Comparison of hydrogen sulfide gas and sulfur powder for synthesis of molybdenum disulfide nanosheets

Jusang Park; Jeong Gyu Song; Taejin Choi; Sangwan Sim; Hyunyong Choi; Sang Wook Han; Han Bo Ram Lee; Soo Hyun Kim; Hyungjun Kim

doi:10.1016/j.cap.2016.03.022

Comparison of hydrogen sulfide gas and sulfur powder for synthesis of molybdenum disulfide nanosheets

Jusang Park, Jeong Gyu Song, Taejin Choi, Sangwan Sim, Hyunyong Choi, Sang Wook Han, Han Bo Ram Lee, Soo Hyun Kim, Hyungjun Kim

Department of Electrical and Electronic Engineering

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

12 Citations (Scopus)

Abstract

Layered transition metal dichalcogenides (TMDCs) have the potential to be used as an alternative to graphene in nano applications, because of their unique opto-electric properties. However, the large-scale synthesis of TMDCs has not been thoroughly investigated with different sulfurization agents, nor have the effects of defects and vacancies on such synthesis been determined. This study therefore looks at the synthesis of MoS₂ nanosheets from a thin Mo film to compare the effects of using H₂S gas or sulfur powder as the sulfurization agent. In either case, a four-layered nanosheet is obtained; however, the good stoichiometry of MoS₂, smallest defects, and fewest vacancies are obtained using H₂S.

Original language	English
Pages (from-to)	691-695
Number of pages	5
Journal	Current Applied Physics
Volume	16
Issue number	7
DOIs	https://doi.org/10.1016/j.cap.2016.03.022
Publication status	Published - 2016 Jul 1

Bibliographical note

Funding Information:
This research was supported by Basic Science Research Program through the National Research Foundation of Korea (NRF) funded by the Ministry of Education, Science and Technology (No. 2015R1D1A1A01060064 ), the National Research Foundation of Korea (NRF) grant funded by the Korea government (MSIP) (No. NRF-2014R1A2A1A11052588 ), the Center for Integrated Smart Sensors funded by the Ministry of Science, ICT & Future Planning as Global Frontier Project ( CISS-2011-0031848 ), Korea Evaluation Institute of Industrial Technology (KEIT) funded by the Ministry of Trade, Industry and Energy (MOTIE) (Project No. 10050296 , Large scale (Over 8″) synthesis and evaluation technology of 2D chalcogenides for next generation electronic devices), and the Institute of BioMed-IT, Energy-IT and Smart-IT Technology (BEST), a Brain Korea 21 plus program, Yonsei University .

Publisher Copyright:
© 2016 Elsevier B.V. All rights reserved.

All Science Journal Classification (ASJC) codes

Materials Science(all)
Physics and Astronomy(all)

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10.1016/j.cap.2016.03.022

Cite this

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title = "Comparison of hydrogen sulfide gas and sulfur powder for synthesis of molybdenum disulfide nanosheets",

abstract = "Layered transition metal dichalcogenides (TMDCs) have the potential to be used as an alternative to graphene in nano applications, because of their unique opto-electric properties. However, the large-scale synthesis of TMDCs has not been thoroughly investigated with different sulfurization agents, nor have the effects of defects and vacancies on such synthesis been determined. This study therefore looks at the synthesis of MoS2 nanosheets from a thin Mo film to compare the effects of using H2S gas or sulfur powder as the sulfurization agent. In either case, a four-layered nanosheet is obtained; however, the good stoichiometry of MoS2, smallest defects, and fewest vacancies are obtained using H2S.",

author = "Jusang Park and Song, {Jeong Gyu} and Taejin Choi and Sangwan Sim and Hyunyong Choi and Han, {Sang Wook} and Lee, {Han Bo Ram} and Kim, {Soo Hyun} and Hyungjun Kim",

note = "Funding Information: This research was supported by Basic Science Research Program through the National Research Foundation of Korea (NRF) funded by the Ministry of Education, Science and Technology (No. 2015R1D1A1A01060064 ), the National Research Foundation of Korea (NRF) grant funded by the Korea government (MSIP) (No. NRF-2014R1A2A1A11052588 ), the Center for Integrated Smart Sensors funded by the Ministry of Science, ICT & Future Planning as Global Frontier Project ( CISS-2011-0031848 ), Korea Evaluation Institute of Industrial Technology (KEIT) funded by the Ministry of Trade, Industry and Energy (MOTIE) (Project No. 10050296 , Large scale (Over 8″) synthesis and evaluation technology of 2D chalcogenides for next generation electronic devices), and the Institute of BioMed-IT, Energy-IT and Smart-IT Technology (BEST), a Brain Korea 21 plus program, Yonsei University . Publisher Copyright: {\textcopyright} 2016 Elsevier B.V. All rights reserved.",

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AU - Choi, Hyunyong

AU - Han, Sang Wook

AU - Lee, Han Bo Ram

AU - Kim, Soo Hyun

AU - Kim, Hyungjun

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PY - 2016/7/1

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N2 - Layered transition metal dichalcogenides (TMDCs) have the potential to be used as an alternative to graphene in nano applications, because of their unique opto-electric properties. However, the large-scale synthesis of TMDCs has not been thoroughly investigated with different sulfurization agents, nor have the effects of defects and vacancies on such synthesis been determined. This study therefore looks at the synthesis of MoS2 nanosheets from a thin Mo film to compare the effects of using H2S gas or sulfur powder as the sulfurization agent. In either case, a four-layered nanosheet is obtained; however, the good stoichiometry of MoS2, smallest defects, and fewest vacancies are obtained using H2S.

AB - Layered transition metal dichalcogenides (TMDCs) have the potential to be used as an alternative to graphene in nano applications, because of their unique opto-electric properties. However, the large-scale synthesis of TMDCs has not been thoroughly investigated with different sulfurization agents, nor have the effects of defects and vacancies on such synthesis been determined. This study therefore looks at the synthesis of MoS2 nanosheets from a thin Mo film to compare the effects of using H2S gas or sulfur powder as the sulfurization agent. In either case, a four-layered nanosheet is obtained; however, the good stoichiometry of MoS2, smallest defects, and fewest vacancies are obtained using H2S.

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Comparison of hydrogen sulfide gas and sulfur powder for synthesis of molybdenum disulfide nanosheets

Abstract

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