Advanced Science,
Journal Year:
2024,
Volume and Issue:
11(25)
Published: April 24, 2024
Abstract
Wearable
sensors
hold
immense
potential
for
real‐time
and
non‐destructive
sensing
of
volatile
organic
compounds
(VOCs),
requiring
both
efficient
performance
robust
mechanical
properties.
However,
conventional
colorimetric
sensor
arrays,
acting
as
artificial
olfactory
systems
highly
selective
VOC
profiling,
often
fail
to
meet
these
requirements
simultaneously.
Here,
a
high‐performance
wearable
array
visual
detection
is
proposed
by
extrusion
printing
hybrid
inks
containing
surface‐functionalized
materials.
Surface‐modified
hydrophobic
polydimethylsiloxane
(PDMS)
improves
the
humidity
resistance
sensitivity
PDMS‐coated
dye/metal‐organic
frameworks
(MOFs)
composites.
It
also
enhances
their
dispersion
within
liquid
PDMS
matrix,
thereby
promoting
high‐quality
extrusion‐printing
inks.
The
enable
direct
precise
on
diverse
substrates,
forming
uniform
high
particle‐loading
(70
wt%)
film.
printed
film
flexible
substrate
demonstrates
satisfactory
flexibility
stretchability
while
retaining
excellent
from
dye/MOFs@PDMS
particles.
Further,
exhibits
enhanced
sub‐ppm
levels,
remarkable
relative
(RH)
90%,
differentiation
ability
eight
distinct
VOCs.
Finally,
proves
practical
in
situ
monitoring
wheat
scab‐related
biomarkers.
This
study
presents
versatile
strategy
designing
effective
gas
with
widespread
applications.
Analytical Chemistry,
Journal Year:
2024,
Volume and Issue:
96(5), P. 2152 - 2157
Published: Jan. 27, 2024
Sensing
materials
innovation
plays
a
crucial
role
in
the
development
of
high-performance
film-based
fluorescent
sensors
(FFSs).
In
our
current
study,
we
present
innovative
fabrication
four
nanofilms
via
interfacially
confined
dynamic
reaction
specially
designed
building
block,
new
boron-coordinated
compound
(NI-CHO),
with
chosen
one,
benzene-1,3,5-tricarbohydrazide
(BTH).
The
as
prepared
are
robust,
uniform,
flexible,
and
thickness
tunable,
at
least
from
40
to
1500
nm.
fabricated
FFSs
based
on
Film
3,
one
nanofilms,
shows
highly
selective
fully
reversible
response
NH
Advanced Materials Technologies,
Journal Year:
2024,
Volume and Issue:
9(7)
Published: Feb. 4, 2024
Abstract
Transferring
the
concept
of
chemical‐driven
responses
into
artificial
intelligence
technology
holds
key
to
mimicking
olfactory
for
neuromorphic
computing
chemical
recognition.
Currently,
systems
are
designed
based
on
sensor
arrays.
Time‐dependent
arrays
processed
by
neural
networks
However,
sensors
generate
instantly
volatile
responses,
and
algorithms
processing
time‐dependent
have
not
been
involved.
The
recognition
accuracy
speed
severely
impeded.
A
array
can
only
achieve
an
90%
after
at
least
5
training
epochs.
Herein
chemical‐resistant
synapse
consisting
3D
hierarchical
WO
3
@WO
nanofibers
demonstrated.
exhibit
persistent
resistance
through
exposures
due
strong
chemisorption
water
molecules.
Typical
synaptic
behaviors
including
paired‐pulse
facilitation,
long‐term
−1
short‐term
memory,
learning
experience
achieved.
Next,
a
recurrent
network
that
is
committed
data
used
identify
gas‐phase
chemicals
3‐hydroxy‐2‐butanone,
triethylamine,
trimethylamine.
Training‐free
gas
has
realized
nanofiber
only,
in
which
above
first
epoch.
results
great
potential
satisfy
stringent
performance
requirements
perception
systems.
Advanced Science,
Journal Year:
2024,
Volume and Issue:
11(25)
Published: April 24, 2024
Abstract
Wearable
sensors
hold
immense
potential
for
real‐time
and
non‐destructive
sensing
of
volatile
organic
compounds
(VOCs),
requiring
both
efficient
performance
robust
mechanical
properties.
However,
conventional
colorimetric
sensor
arrays,
acting
as
artificial
olfactory
systems
highly
selective
VOC
profiling,
often
fail
to
meet
these
requirements
simultaneously.
Here,
a
high‐performance
wearable
array
visual
detection
is
proposed
by
extrusion
printing
hybrid
inks
containing
surface‐functionalized
materials.
Surface‐modified
hydrophobic
polydimethylsiloxane
(PDMS)
improves
the
humidity
resistance
sensitivity
PDMS‐coated
dye/metal‐organic
frameworks
(MOFs)
composites.
It
also
enhances
their
dispersion
within
liquid
PDMS
matrix,
thereby
promoting
high‐quality
extrusion‐printing
inks.
The
enable
direct
precise
on
diverse
substrates,
forming
uniform
high
particle‐loading
(70
wt%)
film.
printed
film
flexible
substrate
demonstrates
satisfactory
flexibility
stretchability
while
retaining
excellent
from
dye/MOFs@PDMS
particles.
Further,
exhibits
enhanced
sub‐ppm
levels,
remarkable
relative
(RH)
90%,
differentiation
ability
eight
distinct
VOCs.
Finally,
proves
practical
in
situ
monitoring
wheat
scab‐related
biomarkers.
This
study
presents
versatile
strategy
designing
effective
gas
with
widespread
applications.
