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Oriented Growth of Gold Nanowires on MoS 2
Author(s) -
Kiriya Daisuke,
Zhou Yuzhi,
Nelson Christopher,
Hettick Mark,
Madhvapathy Surabhi Rao,
Chen Kevin,
Zhao Peida,
Tosun Mahmut,
Minor Andrew M.,
Chrzan Daryl C.,
Javey Ali
Publication year - 2015
Publication title -
advanced functional materials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 6.069
H-Index - 322
eISSN - 1616-3028
pISSN - 1616-301X
DOI - 10.1002/adfm.201502582
Subject(s) - materials science , nanowire , molybdenum disulfide , nanomaterials , nanotechnology , epitaxy , template , substrate (aquarium) , doping , optoelectronics , composite material , oceanography , layer (electronics) , geology
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 (MoS 2 ) is used as a prototypical model substrate for oriented growth of in‐plane Au nanowires (NWs) despite the nearly 8% lattice mismatch between MoS 2 and Au. Au NWs on the MoS 2 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 MoS 2 , resulting in degenerate p‐doping of MoS 2 .