family member of two-dimensional materials. We observed strong and highly layer-dependent photoluminescence in few-layer phosphorene (2 to 5 layers). The results confirmed the theoretical prediction that few-layer…

介观与纳米尺度物理 · 物理学 2014-09-05 Shuang Zhang , Jiong Yang , Renjing Xu , Fan Wang , Weifeng Li , Muhammad Ghufran , Yong-wei Zhang , Zongfu Yu , Gang Zhang , Qinghua Qin , Yuerui Lu

Holey graphyne (HGY) is a recently synthesized two-dimensional semiconducting allotrope of carbon composed of a regular pattern of six and eight-vertex carbon rings. In this study, based on first-principles density functional theory and…

材料科学 · 物理学 2022-09-19 Vikram Mahamiya , Alok Shukla , Brahmananda Chakraborty

Hydrogen as a fuel plays a crucial role in driving the transition to net zero greenhouse gas emissions. To realise its potential, obtaining a means of efficient storage is paramount. One solution is using metal hydrides, owing to their good…

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…

This investigation demonstrates that the pentagonal PdTe2 (penta-PdTe2) monolayer is a highly tunable two-dimensional (2D) photocatalyst, characterized by the bandgap of 1.75 eV and high hole mobility. Using density functional theory…

材料科学 · 物理学 2026-03-31 Narender Kumar , Shambhu Bhandari , Dario Alfè , Nacir Tit , Ravindra Pandey