Sensors,
Journal Year:
2024,
Volume and Issue:
24(17), P. 5844 - 5844
Published: Sept. 9, 2024
The
most
frequently
used
sulfonamide
is
sulfamethazine
(SMZ)
because
it
often
found
in
foods
made
from
livestock,
which
hazardous
for
individuals.
Here,
we
have
developed
an
easy,
quick,
selective,
and
sensitive
analytical
technique
to
efficiently
detect
SMZ.
Recently,
transition
metal
oxides
attracted
many
researchers
their
excellent
performance
as
a
promising
sensor
SMZ
analysis
of
superior
redox
activity,
electrocatalytic
electroactive
sites,
electron
transfer
properties.
Further,
Cu-based
resilient
electrical
conductivity;
however,
boost
extreme
extent,
composite
including
two-dimensional
(2D)
graphitic
carbon
nitride
(g-C3N4)
nanosheets
needs
be
constructed
ready
(denoted
g-C3N4/Cu2Y2O5).
Moreover,
several
techniques,
X-ray
diffraction
analysis,
scanning
microscopy
energy-dispersive
spectroscopy,
Fourier
transform
infrared
Raman
spectroscopy
were
employed
analyze
the
composites.
electrochemical
measurements
revealed
that
g-C3N4/Cu2Y2O5
composites
exhibit
great
activity.
Nevertheless,
achieved
outstanding
repeatability
reproducibility
alongside
low
limit
detection
(LOD)
0.23
µM,
long
linear
range
2
276
electrode
sensitivity
8.86
µA
µM−1
cm−2.
Finally,
proposed
GCE/g-C3N4/Cu2Y2O5
proved
highly
effective
food
samples,
with
acceptable
recoveries.
has
been
successfully
applied
water
samples.
Advanced Powder Materials,
Journal Year:
2023,
Volume and Issue:
3(1), P. 100150 - 100150
Published: July 5, 2023
Graphitic
carbon
nitride
nanosheets
(CNNs)
become
the
most
promising
member
in
family
benefitted
from
their
two-dimensional
structural
features.
Recently,
great
endeavors
have
been
made
synthesis
and
modification
of
CNNs
to
improve
photocatalytic
properties,
many
exciting
progresses
gained.
In
order
elucidate
fundamentals
based
catalysts
provide
insights
into
rational
design
photocatalysis
system,
we
describe
recent
progress
preparation
strategies
applications
this
review.
Firstly,
physicochemical
properties
are
briefly
introduced.
Secondly,
approaches
reviewed,
including
top-down
stripping
(thermal,
gas,
liquid,
composite
stripping)
bottom-up
precursor
molecules
(solvothermal,
template,
supramolecular
self-assembly
method).
Subsequently,
on
years
discussed,
crystal
structure
design,
doping,
surface
functionalization,
constructing
2D
heterojunction,
anchoring
single-atom.
Then
multifunctional
g-C3N4
nanosheet
materials
H2
evolution,
O2
overall
water
splitting,
H2O2
production,
CO2
reduction,
N2
fixation,
pollutant
removal,
organic
synthesis,
sensing
highlighted.
Finally,
opportunities
challenges
for
development
high-performance
systems
also
promising.
Small,
Journal Year:
2022,
Volume and Issue:
19(5)
Published: Dec. 7, 2022
Assembling
different
2D
nanomaterials
into
heterostructures
with
strong
interfacial
interactions
presents
a
promising
approach
for
novel
artificial
photocatalytic
materials.
Chemically
implementing
the
nanomaterials'
construction/stacking
modes
to
regulate
interfaces
can
extend
their
functionalities
and
achieve
good
performance.
Herein,
based
on
fundamental
principles
photochemical
processes,
multiple
construction
(e.g.,
face-to-face,
edge-to-face,
interface-to-face,
edge-to-edge)
are
overviewed
systematically
emphasis
relationships
between
characteristics
point,
linear,
planar),
synthetic
strategies
in
situ
growth,
ex
assembly),
enhanced
applications
precise
regulation.
Meanwhile,
recent
efforts
enhancing
performances
of
2D/2D
summarized
from
critical
factors
visible
light
absorption,
accelerating
charge
transfer/separation,
introducing
active
sites.
Notably,
crucial
roles
surface
defects,
cocatalysts,
modification
performance
optimization
also
discussed
synergistic
effect
engineering
heterogeneous
interfaces.
Finally,
perspectives
challenges
proposed
emphasize
future
opportunities
expanding
photocatalysis.
ACS Catalysis,
Journal Year:
2023,
Volume and Issue:
13(5), P. 2790 - 2801
Published: Feb. 9, 2023
Restricted
by
the
limited
exciton
diffusion
and
unproductive
recombination,
efficiency
of
photon-to-chemical
conversion
on
polymeric
carbon
nitride
(CN)
photocatalyst
is
generally
unsatisfactory.
The
rational
design
an
efficient
challenging
due
to
ambiguous
understanding
structure–property–photocatalytic
activity
relationship.
study
herein
demonstrates
unprecedently
for
photoproduction
hydrogen
peroxide
(H2O2),
as
well
mechanistic
rationale
behind
remarkable
catalytic
performance.
