Tellurium-Assisted Low-Temperature Synthesis of MoS2 and WS2 Monolayers

Yongji Gong; Zhong Lin; Gonglan Ye; Gang Shi; Simin Feng; Yu Lei; Ana Laura Elías; Nestor Perea-Lopez; Robert Vajtai; Humberto Terrones; Zheng Liu; Mauricio Terrones; Pulickel M. Ajayan

doi:10.1021/acsnano.5b05594

Tellurium-Assisted Low-Temperature Synthesis of MoS₂ and WS₂ Monolayers

Yongji Gong, Zhong Lin, Gonglan Ye, Gang Shi, Simin Feng, Yu Lei, Ana Laura Elías, Nestor Perea-Lopez, Robert Vajtai, Humberto Terrones, Zheng Liu, Mauricio Terrones, Pulickel M. Ajayan

Research output: Contribution to journal › Article

77 Scopus citations

Abstract

Chemical vapor deposition (CVD) is a scalable method able to synthesize MoS₂ and WS₂ monolayers. In this work, we reduced the synthesis temperature by 200 °C only by introducing tellurium (Te) into the CVD process. The as-synthesized MoS₂ and WS₂ monolayers show high phase purity and crystallinity. The optical and electrical performance of these materials is comparable to those synthesized at higher temperatures. We believe this work will accelerate the industrial synthesis of these semiconducting monolayers.

Original language	English (US)
Pages (from-to)	11658-11666
Number of pages	9
Journal	ACS nano
Volume	9
Issue number	12
DOIs	https://doi.org/10.1021/acsnano.5b05594
State	Published - Oct 26 2015

All Science Journal Classification (ASJC) codes

Materials Science(all)
Engineering(all)
Physics and Astronomy(all)

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10.1021/acsnano.5b05594

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Gong, Y., Lin, Z., Ye, G., Shi, G., Feng, S., Lei, Y., Elías, A. L., Perea-Lopez, N., Vajtai, R., Terrones, H., Liu, Z., Terrones, M., & Ajayan, P. M. (2015). Tellurium-Assisted Low-Temperature Synthesis of MoS₂ and WS₂ Monolayers. ACS nano, 9(12), 11658-11666. https://doi.org/10.1021/acsnano.5b05594

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abstract = "Chemical vapor deposition (CVD) is a scalable method able to synthesize MoS2 and WS2 monolayers. In this work, we reduced the synthesis temperature by 200 °C only by introducing tellurium (Te) into the CVD process. The as-synthesized MoS2 and WS2 monolayers show high phase purity and crystallinity. The optical and electrical performance of these materials is comparable to those synthesized at higher temperatures. We believe this work will accelerate the industrial synthesis of these semiconducting monolayers.",

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Tellurium-Assisted Low-Temperature Synthesis of MoS₂ and WS₂ Monolayers. / Gong, Yongji; Lin, Zhong; Ye, Gonglan; Shi, Gang; Feng, Simin; Lei, Yu; Elías, Ana Laura ; Perea-Lopez, Nestor; Vajtai, Robert; Terrones, Humberto; Liu, Zheng; Terrones, Mauricio; Ajayan, Pulickel M.

In: ACS nano, Vol. 9, No. 12, 26.10.2015, p. 11658-11666.

Research output: Contribution to journal › Article

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AU - Gong, Yongji

AU - Lin, Zhong

AU - Ye, Gonglan

AU - Shi, Gang

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AU - Lei, Yu

AU - Elías, Ana Laura

AU - Perea-Lopez, Nestor

AU - Vajtai, Robert

AU - Terrones, Humberto

AU - Liu, Zheng

AU - Terrones, Mauricio

AU - Ajayan, Pulickel M.

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AB - Chemical vapor deposition (CVD) is a scalable method able to synthesize MoS2 and WS2 monolayers. In this work, we reduced the synthesis temperature by 200 °C only by introducing tellurium (Te) into the CVD process. The as-synthesized MoS2 and WS2 monolayers show high phase purity and crystallinity. The optical and electrical performance of these materials is comparable to those synthesized at higher temperatures. We believe this work will accelerate the industrial synthesis of these semiconducting monolayers.

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