Universal Oriented van der Waals Epitaxy of 1D Cyanide Chains on Hexagonal 2D Crystals

Yangjin Lee; Jahyun Koo; Sol Lee; Jun Yeong Yoon; Kangwon Kim; Myeongjin Jang; Jeongsu Jang; Jeongheon Choe; Bao Wen Li; Chinh Tam Le; Farman Ullah; Yong Soo Kim; Jun Yeon Hwang; Won Chul Lee; Rodney S. Ruoff; Hyeonsik Cheong; Jinwoo Cheon; Hoonkyung Lee; Kwanpyo Kim

doi:10.1002/advs.201900757

Universal Oriented van der Waals Epitaxy of 1D Cyanide Chains on Hexagonal 2D Crystals

Yangjin Lee, Jahyun Koo, Sol Lee, Jun Yeong Yoon, Kangwon Kim, Myeongjin Jang, Jeongsu Jang, Jeongheon Choe, Bao Wen Li, Chinh Tam Le, Farman Ullah, Yong Soo Kim, Jun Yeon Hwang, Won Chul Lee, Rodney S. Ruoff, Hyeonsik Cheong, Jinwoo Cheon, Hoonkyung Lee, Kwanpyo Kim

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

10 Citations (Scopus)

Abstract

The atomic or molecular assembly on 2D materials through the relatively weak van der Waals interaction is quite different from the conventional heteroepitaxy and may result in unique growth behaviors. Here, it is shown that straight 1D cyanide chains display universal epitaxy on hexagonal 2D materials. A universal oriented assembly of cyanide crystals (AgCN, AuCN, and Cu_0.5Au_0.5CN) is observed, where the chains are aligned along the three zigzag lattice directions of various 2D hexagonal crystals (graphene, h-BN, WS₂, MoS₂, WSe₂, MoSe₂, and MoTe₂). The potential energy landscape of the hexagonal lattice induces this preferred alignment of 1D chains along the zigzag lattice directions, regardless of the lattice parameter and surface elements as demonstrated by first-principles calculations and parameterized surface potential calculations. Furthermore, the oriented microwires can serve as crystal orientation markers, and stacking-angle-controlled vertical 2D heterostructures are successfully fabricated by using them as markers. The oriented van der Waals epitaxy can be generalized to any hexagonal 2D crystals and will serve as a unique growth process to form crystals with orientations along the zigzag directions by epitaxy.

Original language	English
Article number	1900757
Journal	Advanced Science
Volume	7
Issue number	4
DOIs	https://doi.org/10.1002/advs.201900757
Publication status	Published - 2020 Feb 1

Bibliographical note

Funding Information:
This work was mainly supported by the Basic Science Research Program through the National Research Foundation of Korea (NRF-2017R1A5A1014862 and NRF-2019R1C1C1003643), the Institute for Basic Science (IBS-R026-D1), and Yonsei University Future-leading Research Initiative of 2019 (2019-22-0027). B.-W.L and R.S.R. acknowledge support from the Institute for Basic Science (IBS-R019-D1). C.T.L., F.U., and Y.S.K. acknowledge support by the Priority Research Centers Program (2019R1A6A1A11053838).

Publisher Copyright:
© 2019 The Authors. Published by WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim

All Science Journal Classification (ASJC) codes

Medicine (miscellaneous)
Chemical Engineering(all)
Materials Science(all)
Biochemistry, Genetics and Molecular Biology (miscellaneous)
Engineering(all)
Physics and Astronomy(all)

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Lee, Y., Koo, J., Lee, S., Yoon, J. Y., Kim, K., Jang, M., Jang, J., Choe, J., Li, B. W., Le, C. T., Ullah, F., Kim, Y. S., Hwang, J. Y., Lee, W. C., Ruoff, R. S., Cheong, H., Cheon, J., Lee, H., & Kim, K. (2020). Universal Oriented van der Waals Epitaxy of 1D Cyanide Chains on Hexagonal 2D Crystals. Advanced Science, 7(4), [1900757]. https://doi.org/10.1002/advs.201900757

@article{62e126bcfd8c468b8bd4ecc6464f983a,

title = "Universal Oriented van der Waals Epitaxy of 1D Cyanide Chains on Hexagonal 2D Crystals",

abstract = "The atomic or molecular assembly on 2D materials through the relatively weak van der Waals interaction is quite different from the conventional heteroepitaxy and may result in unique growth behaviors. Here, it is shown that straight 1D cyanide chains display universal epitaxy on hexagonal 2D materials. A universal oriented assembly of cyanide crystals (AgCN, AuCN, and Cu0.5Au0.5CN) is observed, where the chains are aligned along the three zigzag lattice directions of various 2D hexagonal crystals (graphene, h-BN, WS2, MoS2, WSe2, MoSe2, and MoTe2). The potential energy landscape of the hexagonal lattice induces this preferred alignment of 1D chains along the zigzag lattice directions, regardless of the lattice parameter and surface elements as demonstrated by first-principles calculations and parameterized surface potential calculations. Furthermore, the oriented microwires can serve as crystal orientation markers, and stacking-angle-controlled vertical 2D heterostructures are successfully fabricated by using them as markers. The oriented van der Waals epitaxy can be generalized to any hexagonal 2D crystals and will serve as a unique growth process to form crystals with orientations along the zigzag directions by epitaxy.",

