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Designer Shape Anisotropy on Transition‐Metal‐Dichalcogenide Nanosheets
Author(s) -
Martella Christian,
Mennucci Carlo,
Lamperti Alessio,
Cappelluti Emmanuele,
de Mongeot Francesco Buatier,
Molle Alessandro
Publication year - 2018
Publication title -
advanced materials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 10.707
H-Index - 527
eISSN - 1521-4095
pISSN - 0935-9648
DOI - 10.1002/adma.201705615
Subject(s) - anisotropy , materials science , nanotechnology , transition metal , chemical vapor deposition , flexibility (engineering) , strain engineering , nanostructure , catalysis , optoelectronics , optics , physics , chemistry , biochemistry , statistics , mathematics , silicon
MoS 2 and generally speaking, the wide family of transition‐metal dichalcogenides represents a solid nanotechnology platform on which to engineer a wealth of new and outperforming applications involving 2D materials. An even richer flexibility can be gained by extrinsically inducing an in‐plane shape anisotropy of the nanosheets. Here, the synthesis of anisotropic MoS 2 nanosheets is proposed as a prototypical example in this respect starting from a highly conformal chemical vapor deposition on prepatterend substrates and aiming at the more general purpose of tailoring anisotropy of 2D nanosheets by design. This is envisioned to be a suitable configuration for strain engineering as far as strain can be spatially redistributed in morphologically different regions. With a similar approach, both the optical and electronic properties of the 2D transition‐metal dichalcogenides can be tailored over macroscopic sample areas in a self‐organized fashion, thus paving the way for new applications in the field of optical metasurfaces, light harvesting, and catalysis.