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Flexible Foil of Hybrid TaS 2 /Organic Superlattice: Fabrication and Electrical Properties
Author(s) -
Zong PengAn,
Yoo Dongho,
Zhang Peng,
Wang Yifeng,
Huang Yujia,
Yin Shujia,
Liang Jia,
Wang Yiliang,
Koumoto Kunihito,
Wan Chunlei
Publication year - 2020
Publication title -
small
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 3.785
H-Index - 236
eISSN - 1613-6829
pISSN - 1613-6810
DOI - 10.1002/smll.201901901
Subject(s) - materials science , superlattice , monolayer , graphene , fabrication , foil method , nanotechnology , optoelectronics , electrical resistivity and conductivity , condensed matter physics , composite material , electrical engineering , medicine , alternative medicine , engineering , pathology , physics
TaS 2 nanolayers with reduced dimensionality show interesting physics, such as a gate‐tunable phase transition and enhanced superconductivity, among others. Here, a solution‐based strategy to fabricate a large‐area foil of hybrid TaS 2 /organic superlattice, where [TaS 2 ] monolayers and organic molecules alternatively stack in atomic scale, is proposed. The [TaS 2 ] layers are spatially isolated with remarkably weakened interlayer bonding, resulting in lattice vibration close to that of TaS 2 monolayers. The foil also shows excellent mechanical flexibility together with a large electrical conductivity of 1.2 × 10 3 S cm −1 and an electromagnetic interference of 31 dB, among the highest values for solution‐processed thin films of graphene and inorganic graphene analogs. The solution‐based strategy reported herein can add a new dimension to manipulate the structure and properties of 2D materials and provide new opportunities for flexible nanoelectronic devices.