author = "Yangjin Lee and Jahyun Koo and Sol Lee and Yoon, {Jun Yeong} and Kangwon Kim and Myeongjin Jang and Jeongsu Jang and Jeongheon Choe and Li, {Bao Wen} and Le, {Chinh Tam} and Farman Ullah and Kim, {Yong Soo} and Hwang, {Jun Yeon} and Lee, {Won Chul} and Ruoff, {Rodney S.} and Hyeonsik Cheong and Jinwoo Cheon and Hoonkyung Lee and Kwanpyo Kim",

note = "Funding Information: This work was mainly supported by the Basic Science Research Program through the National Research Foundation of Korea (NRF-2017R1A5A1014862 and NRF-2019R1C1C1003643), the Institute for Basic Science (IBS-R026-D1), and Yonsei University Future-leading Research Initiative of 2019 (2019-22-0027). B.-W.L and R.S.R. acknowledge support from the Institute for Basic Science (IBS-R019-D1). C.T.L., F.U., and Y.S.K. acknowledge support by the Priority Research Centers Program (2019R1A6A1A11053838). Publisher Copyright: {\textcopyright} 2019 The Authors. Published by WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim",

year = "2020",

month = feb,

day = "1",

doi = "10.1002/advs.201900757",

language = "English",

volume = "7",

journal = "Advanced Science",

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T1 - Universal Oriented van der Waals Epitaxy of 1D Cyanide Chains on Hexagonal 2D Crystals

AU - Lee, Yangjin

AU - Koo, Jahyun

AU - Lee, Sol

AU - Yoon, Jun Yeong

AU - Kim, Kangwon

AU - Jang, Myeongjin

AU - Jang, Jeongsu

AU - Choe, Jeongheon

AU - Li, Bao Wen

AU - Le, Chinh Tam

AU - Ullah, Farman

AU - Kim, Yong Soo

AU - Hwang, Jun Yeon

AU - Lee, Won Chul

AU - Ruoff, Rodney S.

AU - Cheong, Hyeonsik

AU - Cheon, Jinwoo

AU - Lee, Hoonkyung

AU - Kim, Kwanpyo

N1 - Funding Information: This work was mainly supported by the Basic Science Research Program through the National Research Foundation of Korea (NRF-2017R1A5A1014862 and NRF-2019R1C1C1003643), the Institute for Basic Science (IBS-R026-D1), and Yonsei University Future-leading Research Initiative of 2019 (2019-22-0027). B.-W.L and R.S.R. acknowledge support from the Institute for Basic Science (IBS-R019-D1). C.T.L., F.U., and Y.S.K. acknowledge support by the Priority Research Centers Program (2019R1A6A1A11053838). Publisher Copyright: © 2019 The Authors. Published by WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim

PY - 2020/2/1

Y1 - 2020/2/1

N2 - The atomic or molecular assembly on 2D materials through the relatively weak van der Waals interaction is quite different from the conventional heteroepitaxy and may result in unique growth behaviors. Here, it is shown that straight 1D cyanide chains display universal epitaxy on hexagonal 2D materials. A universal oriented assembly of cyanide crystals (AgCN, AuCN, and Cu0.5Au0.5CN) is observed, where the chains are aligned along the three zigzag lattice directions of various 2D hexagonal crystals (graphene, h-BN, WS2, MoS2, WSe2, MoSe2, and MoTe2). The potential energy landscape of the hexagonal lattice induces this preferred alignment of 1D chains along the zigzag lattice directions, regardless of the lattice parameter and surface elements as demonstrated by first-principles calculations and parameterized surface potential calculations. Furthermore, the oriented microwires can serve as crystal orientation markers, and stacking-angle-controlled vertical 2D heterostructures are successfully fabricated by using them as markers. The oriented van der Waals epitaxy can be generalized to any hexagonal 2D crystals and will serve as a unique growth process to form crystals with orientations along the zigzag directions by epitaxy.

AB - The atomic or molecular assembly on 2D materials through the relatively weak van der Waals interaction is quite different from the conventional heteroepitaxy and may result in unique growth behaviors. Here, it is shown that straight 1D cyanide chains display universal epitaxy on hexagonal 2D materials. A universal oriented assembly of cyanide crystals (AgCN, AuCN, and Cu0.5Au0.5CN) is observed, where the chains are aligned along the three zigzag lattice directions of various 2D hexagonal crystals (graphene, h-BN, WS2, MoS2, WSe2, MoSe2, and MoTe2). The potential energy landscape of the hexagonal lattice induces this preferred alignment of 1D chains along the zigzag lattice directions, regardless of the lattice parameter and surface elements as demonstrated by first-principles calculations and parameterized surface potential calculations. Furthermore, the oriented microwires can serve as crystal orientation markers, and stacking-angle-controlled vertical 2D heterostructures are successfully fabricated by using them as markers. The oriented van der Waals epitaxy can be generalized to any hexagonal 2D crystals and will serve as a unique growth process to form crystals with orientations along the zigzag directions by epitaxy.

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DO - 10.1002/advs.201900757

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M1 - 1900757

ER -

Universal Oriented van der Waals Epitaxy of 1D Cyanide Chains on Hexagonal 2D Crystals

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