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나노 구조 물리 연구단
나노구조물리 연구단
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Inorganic Molecular Chain Nb2Se9: Synthesis of Bulk Crystal and One-Atom-Thick Level Exfoliation

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Title
Inorganic Molecular Chain Nb2Se9: Synthesis of Bulk Crystal and One-Atom-Thick Level Exfoliation
Author(s)
Seungbae Oh; Sudong Chae; Bum Jun Kim; Akhtar J. Siddiqa; Kyung Hwan Choi; Woo‐Sung Jang; Keun Ho Lee; Hyo Yeol Kim; Dong Kyu Lee; Young‐Min Kim; Hak Ki Yu; Jae‐Young Choi
Publication Date
2018-12
Journal
PHYSICA STATUS SOLIDI-RAPID RESEARCH LETTERS, v.12, no.12, pp.1800451 -
Publisher
WILEY-V C H VERLAG GMBH
Abstract
A novel one-dimensional (1D) inorganic material, Nb2Se9, which can be separated into atomic-level, is synthesized through chemical reaction between Nb and Se sources. Nb2Se9 and Se crystals are formed under an excess Se condition to avoid other phase such as NbSe3, and the residual Se can be removed by heat treatment; thus, high-purity Nb2Se9 crystals can be obtained. The one-atom-thick level Nb2Se9 nanochains are successfully obtained by mechanical exfoliation and dispersion in a solvent. The covalently bonded Nb2Se9 chain, when isolated from its three-dimensional bulk material, is expected to have unique physical properties based on electron confinement in the 1D chain structure and the absence of dangling bonds. In addition, it has excellent thermal stability (up to 500 degrees C) and can be widely used in various fields. © 2018 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim
URI
https://pr.ibs.re.kr/handle/8788114/5911
ISSN
1862-6254
Appears in Collections:
Center for Integrated Nanostructure Physics(나노구조물리 연구단) > Journal Papers (저널논문)
Files in This Item:
Inorganic Molecular_PHYSICA STATUS SOLIDI-RAPID RESEARCH LETTERS_Young-Min Kim.pdfDownload

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