Size selection and thin-film assembly of MoS2 elucidates thousandfold conductivity enhancement in few-layer nanosheet networks†
Sean P.
Ogilvie, 
*a
Matthew J.
Large,
a
Aline
Amorim Graf,
a
Alice A. K.
King
a
and
Alan B.
Dalton
*a
*a
Matthew J.
Large,
a
Aline
Amorim Graf,
a
Alice A. K.
King
a
and
Alan B.
Dalton
*a
Abstract
Printed electronics based on liquid-exfoliated nanosheet networks are limited by inter-nanosheet junctions and thick films which hinder field-effect gating. Here, few-layer molybdenum disulfide nanosheets are assembled by Langmuir deposition into thin films, and size selection is shown to lead to a thousandfold conductivity enhancement with potential applicability to all nanosheet networks.
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