Single-Crystalline Nanobelts Composed of Transition Metal Ditellurides

Jinsung Kwak; Yongsu Jo; Seunguk Song; Jung Hwa Kim; Se Yang Kim; Jae Ung Lee; Sungwoo Lee; Jungmin Park; Kangwon Kim; Gun Do Lee; Jung Woo Yoo; Sung Youb Kim; Young Min Kong; Gwan Hyoung Lee; Wan Gyu Lee; Jucheol Park; Xiaodong Xu; Hyeonsik Cheong; Euijoon Yoon; Zonghoon Lee; Soon Yong Kwon

doi:10.1002/adma.201707260

Single-Crystalline Nanobelts Composed of Transition Metal Ditellurides

Jinsung Kwak, Yongsu Jo, Seunguk Song, Jung Hwa Kim, Se Yang Kim, Jae Ung Lee, Sungwoo Lee, Jungmin Park, Kangwon Kim, Gun Do Lee, Jung Woo Yoo, Sung Youb Kim, Young Min Kong, Gwan Hyoung Lee, Wan Gyu Lee, Jucheol Park, Xiaodong Xu, Hyeonsik Cheong, Euijoon Yoon, Zonghoon LeeSoon Yong Kwon

Department of Materials Science and Engineering

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

16 Citations (Scopus)

Abstract

Following the celebrated discovery of graphene, considerable attention has been directed toward the rich spectrum of properties offered by van der Waals crystals. However, studies have been largely limited to their 2D properties due to lack of 1D structures. Here, the growth of high-yield, single-crystalline 1D nanobelts composed of transition metal ditellurides at low temperatures (T ≤ 500 °C) and in short reaction times (t ≤ 10 min) via the use of tellurium-rich eutectic metal alloys is reported. The synthesized semimetallic 1D products are highly pure, stoichiometric, structurally uniform, and free of defects, resulting in high electrical performances. Furthermore, complete compositional tuning of the ternary ditelluride nanobelts is achieved with suppressed phase separation, applicable to the creation of unprecedented low-dimensional materials/devices. This approach may inspire new growth/fabrication strategies of 1D layered nanostructures, which may offer unique properties that are not available in other materials.

Original language	English
Article number	1707260
Journal	Advanced Materials
Volume	30
Issue number	30
DOIs	https://doi.org/10.1002/adma.201707260
Publication status	Published - 2018 Jul 26

Bibliographical note

Funding Information:
This work was supported by the Outstanding Research Fund (Grant No. 1.170093.01) of UNIST (Ulsan National Institute of Science and Technology) and by Nano·Material Technology Development Program (Grant No. 2017M3A7B8065377), Basic Science Research Program (Grant Nos. 2017R1E1A1A01075283, 2017R1A2B2006568 (for G.H.L.), and 2017R1C1B1008979), Midcareer Researcher Program (Grant No. 2015R1A2A2A01006992) and Grant Nos. 2012M3A7B4049807 and RIAM NRF-2016R1D1A1A02937045 through the National Research Foundation (NRF) of Korea funded by the Ministry of Science, ICT, and Future Planning. This work has benefited from the use of the facilities at UNIST Central Research Facilities.

Publisher Copyright:
© 2018 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim

All Science Journal Classification (ASJC) codes

Materials Science(all)
Mechanics of Materials
Mechanical Engineering

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10.1002/adma.201707260

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Kwak, J., Jo, Y., Song, S., Kim, J. H., Kim, S. Y., Lee, J. U., Lee, S., Park, J., Kim, K., Lee, G. D., Yoo, J. W., Kim, S. Y., Kong, Y. M., Lee, G. H., Lee, W. G., Park, J., Xu, X., Cheong, H., Yoon, E., ... Kwon, S. Y. (2018). Single-Crystalline Nanobelts Composed of Transition Metal Ditellurides. Advanced Materials, 30(30), [1707260]. https://doi.org/10.1002/adma.201707260

