Preparation and characterization of a covalent edge-functionalized lipoic acid-MoS2 conjugate

Misoon Jeong; Somin Kim; Sang Yong Ju

doi:10.1039/c6ra00901h

Preparation and characterization of a covalent edge-functionalized lipoic acid-MoS₂ conjugate

Misoon Jeong, Somin Kim, Sang Yong Ju

Department of Chemistry

Research output: Contribution to journal › Article › peer-review

23 Citations (Scopus)

Abstract

Covalent functionalization of semiconducting MoS₂ is important in order to broaden the optoelectronic applications of this material. In the current study, we developed a one-step method for covalent edge functionalization of semiconducting MoS₂ with lipoic acid (LA). The process, which utilizes a simple sonochemical aqueous dispersion approach, generates a LA-MoS₂ conjugate that has a few layered nanoflake structure with a width of a few hundred nanometers and that display an intact crystalline basal plane. The MoS₂ conjugate has the tendency to stack and fold with random relative angles owing to the presence of LA edge linked groups.

Original language	English
Pages (from-to)	36248-36255
Number of pages	8
Journal	RSC Advances
Volume	6
Issue number	43
DOIs	https://doi.org/10.1039/c6ra00901h
Publication status	Published - 2016

Bibliographical note

Funding Information:
The authors thank YJ Jeong for initial help for sample preparation and E. Koo for energy minimization of dihydrolipoic acid. This research was supported financially by the Basic Science Research Program through the National Research Foundation of Korea (NRF) funded by the Ministry of Education, Science and Technology (2014R1A1A2055572), and in part by the Yonsei University Future-Leading Research Initiative of 2014.

Publisher Copyright:
© 2016 The Royal Society of Chemistry.

All Science Journal Classification (ASJC) codes

Chemistry(all)
Chemical Engineering(all)

Access to Document

10.1039/c6ra00901h

Cite this

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title = "Preparation and characterization of a covalent edge-functionalized lipoic acid-MoS2 conjugate",

abstract = "Covalent functionalization of semiconducting MoS2 is important in order to broaden the optoelectronic applications of this material. In the current study, we developed a one-step method for covalent edge functionalization of semiconducting MoS2 with lipoic acid (LA). The process, which utilizes a simple sonochemical aqueous dispersion approach, generates a LA-MoS2 conjugate that has a few layered nanoflake structure with a width of a few hundred nanometers and that display an intact crystalline basal plane. The MoS2 conjugate has the tendency to stack and fold with random relative angles owing to the presence of LA edge linked groups.",

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