Advanced Functional Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Ноя. 20, 2024
Abstract
Advanced
electrode
materials
with
simple
manufacturing
processes
and
wide
voltage
windows
are
needed
for
the
commercialization
of
high
energy
density
supercapacitors.
Herein,
a
facile
method
is
presented
fabricating
self‐supporting
anodes
cathodes
quasi‐solid‐state
asymmetric
supercapacitors
(QASCs)
by
hydrothermally
reacting
2‐thiobarbituric
acid
(TBA)
Fe
foam
(IF)
Co
(CF),
yielding
FeTBA
4
/FeOOH/IF
9
S
8
/CF
electrodes,
respectively.
Due
to
perfect
match
between
two
redox‐active
TBA
ligands
in
,
2D
ultrathin
nanosheet
structure
/FeOOH/IF,
multiple
pairs
reversible
redox
reactions
suppressing
water
splitting,
configured
/CF//FeTBA
QASC
device
delivers
outstanding
performance.
The
possesses
operating
window
1.6
V,
leading
82.64
Wh
kg
−1
at
486.38
W
an
equally
impressive
35.36
4595.92
.
Furthermore,
98.5%
capacitance
retention
realized
after
10000
charging–discharging
cycles.
Impressively,
functional
theory
(DFT)
calculations
reveal
unique
pseudocapacitive
on
surface
electrodes.
Importantly,
this
work
guides
development
high‐energy‐density
via
matching
electrodes
use
complex
Materials,
Год журнала:
2025,
Номер
18(2), С. 451 - 451
Опубликована: Янв. 19, 2025
Hydrogen
has
emerged
as
a
prominent
candidate
for
future
energy
sources,
garnering
considerable
attention.
Given
its
explosive
nature,
the
efficient
detection
of
hydrogen
(H2)
in
environment
using
H2
sensors
is
paramount.
Chemoresistive
sensors,
particularly
those
based
on
noble-metal-decorated
metal
oxide
semiconductors
(MOSs),
have
been
extensively
researched
owing
to
their
high
responsiveness,
low
limits,
and
other
favorable
characteristics.
Despite
numerous
recent
studies
reviews
reporting
advancements
this
field,
comprehensive
review
focusing
rational
design
sensing
materials
enhance
overall
performance
chemoresistive
MOFs
lacking.
This
aims
address
gap
by
examining
principles,
applications,
challenges
with
specific
focus
Pd-decorated
Pt-decorated
MOSs-based
materials.
The
observations
explanations
strategies
employed
literature,
within
last
three
years,
analyzed
provide
insights
into
latest
research
directions
developments
domain.
understanding
essential
designing
fabricating
highly
sensors.
Chemosensors,
Год журнала:
2024,
Номер
12(12), С. 244 - 244
Опубликована: Ноя. 22, 2024
The
efficient
detection
of
volatile
organic
compounds
(VOCs)
is
critically
important
in
the
domains
environmental
protection,
healthcare,
and
industrial
safety.
development
metal
oxide
semiconductor
(MOS)
heterojunction
gas-sensing
materials
considered
one
most
effective
strategies
to
enhance
sensor
performance.
This
review
summarizes
discusses
types
heterojunctions
their
working
principles,
enhancement
strategies,
preparation
methodologies,
applications
acetone
ethanol
detection.
To
address
constraints
pertaining
low
sensitivity,
sluggish
response/recovery
times,
elevated
operating
temperatures
that
are
inherent
VOC
sensors,
several
improvement
methods
proposed,
including
doping
with
metals
like
Ag
Pd,
incorporating
additives
such
as
MXene
polyoxometalates,
optimizing
morphologies
through
a
fine
design,
self-doping
via
oxygen
vacancies.
Furthermore,
this
work
provides
insights
into
challenges
faced
by
MOSs
heterojunction-based
gas
sensors
outlines
future
research
directions
field.
will
contribute
foundational
theories
overcome
existing
bottlenecks
MOS
technology
while
promoting
its
large-scale
application
disease
screening
or
agricultural
food
quality
assessments.
Nanomaterials,
Год журнала:
2025,
Номер
15(4), С. 303 - 303
Опубликована: Фев. 16, 2025
The
development
of
high-performance
carbon
monoxide
(CO)
sensors
is
essential
for
protecting
human
health,
ensuring
industrial
safety,
and
maintaining
environmental
well-being.
Among
various
types
sensors,
chemiresistive
exhibit
considerable
promise
real-time
applications
due
to
their
operational
capabilities.
To
achieve
high
performances
this
review
emphasizes
enhancement
strategies,
encompassing
the
refinement
sensing
materials,
augmentation
sensor
structures,
optimization
gas
recognition
algorithms.
Specifically,
modification
techniques
which
include
construction
heterostructures,
decoration
with
noble
metals,
surface
functionalization,
hetero-element-doping,
morphology
engineering,
are
delved
into
comprehensively.
This
provides
insights
rational
design
cost-effective
CO
sensors.
MoS2-based
composites
have
attracted
considerable
attention
in
catalysis
owing
to
their
exceptional
catalytic
properties.
However,
challenges
such
as
severe
nanosheets
(NSs)
aggregation
and
inherent
difficulties
functionalization
significantly
hindered
practical
application.
Herein,
one-dimensional
(1D)
APTES
microtubes
decorated
with
MoS2
NSs
(APTES@MoS2)
were
synthesized
through
a
self-template-directed
synthesis
approach.
Comprehensive
analysis
confirmed
that
APTES@MoS2
exhibited
abundant
amine
groups
well
high
active
sites
for
noble
metal
recovery.
Utilizing
capturing
agents,
intrinsic
self-reduction
properties
chemical
stability
exploited
evaluate
efficacy
recovering
Ag+,
Au3+,
Pd2+
ions.
The
resultant
APTES@MoS2-Au,
Ag,
Pd
demonstrated
the
conversion
of
4-nitrophenol
(4-NP).
Moreover,
MoO3@APTES
precursors
can
be
used
versatile
templates
obtain
series
tubular
structured
APTES,
APTES@SiO2,
APTES@PDA,
APTES@NiMoO4
microtubes,
greatly
widening
application
precursors.
This
study
introduces
novel
approach
fabricate
economically
viable,
ultra-active
molybdenum
disulfide
(MoS2)-engineered
nanohybrids,
demonstrating
promise
advanced
applications
electrochemical
energy
transduction
systems
biomedical
diagnostic
technologies.
