Oriented Growth of Gold Nanowires on MoS2

Daisuke Kiriya; Yuzhi Zhou; Christopher Nelson; Mark Hettick; Surabhi Rao Madhvapathy; Kevin Chen; Peida Zhao; Mahmut Tosun; Andrew M. Minor; Daryl C. Chrzan; Ali Javey

doi:10.1002/adfm.201502582

Oriented Growth of Gold Nanowires on MoS₂

Daisuke Kiriya, Yuzhi Zhou, Christopher Nelson, Mark Hettick, Surabhi Rao Madhvapathy, Kevin Chen, Peida Zhao, Mahmut Tosun, Andrew M. Minor, Daryl C. Chrzan, Ali Javey

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

24 Scopus citations

Abstract

Layered 2D materials serve as a new class of substrates for templated synthesis of various nanomaterials even with highly dissimilar crystal structures; thus overcoming the lattice constraints of conventional epitaxial processes. Here, molybdenum disulfide (MoS₂) is used as a prototypical model substrate for oriented growth of in-plane Au nanowires (NWs) despite the nearly 8% lattice mismatch between MoS₂ and Au. Au NWs on the MoS₂ surface are oriented along three symmetrically equivalent directions within the substrate arising from the strong Au-S binding that templates the oriented growth. The kinetics of the growth process are explored through experiments and modeling. Strong charge transfer is observed between Au NWs and MoS₂, resulting in degenerate p-doping of MoS₂.

Original language	English
Pages (from-to)	6257-6264
Number of pages	8
Journal	Advanced Functional Materials
Volume	25
Issue number	39
DOIs	https://doi.org/10.1002/adfm.201502582
State	Published - Oct 1 2015
Externally published	Yes

Keywords

field effect transistors (FET)
nanowires
transition metal dichalcogenides

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10.1002/adfm.201502582

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title = "Oriented Growth of Gold Nanowires on MoS2",

abstract = "Layered 2D materials serve as a new class of substrates for templated synthesis of various nanomaterials even with highly dissimilar crystal structures; thus overcoming the lattice constraints of conventional epitaxial processes. Here, molybdenum disulfide (MoS2) is used as a prototypical model substrate for oriented growth of in-plane Au nanowires (NWs) despite the nearly 8% lattice mismatch between MoS2 and Au. Au NWs on the MoS2 surface are oriented along three symmetrically equivalent directions within the substrate arising from the strong Au-S binding that templates the oriented growth. The kinetics of the growth process are explored through experiments and modeling. Strong charge transfer is observed between Au NWs and MoS2, resulting in degenerate p-doping of MoS2.",

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T1 - Oriented Growth of Gold Nanowires on MoS2

AU - Kiriya, Daisuke

AU - Zhou, Yuzhi

AU - Nelson, Christopher

AU - Hettick, Mark

AU - Madhvapathy, Surabhi Rao

AU - Chen, Kevin

AU - Zhao, Peida

AU - Tosun, Mahmut

AU - Minor, Andrew M.

AU - Chrzan, Daryl C.

AU - Javey, Ali

PY - 2015/10/1

Y1 - 2015/10/1

N2 - Layered 2D materials serve as a new class of substrates for templated synthesis of various nanomaterials even with highly dissimilar crystal structures; thus overcoming the lattice constraints of conventional epitaxial processes. Here, molybdenum disulfide (MoS2) is used as a prototypical model substrate for oriented growth of in-plane Au nanowires (NWs) despite the nearly 8% lattice mismatch between MoS2 and Au. Au NWs on the MoS2 surface are oriented along three symmetrically equivalent directions within the substrate arising from the strong Au-S binding that templates the oriented growth. The kinetics of the growth process are explored through experiments and modeling. Strong charge transfer is observed between Au NWs and MoS2, resulting in degenerate p-doping of MoS2.

AB - Layered 2D materials serve as a new class of substrates for templated synthesis of various nanomaterials even with highly dissimilar crystal structures; thus overcoming the lattice constraints of conventional epitaxial processes. Here, molybdenum disulfide (MoS2) is used as a prototypical model substrate for oriented growth of in-plane Au nanowires (NWs) despite the nearly 8% lattice mismatch between MoS2 and Au. Au NWs on the MoS2 surface are oriented along three symmetrically equivalent directions within the substrate arising from the strong Au-S binding that templates the oriented growth. The kinetics of the growth process are explored through experiments and modeling. Strong charge transfer is observed between Au NWs and MoS2, resulting in degenerate p-doping of MoS2.

KW - field effect transistors (FET)

KW - nanowires

KW - transition metal dichalcogenides

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JO - Advanced Functional Materials

JF - Advanced Functional Materials

IS - 39

ER -

Oriented Growth of Gold Nanowires on MoS₂

Abstract

Keywords

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