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title = "Single-Crystalline Nanobelts Composed of Transition Metal Ditellurides",

abstract = "Following the celebrated discovery of graphene, considerable attention has been directed toward the rich spectrum of properties offered by van der Waals crystals. However, studies have been largely limited to their 2D properties due to lack of 1D structures. Here, the growth of high-yield, single-crystalline 1D nanobelts composed of transition metal ditellurides at low temperatures (T ≤ 500 °C) and in short reaction times (t ≤ 10 min) via the use of tellurium-rich eutectic metal alloys is reported. The synthesized semimetallic 1D products are highly pure, stoichiometric, structurally uniform, and free of defects, resulting in high electrical performances. Furthermore, complete compositional tuning of the ternary ditelluride nanobelts is achieved with suppressed phase separation, applicable to the creation of unprecedented low-dimensional materials/devices. This approach may inspire new growth/fabrication strategies of 1D layered nanostructures, which may offer unique properties that are not available in other materials.",

author = "Jinsung Kwak and Yongsu Jo and Seunguk Song and Kim, {Jung Hwa} and Kim, {Se Yang} and Lee, {Jae Ung} and Sungwoo Lee and Jungmin Park and Kangwon Kim and Lee, {Gun Do} and Yoo, {Jung Woo} and Kim, {Sung Youb} and Kong, {Young Min} and Lee, {Gwan Hyoung} and Lee, {Wan Gyu} and Jucheol Park and Xiaodong Xu and Hyeonsik Cheong and Euijoon Yoon and Zonghoon Lee and Kwon, {Soon Yong}",

note = "Funding Information: This work was supported by the Outstanding Research Fund (Grant No. 1.170093.01) of UNIST (Ulsan National Institute of Science and Technology) and by Nano·Material Technology Development Program (Grant No. 2017M3A7B8065377), Basic Science Research Program (Grant Nos. 2017R1E1A1A01075283, 2017R1A2B2006568 (for G.H.L.), and 2017R1C1B1008979), Midcareer Researcher Program (Grant No. 2015R1A2A2A01006992) and Grant Nos. 2012M3A7B4049807 and RIAM NRF-2016R1D1A1A02937045 through the National Research Foundation (NRF) of Korea funded by the Ministry of Science, ICT, and Future Planning. This work has benefited from the use of the facilities at UNIST Central Research Facilities. Publisher Copyright: {\textcopyright} 2018 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim",

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AU - Kwak, Jinsung

AU - Jo, Yongsu

AU - Song, Seunguk

AU - Kim, Jung Hwa

AU - Kim, Se Yang

AU - Lee, Jae Ung

AU - Lee, Sungwoo

AU - Park, Jungmin

AU - Kim, Kangwon

AU - Lee, Gun Do

AU - Yoo, Jung Woo

AU - Kim, Sung Youb

AU - Kong, Young Min

AU - Lee, Gwan Hyoung

AU - Lee, Wan Gyu

AU - Park, Jucheol

AU - Xu, Xiaodong

AU - Cheong, Hyeonsik

AU - Yoon, Euijoon

AU - Lee, Zonghoon

AU - Kwon, Soon Yong

N1 - Funding Information: This work was supported by the Outstanding Research Fund (Grant No. 1.170093.01) of UNIST (Ulsan National Institute of Science and Technology) and by Nano·Material Technology Development Program (Grant No. 2017M3A7B8065377), Basic Science Research Program (Grant Nos. 2017R1E1A1A01075283, 2017R1A2B2006568 (for G.H.L.), and 2017R1C1B1008979), Midcareer Researcher Program (Grant No. 2015R1A2A2A01006992) and Grant Nos. 2012M3A7B4049807 and RIAM NRF-2016R1D1A1A02937045 through the National Research Foundation (NRF) of Korea funded by the Ministry of Science, ICT, and Future Planning. This work has benefited from the use of the facilities at UNIST Central Research Facilities. Publisher Copyright: © 2018 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim

PY - 2018/7/26

Y1 - 2018/7/26

N2 - Following the celebrated discovery of graphene, considerable attention has been directed toward the rich spectrum of properties offered by van der Waals crystals. However, studies have been largely limited to their 2D properties due to lack of 1D structures. Here, the growth of high-yield, single-crystalline 1D nanobelts composed of transition metal ditellurides at low temperatures (T ≤ 500 °C) and in short reaction times (t ≤ 10 min) via the use of tellurium-rich eutectic metal alloys is reported. The synthesized semimetallic 1D products are highly pure, stoichiometric, structurally uniform, and free of defects, resulting in high electrical performances. Furthermore, complete compositional tuning of the ternary ditelluride nanobelts is achieved with suppressed phase separation, applicable to the creation of unprecedented low-dimensional materials/devices. This approach may inspire new growth/fabrication strategies of 1D layered nanostructures, which may offer unique properties that are not available in other materials.

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Single-Crystalline Nanobelts Composed of Transition Metal Ditellurides

Abstract

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