ACS Applied Materials & Interfaces,
Journal Year:
2024,
Volume and Issue:
17(1), P. 2317 - 2326
Published: Dec. 28, 2024
Humidity
sensors
have
been
widely
used
to
monitor
humidity
in
daily
life,
agriculture
fields,
and
so
on.
However,
conventional
are
not
suitable
for
wearable
devices
because
of
their
large
dimensions
rigid
substrates.
Hence,
we
report
a
fast
response,
highly
sensitive,
fully
flexible
sensor
on
PI
substrate
based
the
composite
material
reduced
graphene
oxide
(rGO)/MoS2,
with
response
time
0.65
s
sensitivity
96.7%
relative
range
11%
RH–95%
RH.
A
device
was
realized
by
integrating
prepared
printed
circuit,
which
successfully
applied
human
breathing
monitoring,
motion
nontouch
switches.
These
results
show
that
rGO/MoS2
is
good
candidate
sensing
has
potential
be
fields
switching.
Small,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 17, 2025
Abstract
As
one
of
the
driving
forces
ion
migration,
concentration
gradients
have
large
untapped
potential
to
improve
performance
humidity
sensors.
A
self‐powered
flexible
sensor
based
on
hydrogen‐bonded
organic
framework
electrolytes
wherein
Na
+
induce
efficient
migration
is
presented
that
can
be
attributed
reversible
effect
ambient
water
molecules
barrier
.
The
exhibits
superior
flexibility,
rapid
responsiveness,
high
sensitivity
(0.17
µA/%
relative
humidity),
response
time
(1.06
s),
and
outstanding
stability
(>200
cycles).
humidity‐responsive
device
gradient
exhibited
excellent
self‐powering
capability,
eliminating
need
for
an
external
power
unit
demonstrating
impressive
generation
potential,
which
achieves
a
current
density
up
164
mA
m
−2
5.625
mW
This
research
presents
new
paradigm
developing
sensors
demonstrates
their
exceptional
in
noncontact
sensing
applications.
Journal of Materials Chemistry A,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 1, 2025
Semi-curing
combined
with
low-pressure
pressing
imparts
high
adhesion,
low
surface
roughness,
and
exceptional
mechanical
optoelectronic
performance
to
Ag-NW
transparent
electrodes.
Graphene
has
the
great
potential
to
be
used
for
humidity
sensing
due
ultrahigh
surface
area
and
conductivity.
However,
impact
of
different
atomic
layers
graphene
on
SiO2/Si
substrate
have
not
been
studied
yet.
In
this
paper,
we
fabricated
three
types
sensors
based
one
graphene,
in
which
areas
are
75
{\mu}m
*
72
45
{\mu}m,
respectively.
We
both
number
responsivity
response/recovery
time
prepared
graphene-based
sensors.
found
relative
resistance
change
devices
decreased
with
increase
under
same
humidity.
Further,
tri-layer
showed
fastest
while
double-layer
slowest
time.
Finally,
chose
that
relatively
good
stability
application
respiration
monitoring
contact-free
finger
monitoring.
