Design of dispersant structures for preparing highly concentrated one-dimensional inorganic molecular chains from V2Se9 crystals

Sudong Chae; Akhtar J. Siddiqa; Bum Jun Kim; Seungbae Oh; Kyung Hwan Choi; Hyo Yeol Kim; Keun Ho Lee; Hak Ki Yu; Jae-Young Choi

doi:10.1039/C8CC06767H

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Design of dispersant structures for preparing highly concentrated one-dimensional inorganic molecular chains from V₂Se₉ crystals†

Sudong Chae,‡^a Akhtar J. Siddiqa,‡^a Bum Jun Kim,^b Seungbae Oh,^a Kyung Hwan Choi,^b Hyo Yeol Kim,^a Keun Ho Lee,

^a Hak Ki Yu

^c and Jae-Young Choi

*^ab

Author affiliations

* Corresponding authors

^a School of Advanced Materials Science & Engineering, Sungkyunkwan University, Suwon, Korea
E-mail: jy.choi@skku.edu

^b School of Advanced Institute of Nanotechnology (SAINT), Sungkyunkwan University, Suwon, Korea

^c Dept. of Materials Science and Engineering & Dept. of Energy Systems Research, Ajou University, Suwon, Korea

Abstract

We studied dispersants for exfoliating bulk V₂Se₉ into one dimensional chain units. V₂Se₉, with a negative zeta potential of −30.1 mV, was acidic and strongly anchored with the amine head of octadecylamine by charge transfer reaction. The steric hindrance by the octadecyl tail promoted the dispersion of V₂Se₉ to the nano level.

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Article information

DOI: https://doi.org/10.1039/C8CC06767H
Article type: Communication
Submitted: 20 Aug 2018
Accepted: 01 Oct 2018
First published: 03 Oct 2018

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Chem. Commun., 2018,54, 12190-12193

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Design of dispersant structures for preparing highly concentrated one-dimensional inorganic molecular chains from V₂Se₉ crystals

S. Chae, A. J. Siddiqa, B. J. Kim, S. Oh, K. H. Choi, H. Y. Kim, K. H. Lee, H. K. Yu and J. Choi, Chem. Commun., 2018, 54, 12190 DOI: 10.1039/C8CC06767H

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Chemical Communications