Particle & Particle Systems Characterization,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Dec. 31, 2024
Abstract
Green
nanotechnology,
which
uses
carbon
nanomaterials
for
environmental
remediation,
is
the
pioneer
among
prevailing
approaches
production
and
characterization.
In
present
study,
highly
fluorescent
dots
(CDs)
from
Ruta
Graveolens
(
ARH‐CD
)
developed,
its
efficacy
as
a
sensor
biomarker
investigated.
They
act
fluorescence
Hg
2+
over
an
extensive
concentration
range
of
1
picomolar
(p
m
to
molar
),
with
detection
limit
low
26.75
p
.
The
studies
reveal
effective
intracellular
toxicity
analysis
probe
multi‐colored
(blue,
green,
red)
imaging
HEK293
cell
lines.
After
24
h
incubation,
it
found
that
ARH
material
reveals
noticeable
biocompatibility
visible
fluorescence,
viability
98.88%
at
5
µg
mL
−1
78.33%
even
100
IC50
value
MTT
assay
results
calculated
be
224.56
±
4.67
µg,
further
confirms
appreciable
ARH‐CD.
obtained
samples
are
in
being
inspected
serve
possible
candidate
imaging.
Applied Physics Reviews,
Journal Year:
2024,
Volume and Issue:
11(4)
Published: Oct. 8, 2024
Significant
efforts
have
been
dedicated
to
hydrogen
production
through
photocatalytic
water
splitting
(PWS)
over
the
past
five
decades.
However,
achieving
commercially
viable
solar-to-hydrogen
conversion
efficiency
in
PWS
systems
remains
elusive.
These
face
intrinsic
and
extrinsic
challenges,
such
as
inadequate
light
absorption,
insufficient
charge
separation,
limited
redox
active
sites,
low
surface
area,
scalability
issues
practical
designs.
To
address
these
issues,
conventional
strategies
including
heterojunction
engineering,
plasmonics,
hybridization,
lattice
defects,
sensitization,
upconversion
processes
extensively
employed.
More
recently,
innovative
hybrid
like
photonic
crystal-assisted
polarization
field-assisted
emerged,
which
improve
absorption
separation
by
harnessing
slow
photon
effect,
multiple
scattering,
piezoelectric,
pyroelectric,
ferroelectric
properties
of
materials.
This
review
article
aims
provide
a
comprehensive
examination
summary
new
synergistic
approaches,
integrating
plasmonic
effects,
processes,
crystal
photocatalysis.
It
also
explores
role
temperature
suppressing
exciton
recombination
during
photothermic
highlights
emerging
effects
magnetic
fields,
periodic
illumination,
many-body
large-hole
polaron,
anapole
excitations,
hold
significant
potential
advance
technology
facilitate
renewable
generation.
Advanced Optical Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 5, 2025
Abstract
Carbonized
polymer
dots
(CPDs)
are
a
class
of
luminescent
nanomaterials
formed
through
cross‐linking
and
polymerization.
Owing
to
their
excellent
biocompatibility,
ease
synthesis,
good
aqueous
dispersion,
high
chemical
stability,
unique
structure,
modifiable
surface
properties,
CPDs
have
attracted
significant
attention.
However,
pure
exhibit
certain
limitations
in
terms
optical
performance,
particularly
fluorescence
intensity,
phosphorescence
emission
wavelength
tunability,
which
may
not
meet
the
requirements
specific
applications.
To
address
these
limitations,
doping
with
various
elements,
such
as
nitrogen
(N),
sulfur
(S),
phosphorus
(P)
modify
band
structure
functionalization
can
significantly
enhance
properties
photochemical
thereby
expanding
application
potential.
This
paper
reviews
main
synthesis
methods
for
elementally
doped
CPDs,
examines
effects
different
types
elemental
on
explores
promising
applications
optoelectronic
devices,
sensors,
catalysis.
Finally,
recent
advancements
summarized,
along
future
development
directions
challenges.
Catalysts,
Journal Year:
2025,
Volume and Issue:
15(3), P. 240 - 240
Published: March 1, 2025
Carbon
materials
have
been
employed
in
many
applications
flue
gas
purification
due
to
their
high
specific
surface
area,
good
chemical
inertness,
and
tunable
chemistry.
However,
traditional
methods
such
as
adsorption
or
metal-loaded
catalysis
can
be
financially
burdensome.
The
of
carbon
contains
abundant
vacancies,
interstitial
atoms,
boundaries,
other
defects.
These
structural
defects
are
often
modified
with
saturated
unsaturated
functional
groups
containing
heteroatoms
oxygen,
nitrogen,
etc.,
thus
possessing
a
certain
acid–base
property
redox
ability,
which
makes
the
themselves
some
catalytic
activity.
metal-free
pollutants
offers
promising
solution
improve
removal
efficiency
while
reducing
costs
significantly.
This
review
examines
research
on
for
pollutants,
presenting
recent
advancements
NOx,
SO2,
VOCs.
It
analyzes
critical
properties
that
govern
efficiency,
groups,
defects,
pore
structure.
Finally,
it
summarizes
regulating
these
achieve
higher
efficiencies
carbon-catalyzed
pollutants.
Macromolecular Rapid Communications,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 26, 2025
Considering
the
growth
and
applicability
of
polymer
industry
over
years,
alternative
polymerization
methods
can
be
developed
to
facilitate
simpler,
rapid,
efficient
synthesis.
This
done
via
utilization
radicals
from
microplasma
interactions,
proposing
a
simple
initiator-free
approach
for
both
nanocomposite
In
this
study,
microplasma-assisted
synthesis
poly(2-Acrylamido-2-methylpropane
sulfonic
acid)
(PAMPS_M)
poly(2-hydroxyethyl
methacrylate)
(PHEMA_M)
is
achieved
under
ambient
conditions
through
plasma
interactions.
rapid
method
leads
high
yield
in
short
duration
(PAMPS_M:
77.57%
1
h;
PHEMA_M
20.74%
20
min)
long
chain
formation
(Mn:
2.23×106
Da
(PAMPS_M);
7.12×104
(PHEMA_M)).
The
remarkable
result
followed
by
microplasma-synthesized
PAMPS/Nitrogen-doped
Graphene
Quantum
Dots
(PAMPS/NGQDs_M)
PHEMA/NGQDs_M
nanocomposites
one-pot
two-step
method.
NGQDs
addition
contributes
luminescence
properties
(Photoluminescence
emission/excitation:
540/460
nm
(PAMPS/NGQDs_M);
505/410
(PHEMA/NGQDs_M))
enhancement
mechanical
covalent
complex
structure
polymer-nanomaterial.
By
unveiling
facile,
radically
polymerize
water-based
microplasma,
present
study
will
stimulate
advance
further
research
on
preparation
rubber-based
sol-gel
eco-friendly
methods.
