Articles with "bi2se3" as a keyword



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Integrated Quasiplane Heteronanostructures of MoSe2/Bi2Se3 Hexagonal Nanosheets: Synergetic Electrocatalytic Water Splitting and Enhanced Supercapacitor Performance

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Published in 2017 at "Advanced Functional Materials"

DOI: 10.1002/adfm.201703864

Abstract: MoSe2 as a typical transition metal dichalcogenide holds great potential for energy storage and catalysis but its performance is largely limited by its poor conductivity. Bi2Se3 nanosheets, a kind of topological insulators, possess gapless edges… read more here.

Keywords: bi2se3; integrated quasiplane; performance; spectroscopy ... See more keywords
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Nano-Crystalline Thermally Evaporated Bi2Se3 Thin Films Synthesized from Mechanically Milled Powder

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Published in 2017 at "Journal of Electronic Materials"

DOI: 10.1007/s11664-017-5496-7

Abstract: Bi2Se3 powder has been successfully synthesized via mechanical ball milling of bismuth and selenium as starting materials. X-ray diffraction characterization revealed the formation of the rhombohedral and orthorhombic phases of Bi2Se3 material belonging to systems… read more here.

Keywords: bi2se3; thin films; nano crystalline; thermally evaporated ... See more keywords
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Enhanced mechanism of thermoelectric performance of Bi2Se3 using density functional theory

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Published in 2020 at "Materials for Renewable and Sustainable Energy"

DOI: 10.1007/s40243-020-00176-4

Abstract: Good thermoelectric performance is being sought to face major problems related to energy, especially in the concern of the usage of energy on environmental impact. In this work, we investigate the underlying mechanism to enhance… read more here.

Keywords: bi2se3; density functional; mechanism; performance ... See more keywords
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Stable bismuth sub-monolayer termination of Bi2Se3

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Published in 2019 at "Applied Surface Science"

DOI: 10.1016/j.apsusc.2019.01.011

Abstract: Abstract Surface electronic properties of Bi2Se3 and Bi2Te3 topological insulators are known to evolve with varying surface termination. In this work, the (1 1 1) surface of Bi2Se3 has been studied with a comprehensive combination of experimental… read more here.

Keywords: bi2se3; bismuth; surface; sub monolayer ... See more keywords
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Newfound two-dimensional Bi2Se3 monolayers for driving hydrogen evolution reaction with the visible-light

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Published in 2021 at "Applied Surface Science"

DOI: 10.1016/j.apsusc.2021.150389

Abstract: Abstract Considering the reported Bi2Se3 monolayer with P-3M1 space group cannot match energy band edges for the hydrogen evolution reaction(HER) and the oxygen evolution reaction(OER), we identify three Bi2Se3 monolayers with desirable bandgap, band edges,… read more here.

Keywords: band edges; bi2se3; bi2se3 monolayers; evolution reaction ... See more keywords
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First principles study of structural, electronic and optical properties of orthorhombic phase Ni-doped Bi2Se3 using density functional theory

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Published in 2020 at "Computational Condensed Matter"

DOI: 10.1016/j.cocom.2020.e00510

Abstract: Abstract Structural, electronic and optical properties of nickel (Ni) doped bismuth selenide (Bi2Se3) in orthorhombic phase was studied via first principles approach using density functional theory (DFT). A generalized gradient approximation (GGA) for Perdew-Burke-Ernzerhof for… read more here.

Keywords: bi2se3; first principles; structural electronic; orthorhombic phase ... See more keywords
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The destabilization of LiBH4 through the addition of Bi2Se3 nanosheets

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Published in 2020 at "International Journal of Hydrogen Energy"

DOI: 10.1016/j.ijhydene.2019.09.040

Abstract: Abstract Efficient storage of hydrogen is a key issue to establish hydrogen infrastructure. In the efforts of searching suitable hydrogen storage alloys, several systems have been explored so far. All of them suffers from some… read more here.

Keywords: bi2se3; hydrogen; libh4 addition; destabilization libh4 ... See more keywords
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Heterostructured MoS2@Bi2Se3 nanoflowers: A highly efficient electrocatalyst for hydrogen evolution

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Published in 2020 at "Journal of Catalysis"

DOI: 10.1016/j.jcat.2019.11.039

Abstract: Abstract The transition metal dichalcogenide MoS2 shows good catalytic properties for the hydrogen evolution reaction (HER). However, the HER activity of 2D MoS2 is limited by its poor electrical conductivity. Bi2Se3 nanosheets are topological insulators… read more here.

Keywords: bi2se3; bi2se3 nanoflowers; hydrogen evolution; mos2 bi2se3 ... See more keywords
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Crystalline Bi2Se3 topological insulator films prepared by dc magnetron sputtering

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Published in 2020 at "Vacuum"

DOI: 10.1016/j.vacuum.2020.109366

Abstract: Abstract Topological insulator thin films of Bi2Se3 have been deposited on SrTiO3 (111) substrate by dc magnetron sputtering and annealed in Se environment. X-ray Diffraction (XRD) measurement shows (00l) (l = 3n, where n is an integer)… read more here.

Keywords: bi2se3; magnetron sputtering; topological insulator; spectroscopy ... See more keywords
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Proximity Band Structure and Spin Textures on Both Sides of Topological-Insulator/Ferromagnetic-Metal Interface and Their Charge Transport Probes.

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Published in 2017 at "Nano letters"

DOI: 10.1021/acs.nanolett.7b02511

Abstract: The control of recently observed spintronic effects in topological-insulator/ferromagnetic-metal (TI/FM) heterostructures is thwarted by the lack of understanding of band structure and spin textures around their interfaces. Here we combine density functional theory with Green's… read more here.

Keywords: bi2se3; charge; metal; spin ... See more keywords
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Construction of Bi2O2Se/Bi2Se3 Van Der Waals Heterostructures for Self-Powered and Broadband Photodetectors.

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Published in 2022 at "ACS applied materials & interfaces"

DOI: 10.1021/acsami.2c00616

Abstract: Due to its superior carrier mobility and high air stability, the emerging two-dimensional (2D) layered bismuth oxyselenide (Bi2O2Se) nanosheets have attracted extensive attention, showing great potential for applications in the electronic and optoelectronic fields. However,… read more here.

Keywords: van der; bi2o2se bi2se3; der waals; bi2se3 ... See more keywords