High-quality transparent conductive film is very important for flexible
display, especially with super high transmittance, good conductivity,
and excellent stability. In this work, the synthesis and
characterization of a three-dimensional sandwich-like structure,
including a silver nanowire network and PEDOT:PSS coated by two layers
of graphene, a transparent conductive layer named GAPG, were
demonstrated. The transparent conductive layer made full use of the
plasma effect of silver nanowires and the properties of graphene,
including high light transmittance, metalloid conductivity, and
excellent mechanical recovery. The PEDOT:PSS enabled silver nanowires
and double graphene to form a solid whole, which greatly improved the
stability of the membrane. Its sheet resistance was
48.3
Ω
/
◻
, and its electron mobility was
14
,
663
c
m
2
/
(
V
⋅
s
)
,
which were superior to single-layer
graphene and other transparent conductive layers. Compared with other
flexible conductive materials, GAPG had more advantages in mechanical
properties, a wider viewing angle, excellent bending recovery, and
more stable performance. When the film was bent, its light
transmittance was only
±
0.3
Ω
, and the change rate was less than
±
0.2
%
. The scattering of silver nanowires
and PEDOT:PSS particles made the problem of display angle fully
solved. So GAPG is a potential flexible conductive material, which can
be used in electronic paper and other flexible devices to greatly
improve their performance.
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