Anchoring
cationic
methyl
viologen
(MV)
CN
with
anionic
moiety
generates
ionic
link
elicits
internal
local
electric
field
in
organic
framework,
which
significantly
enhances
dissociation.
Femtosecond
transient
absorption
spectroscopy
analysis
that
MV
surface
complex-induced
favors
generation
long-lived
trapped
electron,
especially
under
high
photon-flux
irradiation
>450
mW
cm–2.
CN–MV
thus
exhibits
superior
photocatalytic
performance
H2O2
production,
example,
114.2
mM
a
53
min
reaction
continuous
microbatch
photoreactor.
apparent
quantum
yield
reaches
value
51.1%.
present
highlights
significant
impact
complex
electronic
energy
landscape
toward
enhanced
dissociation
hence
improved
various
applications.
Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: May 14, 2024
Abstract
Electrochemical
(EC)
analysis
has
emerged
as
a
high‐sensitivity,
reliable,
cost‐effective,
and
rapidly
evolving
technique
that
garnered
significant
attention
across
diverse
domains.
Furthermore,
EC‐based
techniques
hold
great
potential
for
miniaturization
integration.
The
integration
of
EC
with
mode/signal
(such
light,
magnetic,
thermal
signals,
etc.)
provides
unique
opportunities
biosensors
to
acquire
more
information
through
single
sensing
platform.
By
coupling
multiple
signals
or
processing
them
logically,
the
detection
accuracy
can
be
further
improved,
probability
false
positives
negatives
minimized.
In
this
review,
thorough
multi‐
sensors
in
field
is
conducted,
along
their
various
(e.g.,
fluorescence,
photothermal,
colorimetry,
microfluidic,
etc.).
aim
delve
into
latest
advances,
applications,
well
challenges
multi‐mode/signal
biosensors,
where
utilization
modalities
helps
enhance
accuracy,
sensitivity,
selectivity.
This
review
new
insight
synergistic
effects
integrating
other
techniques,
aiming
shed
light
on
near‐future
developments
EC‐integrated
biosensors.
Progress in Materials Science,
Journal Year:
2024,
Volume and Issue:
144, P. 101289 - 101289
Published: March 28, 2024
This
comprehensive
review
explores
the
potential
of
tailored
carbon
materials
(TCM)
for
efficient
photocatalytic
degradation
polyaromatic
hydrocarbons
(PAHs),
which
are
persistent
and
toxic
organic
pollutants
posing
significant
environmental
challenges.
The
unique
structure
properties
TCM
including
graphene
nanotubes
to
activated
dots,
have
projected
them
as
next-generation
technological
innovation.
A
careful
critical
discussion
state-of-the-art
research
sheds
light
on
their
effectiveness
in
catalyzing
breakdown
PAHs,
projects
suitable
management
environment.
Beyond
this
viewpoint,
article
expands
scope
1)
biomedical
healthcare,
2)
energy
storage
conversion,
3)
advanced
electronics.
challenges,
opportunities,
future
perspectives
related
role
applications,
inspiring
further
research,
innovation
photo-induced
techniques
also
carefully
discussed
article.
focused
serves
a
valuable
resource
researchers
industrialists
interested
harnessing
capabilities
carbon-based
sustainable
PAHs
other
pollutants.
It
addresses
pressing
need
effective
remediation
pollution
control
strategies.
Nanoscale,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 1, 2025
Schematic
of
functional
materials
for
electrochemical
sensors,
showcasing
MWCNTs,
CNFs,
GO,
Pd,
Pt,
Ni,
Fe,
Co,
COFs,
MOFs
detecting
heavy
metal
ions
(Pb,
Cd,
Hg,
Cu,
Cr,
As)
in
complex
environments
with
high
sensitivity
and
reliability.
Small Methods,
Journal Year:
2022,
Volume and Issue:
6(12)
Published: Nov. 6, 2022
Inspired
by
natural
photosynthesis,
harnessing
the
wide
range
of
solar
energy
and
utilizing
appropriate
semiconductor-based
catalysts
to
convert
carbon
dioxide
into
beneficial
species,
for
example,
CO,
CH4
,
HCOOH,
CH3
COH
have
been
shown
be
a
sustainable
more
environmentally
friendly
approach.
Graphitic
nitride
(g-C3
N4
)
has
regarded
as
highly
effective
photocatalyst
CO2
reduction
reaction,
owing
its
cost-effectiveness,
high
thermal
chemical
stability,
visible
light
absorption
capability,
low
toxicity.
However,
weaker
electrical
conductivity,
fast
recombination
rate,
smaller
window,
reduced
surface
area
make
this
catalytic
material
unsuitable
commercial
photocatalytic
applications.
Therefore,
certain
procedures,
including
elemental
doping,
structural
modulation,
functional
group
adjustment
g-C3
addition
metal
complex
motif,
others,
may
used
improve
activity
towards
reduction.
This
review
investigated
scientific
community's
perspectives
on
synthetic
pathways
optimization
approaches
increase
selectivity
efficiency
-based
hybrid
structures,
well
their
benefits
drawbacks
Finally,
concludes
comparative
discussion
presents
promising
picture
future
scope
improvements.