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나노 구조 물리 연구단
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Isolation of nb2se9 molecular chain from bulk one-dimensional crystal by liquid exfoliation

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Title
Isolation of nb2se9 molecular chain from bulk one-dimensional crystal by liquid exfoliation
Author(s)
Sudong Chae; Akhtar J. Siddiqa; Seungbae Oh; Bum Jun Kim; Kyung Hwan Choi; Woo-Sung Jang; Young-Min Kim; Hak Ki Yu; Jae-Young Choi
Publication Date
2018-10
Journal
Nanomaterials, v.8, no.10, pp.794 -
Publisher
MDPI
Abstract
The optimum solvent for Nb2Se9 dispersion, which is a new type of one dimensional (1D) material, is investigated. Among several solvents (16 solvents in total), strong dispersion was observed in benzyl alcohol, isopropyl alcohol, isobutyl alcohol, and diacetone alcohol, which have medium dielectric constants in the range of 10 to 30 and surface tension in the range of 25 to 35 mJ m?2 . 1D Nb2Se9 chains, whose size is less than 10 nm, are well dispersed and it is possible to disperse mono-chains of 1 nm or less in a specific dispersion region. The 1D unit chain with dangling bond free surface and high volume to area ratio is expected to be used in applications that utilize the surface of the material. Such dispersion is an important first step towards various potential applications and is an indispensable scientific goal for the practical applications of Nb2Se9 . © 2018 by the authors. Licensee MDPI, Basel, Switzerland
URI
https://pr.ibs.re.kr/handle/8788114/5155
ISSN
2079-4991
Appears in Collections:
Center for Integrated Nanostructure Physics(나노구조물리 연구단) > Journal Papers (저널논문)
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