Nanomaterials,
Год журнала:
2024,
Номер
15(1), С. 45 - 45
Опубликована: Дек. 30, 2024
Semiconductor
polymeric
graphitic
carbon
nitride
(g-C3N4)
photocatalysts
have
garnered
significant
and
rapidly
increasing
interest
in
the
realm
of
visible
light-driven
hydrogen
evolution
reactions.
This
stems
from
their
straightforward
synthesis,
ease
functionalization,
appealing
electronic
band
structure,
high
physicochemical
thermal
stability,
robust
photocatalytic
activity.
review
starts
with
basic
principle
photocatalysis
development
history,
synthetic
strategy,
structural
properties
g-C3N4
materials,
followed
by
rational
design
engineering
perspectives
nano-morphological
control
tailoring.
Some
representative
results,
including
experimental
theoretical
calculations,
are
listed
to
show
advantages
optimizing
above
two
characteristics
for
performance
improvement
water
splitting.
The
existing
opportunities
challenges
outlined
illuminate
developmental
trajectory
this
field.
paper
provides
guidance
preparation
better
understand
current
state
art
future
research
directions.
Scientific Reports,
Год журнала:
2025,
Номер
15(1)
Опубликована: Фев. 14, 2025
Crystal
violet
dye,
widely
used
in
industries,
poses
environmental
and
human
health
hazards
due
to
its
persistence
toxicity.
Effective
removal
methods
are
critical
mitigate
these
impacts.
This
study
presents
the
synthesis
of
a
novel
ZrO2@MnCO3@CdCO3
nanocomposite
for
efficient
crystal
dye
from
aqueous
solutions.
The
was
synthesized
using
precipitation
method
characterized
XRD,
SEM,
EDX,
BET
surface
area
analysis.
Adsorption
experiments
were
conducted
under
various
conditions,
including
pH,
contact
time,
concentration,
temperature.
exhibited
mesoporous
structure
(22.38
m2/g
area,
0.0935
cm3/g
total
pore
volume,
8.79
nm
average
size)
an
crystallite
size
76.30
nm.
maximum
adsorption
capacity
179.52
mg/g,
following
pseudo-second-order
kinetics
Langmuir
isotherm.
Thermodynamic
studies
revealed
exothermic,
physical,
spontaneous
process.
Regeneration
demonstrated
high
reusability
with
desorption
efficiency
reaching
99.67%
over
five
cycles.
Scientific Reports,
Год журнала:
2025,
Номер
15(1)
Опубликована: Янв. 27, 2025
Abstract
This
study
aims
to
investigate
a
new
approach
removing
hazardous
dyes
like
Direct
Blue
86
(DB86)
and
Acid
Yellow
36
(AY36)
from
aqueous
environments.
Delonix
regia
biochar-sulphur
(DRB-S),
made
seed
pods
(DPSPs),
is
an
inexpensive
environmentally
friendly
adsorbent.
Different
characterization
investigations
using
BJH,
BET,
FTIR,
SEM,
DSC,
TGA,
EDX
were
utilized
in
the
descriptions
of
DRB-S
biosorbent.
The
optimal
pH
for
AY36
dye
DB86
adsorption
adsorvbent
was
at
1.5.
For
DRB-S,
equilibrium
attained
30
90
min
reaction
time
interaction.
Langmuir
model
(LGM)
pseudo-second-order-model
(PSOM)
best
describe
biosorption
both
molecules
biosorbent
owing
equal
homogeneous
spread
over
porous
surface
chemisorption
process
which
involved
valency
force
through
exchange
electrons
between
prepared
determined
capacities
(AY36
DB86)
found
be
270.27
mg/g
36.23
mg/g,
respectively.
In
conclusion,
this
recently
synthesised
adsorbent
exhibited
impressive
sorption
capacity
successfully
removed
dyes.
suggests
that
has
potential
applications
wastewater
treatment
can
recycled
without
affecting
its
effectiveness.
