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Tytuł:
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Electronic Properties of Triangle Molybdenum Disulfide (MoS 2 ) Clusters with Different Sizes and Edges.
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Autorzy:
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Wang S; School of Physics, Harbin Institute of Technology, Harbin 150001, China.; Key Lab of Micro-Optics and Photonic Technology of Heilongjiang Province, Harbin 150001, China.
Han C; School of Mechanical & Power Engineering, Harbin University of Science and Technology, Harbin 150080, China.
Ye L; Key Laboratory of Green Chemical Technology of College of Heilongjiang Province, College of Chemical and Environmental Engineering, Harbin University of Science and Technology, Harbin 150080, China.
Zhang G; Key Laboratory of Green Chemical Technology of College of Heilongjiang Province, College of Chemical and Environmental Engineering, Harbin University of Science and Technology, Harbin 150080, China.
Hu Y; Key Laboratory of Green Chemical Technology of College of Heilongjiang Province, College of Chemical and Environmental Engineering, Harbin University of Science and Technology, Harbin 150080, China.
Li W; School of Physics, Harbin Institute of Technology, Harbin 150001, China.; State Key Laboratory of Intense Pulsed Radiation Simulation and Effect, Xi'an 710024, China.
Jiang Y; School of Physics, Harbin Institute of Technology, Harbin 150001, China.; Key Lab of Micro-Optics and Photonic Technology of Heilongjiang Province, Harbin 150001, China.
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Źródło:
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Molecules (Basel, Switzerland) [Molecules] 2021 Feb 22; Vol. 26 (4). Date of Electronic Publication: 2021 Feb 22.
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Typ publikacji:
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Journal Article
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Język:
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English
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Imprint Name(s):
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Original Publication: Basel, Switzerland : MDPI, c1995-
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MeSH Terms:
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Density Functional Theory*
Disulfides/*chemistry
Molybdenum/*chemistry
Electronics ; Models, Molecular ; Particle Size ; Surface Properties
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References:
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Grant Information:
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B2018007 Natural Science Foundation of Heilongjiang Province of China
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Contributed Indexing:
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Keywords: electronic properties; molybdenum disulfide clusters; nanomaterials; quantum chemistry
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Substance Nomenclature:
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0 (Disulfides)
81AH48963U (Molybdenum)
ZC8B4P503V (molybdenum disulfide)
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Entry Date(s):
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Date Created: 20210306 Date Completed: 20210407 Latest Revision: 20210407
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Update Code:
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20240104
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PubMed Central ID:
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PMC7927058
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DOI:
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10.3390/molecules26041157
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PMID:
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33671512
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The electronic structures and transition properties of three types of triangle MoS 2 clusters, A (Mo edge passivated with two S atoms), B (Mo edge passivated with one S atom), and C (S edge) have been explored using quantum chemistry methods. The highest occupied molecular orbital (HOMO)-lowest unoccupied molecular orbital (LUMO) gap of B and C is larger than that of A, due to the absence of the dangling of edge S atoms. The frontier orbitals (FMOs) of A can be divided into two categories, edge states from S 3 p at the edge and hybrid states of Mo 4 d and S 3 p covering the whole cluster. Due to edge/corner states appearing in the FMOs of triangle MoS 2 clusters, their absorption spectra show unique characteristics along with the edge structure and size.
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