Exciton-Dominated Ultrafast Optical Response in Atomically Thin PtSe2.
Sign Up to like & getrecommendations! 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
Sign Up to like & getrecommendations! 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
Sign Up to like & getrecommendations! 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.
Sign Up to like & getrecommendations! 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.
Sign Up to like & getrecommendations! 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.
Sign Up to like & getrecommendations! 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
Defect induced, layer-modulated magnetism in ultrathin metallic PtSe2
Sign Up to like & getrecommendations! 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
Sign Up to like & getrecommendations! 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
Investigation of the band alignment at MoS2/PtSe2 heterojunctions
Sign Up to like & getrecommendations! Published in 2019 at "Applied Physics Letters"
DOI: 10.1063/1.5097248
Abstract: In this work, large-area continuous monolayer-MoS2 and triple-layer-PtSe2 films are grown on Si substrates by chemical vapor deposition and the MoS2/PtSe2 heterostructures are fabricated using transfer technology. The energy band alignment at the heterojunction is… read more here.
Keywords: band alignment; mos2 ptse2; mos2; spectroscopy ... See more keywords
Filamentary superconductivity in wrinkled PtSe2
Sign Up to like & getrecommendations! Published in 2021 at "Journal of Physics D: Applied Physics"
DOI: 10.1088/1361-6463/abe78b
Abstract: Platinum diselenide (PtSe2) is a recently discovered Dirac semi-metal, which is theoretically predicted to possess a superconducting transition at an extremely low temperature T c of 2 mK. However, it has not yet to be experimentally… read more here.
Keywords: filamentary superconductivity; transition; physics; wrinkled ptse2 ... See more keywords
Molecular beam epitaxy of PtSe2 using a co-deposition approach
Sign Up to like & getrecommendations! Published in 2022 at "2D Materials"
DOI: 10.1088/2053-1583/ac606f
Abstract: The structural properties of co-deposited ultrathin PtSe2 films grown at low temperatures by molecular beam epitaxy on c-plane Al2O3 are studied. By simultaneously supplying a Se flux from a Knudsen cell and Pt atoms from… read more here.
Keywords: molecular beam; ptse2 films; beam epitaxy; ptse2 ... See more keywords