ChemSusChem,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Aug. 22, 2024
Abstract
Visible
light‐active
photocatalysts
play
a
crucial
role
in
gas‐phase
photocatalytic
CO
2
reduction,
offering
significant
potential
for
sustainable
energy
conversion.
Herein,
we
present
the
synthesis
of
spindle‐shaped
Iron
(Fe)‐based
metal‐organic
framework
(MOF)
MIL‐88
A,
coupled
with
distinct
α‐Bi
O
3
nanospheres.
The
/MIL88A
heterostructure
is
formed
by
interacting
opposite
surface
charges,
enhancing
visible‐light
absorption
and
efficient
interfacial
charge‐carrier
separation.
Such
low‐cost
have
1.75
eV
band
gap
demonstrate
enhanced
efficacy
converting
to
CO,
CH
4
,
H
water
without
using
any
sacrificial
agents
or
noble
metals
compared
pristine
MIL88A.
In
addition,
in‐situ
Electron
Spin
Resonance
(ESR)
analyses
revealed
that
these
unique
catalysts
combination
promoted
charge
dynamics,
creating
trapping
sites
photogenerated
carriers.
Further,
Diffuse
Reflectance
Infrared
Fourier
Transfer
Spectroscopy
(DRIFTS)
investigation
elucidates
plausible
reaction
mechanism
provides
an
effective
methodology
catalyst
screening
photoreduction.
This
study
offers
approach
synthesizing
earth‐abundant
from
metal
oxide
MOFs,
activity
carbon
dioxide
conversion
into
invaluable
chemicals.
Advanced Sustainable Systems,
Journal Year:
2024,
Volume and Issue:
8(8)
Published: March 19, 2024
Abstract
2D
MXenes
family
creates
an
interest
in
environmental
cleaning
and
energy
conversion.
It
shows
large
surface
functional
groups,
electronic
transmission,
electrical
conductivity.
This
research
focuses
on
Metal
Organic
Framework‐based
Ti
3
C
2
heterojunctions,
directing
morphology
control,
customizable
structure,
high
performance
‐based
electrocatalytic
devices,
storage
as
a
supercapacitor.
In
addition,
future
development
obstacles
viable
possibilities
are
presented.
MXene
detailed
analysis
reveals
fundamental
study,
structure‐activity
connections,
potential
paths
for
applications.
Specially
developed
MOF/MXene
nanoarchitectures
with
remarkable
features
highlighted
several
study
fields,
including
the
chemical
sciences,
engineering,
physics,
catalysis,
nanotechnology.
They
represent
new
class
of
cutting‐edge
developing
materials.
Mainly,
presented
review
describes
multiple
synthesis
approaches
by
adjusting
conditions
varying
morphologies,
intriguing
properties
can
also
be
electrochemical
conversion
storage.
Hydrothermally
produced
Cu-doped
two-dimensional
(2D)
Bi2MoO6
nanoribbon/rGO
composite
is
explored
as
the
photocatalyst
for
selective
reduction
of
CO2
to
ethanol.
In
particular,
role
Cu
doping
rGO-supported
on
C2
product
selectivity
investigated.
Long
nanoribbon-type
pristine
2D-Bi2MoO6,
2D-Bi2MoO6
nanoribbon/rGO,
and
that
doped
with
varying
weight
percentages
copper
(Cu)
are
synthesized
characterized
by
XRD,
FTIR,
UV–vis
spectroscopy,
photoluminescence
X-ray
photoelectron
SEM,
TEM,
EDX,
EIS,
BET
analyses.
Among
all
photocatalysts,
optimum
2
wt
%
exhibiting
an
enhanced
absorption
edge
visible
light
at
730
nm,
smallest
band
gap
2.02
eV,
lowest
rate
electron–hole
pair
recombination,
improved
charge
transport
offers
highest
photocatalytic
activity
(133.10
μmol
gcat.–1
h–1)
100%
ethanol
production.
Absence
either
or
rGO
leads
formation
a
mixture
methanol
separates
photoexcited
electrons
holes
establishes
electron-rich
interface
rGO-Cu
junction
2%Cu-doped
photocatalyst,
facilitating
high
adsorption.
serves
trap
catch
more
electrons.
Electrons
from
Mo
Bi
atoms
(of
Bi2MoO6)
drawn
C
2p
rGO)
3d
orbitals.
enhances
thickened
electron
cloud
(drawn
Bi)
surface
C(rGO)-Cu,
which
facilitates
adsorption
reduction.
