Articles with "ptse2" as a keyword



Evaluating the Hydrogen Evolution Reaction Activity of Colloidally Prepared PtSe2 and PtTe2 Catalysts in an Alkaline Medium

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Published in 2024 at "ChemistryOpen"

DOI: 10.1002/open.202400146

Abstract: Abstract The hydrogen evolution reaction (HER) in alkaline electrolytes using transition metal dichalcogenides is a research area that is not tapped into. Alkaline HER (2H2O+2e-→H2+OH- ) is harder to achieve relative to acidic HER (H++2e-→H2… read more here.

Keywords: evolution reaction; synthesis; hydrogen evolution; ptte2 ... See more keywords

Exciton-Dominated Ultrafast Optical Response in Atomically Thin PtSe2.

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Published in 2021 at "Small"

DOI: 10.1002/smll.202103400

Abstract: Strongly bound excitons are a characteristic hallmark of 2D semiconductors, enabling unique light-matter interactions and novel optical applications. Platinum diselenide (PtSe2 ) is an emerging 2D material with outstanding optical and electrical properties and excellent… read more here.

Keywords: band gap; response; microscopy; exciton dominated ... See more keywords

Electronic and optical properties of monolayer and bulk of PtSe2

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Published in 2020 at "Optical and Quantum Electronics"

DOI: 10.1007/s11082-020-02615-y

Abstract: In this paper, some electronic properties such as the electronic density of states (DOS), and energy band structure, and optical properties of the bulk and monolayer PtSe2 structure have been investigated based on the density… read more here.

Keywords: energy; optical properties; ptse2; structure ... See more keywords

Two-dimensional PtSe2/hBN vdW heterojunction as photoelectrocatalyst for the solar-driven oxygen evolution reaction: A first principles study

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Published in 2021 at "Applied Surface Science"

DOI: 10.1016/j.apsusc.2021.151207

Abstract: Abstract Designing and researching suitable photoelectrocatalyst for water splitting is crucial for the utilization of renewable and inexhaustible solar energy but remains a huge conundrum. Here, using first principles calculations, the two-dimensional PtSe2/hBN heterojunction was… read more here.

Keywords: oxygen evolution; heterojunction; photoelectrocatalyst; ptse2 ... See more keywords

Ultrafast Interlayer Charge Transfer between Bilayer PtSe2 and Monolayer WS2.

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Published in 2021 at "ACS applied materials & interfaces"

DOI: 10.1021/acsami.1c18189

Abstract: Interlayer charge transfer (CT) between PtSe2 and WS2 is studied experimentally. Layer-selective pump-probe and photoluminescence quenching measurements reveal ultrafast interlayer CT in the heterostructure formed by bilayer PtSe2 and monolayer WS2, confirming its type-II band… read more here.

Keywords: interlayer charge; ultrafast interlayer; ptse2; charge transfer ... See more keywords

Energy Dissipation and Electrical Breakdown in Multilayer PtSe2 Electronics.

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Published in 2022 at "ACS applied materials & interfaces"

DOI: 10.1021/acsami.2c15252

Abstract: Investigating the energy dissipation in micro- and nanoscale is fundamental to improve the performance and reliability of two-dimensional (2D) electronics. Recently, 2D platinum selenide (PtSe2) has drawn extensive attention in developing next-generation functional devices due… read more here.

Keywords: energy dissipation; energy; multilayer ptse2; ptse2 ... See more keywords

Interface-Induced Seebeck Effect in PtSe2/PtSe2 van der Waals Homostructures.

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Published in 2022 at "ACS nano"

DOI: 10.1021/acsnano.2c00359

Abstract: The Seebeck effect refers to the production of an electric voltage when different temperatures are applied on a conductor, and the corresponding voltage-production efficiency is represented by the Seebeck coefficient. We report a Seebeck effect:… read more here.

Keywords: effect; ptse2; seebeck effect; interface ... See more keywords
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Defect induced, layer-modulated magnetism in ultrathin metallic PtSe2

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Published in 2019 at "Nature nanotechnology"

DOI: 10.1038/s41565-019-0467-1

Abstract: Defects are ubiquitous in solids and often introduce new properties that are absent in pristine materials. One of the opportunities offered by these crystal imperfections is an extrinsically induced long-range magnetic ordering1, a long-time subject… read more here.

Keywords: defect induced; layer modulated; magnetism; modulated magnetism ... See more keywords

Band gap opening of graphene by forming a graphene/PtSe2 van der Waals heterojunction

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Published in 2017 at "RSC Advances"

DOI: 10.1039/c7ra06865d

Abstract: Opening a band gap and finding a suitable substrate for graphene are two challenges for constructing graphene based nano-electronic devices. Recently, a new two-dimensional layered crystal PtSe2 with novel electronic properties has been efficiently synthesized… read more here.

Keywords: band gap; graphene; ptse2; graphene ptse2 ... See more keywords

Giant optical absorption of a PtSe2-on-silicon waveguide in mid-infrared wavelengths.

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Published in 2024 at "Nanoscale"

DOI: 10.1039/d3nr05983a

Abstract: Low-dimensional platinum diselenide (PtSe2) is a promising candidate for high-performance optoelectronics in the short-wavelength mid-infrared band due to its high carrier mobility, excellent stability, and tunable bandgap. However, light usually interacts moderately with low-dimensional PtSe2,… read more here.

Keywords: optical absorption; ptse2 silicon; ptse2; silicon waveguide ... See more keywords

Thermally induced correlation effects studied by Raman spectroscopy in PtSe2/Al2O3 systems.

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Published in 2025 at "Nanoscale"

DOI: 10.1039/d4nr04062g

Abstract: In this paper, we report the analysis of the Raman spectroscopy results of PtSe2 layers (ranging from 1 to 10 layers) deposited on an Al2O3 substrate, compared to those of the sub-micron thin flake and… read more here.

Keywords: spectroscopy; raman spectroscopy; correlation; al2o3 systems ... See more keywords