Frontiers in Scientific Research and Technology,
Journal Year:
2023,
Volume and Issue:
0(0), P. 0 - 0
Published: Oct. 24, 2023
The
development
of
an
appropriate
selective
chemical
sensor
for
the
detection
and
quantification
environmentally
hazardous
substances
has
seen
a
substantial
demand
in
scientific
interest.
Because
optical
changes
occur
when
luminous
metal-organic
frameworks
(LMOFs)
interact
with
target
analytes,
they
have
recently
received
lot
attention
as
effective
chemosensors.
This
review
gives
overview
frameworks,
nomenclature,
structure,
synthesis
methods,
types
luminescent
MOFs,
common
sensing
mechanisms,
application
pollutants.The
pollutants.
ACS Catalysis,
Journal Year:
2023,
Volume and Issue:
13(21), P. 13941 - 13954
Published: Oct. 16, 2023
The
selective
breaking
of
the
Cβ–O
bond
has
great
potential
for
conversion
lignin
into
high-value
aromatic
monomers.
In
present
work,
we
designed
a
CdS–SH/TiO2
heterojunction
photocatalyst
efficient
bond.
surface
modification
CdS
by
–SH
promoted
close
contact
between
catalyst
and
further
Fermi
level
matching
with
TiO2.
A
type-II
was
constructed
CdS–SH
TiO2
nanosheets
to
enhance
light
absorption
range
increase
separation
photogenerated
electron–hole
pairs,
resulting
in
high
catalytic
activity.
Finally,
85%
phenol
87%
acetophenone
yields
were
obtained
under
mild
irradiation
using
2-phenoxy-1-phenylethanol
as
model
substrate.
Several
control
experiments,
along
DFT
calculations,
indicate
that
reaction
pathway
is
more
likely
involve
oxidation
Cα–OH
form
Cα═O
initially,
followed
activation
Cβ–O,
which
then
reduced
This
work
achieves
selectivity
depolymerization
provides
reference
design
photocatalysts
valorization
lignin.
Materials Reports Energy,
Journal Year:
2023,
Volume and Issue:
3(4), P. 100235 - 100235
Published: Oct. 27, 2023
Due
to
the
abundance
and
sustainability
of
solar
energy,
converting
it
into
chemical
energy
obtain
clean
presents
an
ideal
solution
for
addressing
environmental
pollution
shortages
stemming
from
extensive
combustion
fossil
fuels.
In
recent
years,
hydrogen
has
emerged
on
stage
history
as
most
promising
carrier
21st
century.
Among
current
methods
producing
hydrogen,
photocatalytic
production
technology,
a
zero-carbon
approach
high
calorific
value
pollution-free
attracted
much
attention
since
its
discovery.
As
core
photocatalysis
semiconductor
photocatalysts
are
always
research
hotspots.
them,
graphite-phase
carbon
nitride
(g-C3N4),
organic
material
composed
only
C
N
elements,
possesses
physicochemical
properties
incomparable
those
traditional
inorganic
materials,
including
suitable
band
positions,
easy
structural
regulation,
inexpensive
raw
materials
abundant
reserves,
simple
preparation,
thermal/mechanical/chemical
stability,
etc.
Therefore,
g-C3N4
in
field
last
two
decades.
This
review
comprehensively
outlines
trajectory
production,
encompassing
development,
preparation
methods,
advantages,
disadvantages.
A
concise
introduction
is
provided,
well
analysis
underlying
mechanism
system.
Additionally,
delves
latest
techniques
enhance
performance,
nanostructure
design,
elemental
doping,
heterojunction
construction.
The
applications
based
surveyed,
underscoring
significance
catalyst
active
sites
synthesis
pathways.
At
length,
concluded
insights
challenges
opportunities
presented
by
achieving
heightened
production.
Gels,
Journal Year:
2023,
Volume and Issue:
9(12), P. 976 - 976
Published: Dec. 13, 2023
This
review
provides
a
detailed
exploration
of
titanium
dioxide
(TiO2)
photocatalysts,
emphasizing
structural
phases,
heterophase
junctions,
and
their
impact
on
efficiency.
Key
points
include
diverse
synthesis
methods,
with
focus
the
sol-gel
route
variants
like
low-temperature
hydrothermal
(LTHT).
The
delves
into
influence
acid-base
donors
gelation,
dissects
crucial
drying
techniques
for
TiO2
aerogel
or
xerogel
catalysts,
meticulously
examines
mechanisms
underlying
photocatalytic
activity.
It
highlights
role
physicochemical
properties
in
charge
diffusion,
carrier
recombination,
scavengers
photo-oxidation/reduction.
Additionally,
doping
heterostructures
potential
enhancing
efficiency
are
briefly
discussed,
all
within
context
environmental
applications.