The
Mo–C–Cu/Mo–O–Cu
bridge
formed
upon
effectively
reduces
distance
photogenerated
recombination
stabilize
intermediate
radicals
such
·CO
transfer
abundant
tapping
sites
formation.
2%
in
yield
production
2.26
times
compared
nanoribbon/rGO.
Advanced Sustainable Systems,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 12, 2025
Abstract
The
foremost
cause
of
global
warming
in
21
st
century
is
excessive
generation
CO
2
and
its
build‐up
atmosphere.
In
mandate
to
address
this
important
problem,
many
solutions
are
investigated,
with
conversion
emerging
as
a
key
approach.
This
method
produces
clean,
renewable
energy
while
simultaneously
lowering
levels.
order
facilitate
an
investigation
sophisticated
multifunctional
catalysts
for
conversion,
study
starts
by
looking
at
the
primary
sources
their
effects
on
environment.
It
explores
importance
development
methods
into
value‐added
products
including
methanol,
ethanol,
hydrocarbons.
Specifically,
utilization
tailored
carbon‐based,
metal
organic
frameworks
(MOF)‐based,
Metal
Oxide‐based,
Zeolite‐based
catalysts,
composites
across
various
such
photocatalysis,
electrocatalysis
explored.
attempts
highlight
difficulties
possible
future
developments
complexity
topic.
provides
inclusive
exploration
facets
highlighting
significance
novel
catalyst
application
tactics
halting
warming.
Molecules,
Journal Year:
2025,
Volume and Issue:
30(7), P. 1463 - 1463
Published: March 26, 2025
This
review
provides
an
overview
of
the
fabrication
methods
for
Ti3C2Tx
MXene-based
hybrid
photocatalysts
and
evaluates
their
role
in
degrading
organic
dye
pollutants.
MXene
has
emerged
as
a
promising
material
due
to
its
high
metallic
conductivity,
excellent
hydrophilicity,
strong
molecular
adsorption,
efficient
charge
transfer.
These
properties
facilitate
faster
separation
minimize
electron–hole
recombination,
leading
exceptional
photodegradation
performance,
long-term
stability,
significant
attention
degradation
applications.
significantly
improve
efficiency,
evidenced
by
higher
percentage
reduced
time
compared
conventional
semiconducting
materials.
also
highlights
computational
techniques
employed
assess
enhance
performance
degradation.
It
identifies
challenges
associated
with
photocatalyst
research
proposes
potential
solutions,
outlining
future
directions
address
these
obstacles
effectively.
Inorganic Chemistry,
Journal Year:
2023,
Volume and Issue:
62(42), P. 17163 - 17181
Published: Oct. 6, 2023
The
synthesis
of
single-phase
barium
orthovanadate
phosphors
by
a
one-pot
microwave-assisted
hydrothermal
approach
has
been
reported,
wherein
the
homogeneous
thermal
zone
generated
at
molecular
level
microwave
radiation
gives
rise
to
tunable
distortion
in
tetrahedral
VO4–3
and
oxygen
vacancies,
eventually
enabling
intrinsic
white
light
emission
with
CIE
0.31,0.38,
high
photoluminescence
internal
quantum
efficiency
35%,
external
28%
whereas
phosphor
synthesized
route
exhibits
only
bluish-green
(PLQE:
0.5%).
Rietveld
refinement
confirms
formation
single
trigonal
phase
having
dissimilar
V–O
bond
lengths
angles,
implying
distorted
under
optimized
conditions,
corroborates
Raman
Fourier
transform
infrared
analyses.
X-ray
photoelectron
spectroscopy
electron
paramagnetic
resonance
analysis
reveal
that
origin
is
due
short-
long-range
defects,
particular
which
form
an
intermediate
energy
forbidden
region
between
valence
conduction
bands.
Lifetime
spectra
show
triexponential
fitting,
corresponding
two
charge
transfer
blue
green
bands
(3T2,
3T1
1A1)
one
vacancy-related
red
RT.
Furthermore,
these
are
thermally
stable,
as
no
change
structure
or
characteristics
observed.
A
prototype
fabricated
using
365
nm
chip
white-light-emission
0.353,0.392,
correlated
color
temperature
4867
K,
rendering
index
85,
luminous
efficacy
102
lm/W
140
mA
operating
current,
portentous
for
practical
applications.
