Graphene
nanoribbons,
particularly
armchair
graphene
nanoribbons
(AGNR),
are
effective
biosensors
for
detecting
sulfur
dioxide
(SO2)
due
to
their
unique
structural
and
electronic
properties.
This
study
uses
density
functional
theory
(DFT)
assess
the
sensitivity
of
both
pure
chromium
(Cr)-doped
five-membered
zigzag
(5-ZGNR)
Cr-doped
AGNR
SO2.
Key
findings
indicate
that
SO2
significantly
alters
properties
AGNR,
with
band
structure
showing
a
marked
increase
in
adsorption
energy
from
0.07
eV
0.55
suggesting
strong
chemisorption.
The
Fermi
surface
analysis
reveals
doping
Cr
causes
separation
levels,
resulting
forbidden
band.
substantial
change
upon
exposure
makes
highly
sensitive
detection.
Moreover,
orientation
exhibits
better
peak-to-valley
ratio
compared
orientation,
highlighting
its
superior
adsorption.
Results in Chemistry,
Journal Year:
2023,
Volume and Issue:
5, P. 100971 - 100971
Published: Jan. 1, 2023
Due
to
their
exceptional
thermal,
electrical,
magnetic,
optical,
and
mechanical
capabilities
as
well
substantial
specific
surface
area,
graphene-based
materials
have
gained
a
great
deal
of
attention
in
recent
years.
For
use
energy
storage,
electronics,
gas
sorption,
separation,
sensing,
catalysis,
wide
range
graphene-related
been
synthesized.
Particularly,
graphene
has
hailed
the
perfect
material
advance
emerging
technologies.
practical
applications,
high
cost
low
yield
continue
be
major
obstacles.
High-quality
is
synthesized
on
massive
scale
using
variety
methods.
The
design
management
synthesis
methods
can
used
produce
certain
structural
characteristics.
Therefore,
this
review
explains
several
ways
make
graphene.
Moreover,
its
uses
disciplines,
particularly
technologies,
such
energy,
environment,
membranes,
coatings,
biomedicine,
sensors
discussed.
This
article
concludes
by
providing
succinct
summary,
highlighting
issues,
outlining
potential
for
Biosensors,
Journal Year:
2024,
Volume and Issue:
14(4), P. 190 - 190
Published: April 13, 2024
As
technology
advances,
electronic
tongues
and
noses
are
becoming
increasingly
important
in
various
industries.
These
devices
can
accurately
detect
identify
different
substances
gases
based
on
their
chemical
composition.
This
be
incredibly
useful
fields
such
as
environmental
monitoring
industrial
food
applications,
where
the
quality
safety
of
products
or
ecosystems
should
ensured
through
a
precise
analysis.
Traditionally,
this
task
is
performed
by
an
expert
panel
using
laboratory
tests
but
sometimes
becomes
bottleneck
because
time
other
human
factors
that
solved
with
technologies
provided
tongue
nose
devices.
Additionally,
these
used
medical
diagnosis,
monitoring,
even
automotive
industry
to
gas
leaks.
The
possibilities
endless,
continue
improve,
they
will
undoubtedly
play
role
improving
our
lives
ensuring
safety.
Because
multiple
applications
developments
field
last
years,
work
present
overview
from
point
view
approaches
developed
methodologies
data
analysis
steps
aim.
In
same
manner,
shows
some
found
use
ends
conclusions
about
current
state
technologies.
Since
the
discovery
of
graphene
in
2004,
two-dimensional
materials
have
attracted
increasing
attention
due
to
their
unique
structure,
excellent
conductivity,
and
high
electrochemical
activity.
This
review
begins
by
providing
an
overview
physical
chemical
properties
layered
nanomaterials,
such
as
graphene,
transition
metal
chalcogenides,
carbides,
nitrides.
It
summarizes
applications
different
types
batteries,
including
lithium-ion
aluminum-ion
dual-ion
etc.,
based
on
respective
properties.
The
synthesis
methods
these
are
briefly
discussed.
focus
then
shifts
reasons
why
when
employed
cathode
materials,
enhance
battery
performance.
Additionally,
strategies
for
optimizing
certain
nanomaterials
explored
further
performance
batteries.
Finally,
future
research
prospects
Chemistry of Inorganic Materials,
Journal Year:
2024,
Volume and Issue:
3, P. 100044 - 100044
Published: March 19, 2024
The
detection
of
mycotoxins
is
a
worldwide
issue
given
their
significant
effects
on
both
food
safety
and
human
health.
European
Union
(EU)
has
implemented
various
measures
to
address
mycotoxin
contamination
regulate
levels
in
feed.
Given
the
high
toxicity
mycotoxins,
it
essential
develop
sensor
that
sensitive,
selective,
practical
for
detection.
electrochemical
sensing
platforms
emerge
as
feasible
analytical
instrument
tackling
specificity
sensitivity
concerns,
owing
its
cost-effectiveness,
efficiency,
user-friendly
nature.
present
review
outlines
variety
have
been
developed
recent
years
mycotoxins.
Initially,
provides
an
overview
sensors,
nonenzymatic
enzymatic
featuring
diverse
bioreceptors
such
immunosensors,
aptasensors,
all
geared
towards
detecting
subsequent
section
further
details
sensors
are
portable,
wireless,
compatible
with
smartphones.
In
summary,
sought
offer
valuable
perspectives
existing
challenges
prospective
advancements
technology.
