Industrial & Engineering Chemistry Research,
Journal Year:
2024,
Volume and Issue:
63(45), P. 19589 - 19599
Published: Nov. 1, 2024
Traditional
Type-I
heterojunctions,
the
combination
of
large-
and
narrow-bandgap
semiconductors,
possess
a
long
electron
transmission
path
an
electron–hole
confinement
region,
making
them
not
conducive
to
improving
catalytic
performance.
Hence,
few
studies
about
heterostructure
combined
with
large
narrow
bandgap
in
chemocatalysis
were
invested,
especially
terms
reaction
mechanism.
Herein,
(CdS)
(hexagonal
boron
nitride,
h-BN)
selected
as
research
objects
fabricate
h-BN/CdS
heterojunction
by
Joule
heating
ultrafast
procedure.
Density
functional
theory
(DFT)
calculations
performed
showed
that
heterojunctions
photogenerated
electrons
(e–)
transferred
from
h-BN
CdS,
while
holes
(h+)
moved
conversely,
which
is
completely
different
classical
heterojunctions.
Thus,
nonclassical
was
successfully
constructed,
proved
DFT
experimental
verification,
revealed
excellent
visible
light
response
photocatalytic
degradation
ability
tetracycline
(TC).
The
optimized
exhibited
high
rate
84.78%
under
irradiation.
Additionally,
applicability
expanded
photodegradation
water
environments.
A
materials
proposed,
opened
up
new
for
efficient
photocatalysis
antibiotic
wastewater
degradation.
Chemical Society Reviews,
Journal Year:
2024,
Volume and Issue:
53(18), P. 9378 - 9418
Published: Jan. 1, 2024
Organic
transformation
by
light-driven
catalysis,
especially,
photocatalysis
and
photothermal
denoted
as
photo(thermal)
is
an
efficient,
green,
economical
route
to
produce
value-added
compounds.
In
recent
years,
owing
their
diverse
structure
types,
tunable
pore
sizes,
abundant
active
sites,
metal-organic
framework
(MOF)-based
catalysis
has
attracted
broad
interest
in
organic
transformations.
this
review,
we
provide
a
comprehensive
systematic
overview
of
MOF-based
for
First,
the
general
mechanisms,
unique
advantages,
strategies
improve
performance
MOFs
are
discussed.
Then,
outstanding
examples
transformations
over
introduced
according
reaction
type.
addition,
several
representative
advanced
characterization
techniques
used
revealing
charge
kinetics
intermediates
presented.
Finally,
prospects
challenges
field
proposed.
This
review
aims
inspire
rational
design
development
materials
with
improved
catalysis.
Materials,
Journal Year:
2025,
Volume and Issue:
18(3), P. 676 - 676
Published: Feb. 3, 2025
The
HKUST-1
metal-organic
framework
was
synthesized
using
four
different
copper(II)
salt
precursors,
namely
copper
nitrate,
sulphate,
acetate,
and
chloride,
via
the
solvothermal
method
with
no
mixing.
Syntheses
were
conducted
without
N,N-dimethylformamide
to
allow
for
a
greener
synthesis
of
MOFs.
selected
physicochemical
properties
obtained
frameworks
determined.
yield
products
changed
in
order
acetate>nitrate>sulfate,
while
product
chloride.
materials
characterized
by
means
XRD,
nitrogen
adsorption–desorption
at
−196
°C,
FTIR,
XPS,
TGA,
SEM,
DLS.
morphology
crystallites
their
significantly
affected
when
precursors
used.
comparison
results
already
published
works
allows
correlation
parameters
like
temperature,
time,
mixing,
precursor
used
on
final
product.
ACS Applied Polymer Materials,
Journal Year:
2024,
Volume and Issue:
6(11), P. 6425 - 6436
Published: May 21, 2024
An
ionic
porous
organic
polymer
(TzTzIPOP)─synthesized
from
readily
accessible
2,5-di(pyridine-4-yl)thiazolo[5,4-d]thiazole
(BpyTzTz)
and
3,3′,5,5′-tetrakis(bromomethyl)-2,2′,6,6′-tetramethylbiphenyl
(TMBB)
as
the
building
blocks
using
Menshutkin
reaction
for
polymerization─is
shown
to
serve
an
excellent
heterogeneous
photoredox
well
photosensitizing
catalyst
in
presence
of
molecular
oxygen.
Efficient
green
sustainable
oxidation
arylmethylene
compounds
(C(sp3)–H
bonds)
alcohols
carbonyl
is
demonstrated
under
blue
LED
irradiation
conditions
TzTzIPOP
Mechanistically,
oxidations
proceed
through
photoinduced
single-electron
transfer
energy
processes
involving
intermediacy
superoxide
anion
(O2•–)
singlet
oxygen
(1O2),
respectively.
The
recyclable
be
robust
enough
permit
reactions
multiple
times
(at
least
10
cycles)
without
loss
any
catalytic
activity.
that
with
oxidant
conditions,
facilitating
easy
workup,
should
much
relevance
industrial
processes.
ChemCatChem,
Journal Year:
2024,
Volume and Issue:
unknown
Published: May 22, 2024
Abstract
Porous
organic
polymers
(POPs)
are
emergent
tailor‐made
materials,
which
can
be
accessed
by
covalent
polymerization
of
diligently
designed
molecular
building
blocks
in
a
bottom‐up
fashion.
Acridone,
well‐known
chromophore
that
undergoes
intersystem
crossing
(ISC)
with
near‐unity
quantum
yield
akin
to
benzophenone,
was
structurally
elaborated
into
block
and
subjected
Friedel‐Crafts
polyalkylation
afford
series
POPs,
namely,
Ac‐MePOP
,
Ac‐OMePOP
Ac‐CBPOP
.
These
POPs
exhibit
remarkable
porosity
significant
absorption
the
visible
region.
Of
three
polymers,
highest
BET
surface
area
ca.
1027
m
2
/g
is
shown
serve
as
an
excellent
heterogeneous
photocatalyst
for
light‐mediated
oxidative
transformations,
is,
coupling
benzylamines
imines
cyclocondensation
o
‐phenylenediamines
aldehydes
benzimidazoles
under
oxygen
atmosphere.
It
further
reused
several
reaction
cycles
without
any
loss
catalytic
activity
its
stability
intact.
Mechanistic
studies
show
1
O
serves
key
reactive
species,
formed
energy
transfer
from
3
photocatalytic
oxidation
reactions.
The
results
demonstrate
development
stable
POP
materials
properties
programmed
blocks.
ChemCatChem,
Journal Year:
2024,
Volume and Issue:
16(20)
Published: July 1, 2024
Abstract
The
synthesis
of
sulfoxides
has
long
attracted
considerable
interest
due
to
their
pivotal
role
in
organic
synthesis,
pharmaceutics
and
environmental
protection.
Oxidation
the
corresponding
sulfides
is
recognized
as
most
effective
strategy.
Traditional
oxidation
methods,
however,
fall
short
growing
demands
green
chemistry.
Photocatalytic
aerobic
thus
garnered
attention,
employing
greenest
sustainable
oxidants—oxygen
or
air—and
sunlight
energy
source.
Nevertheless,
these
reactions
are
typically
conducted
potentially
pollutive
solvents
rather
than
solvent,
water.
To
facilitate
this
transformation
aqueous
phase,
molecular
reactors
that
can
encapsulate
reactants
within
confined
pores
photocatalytic
have
been
developed
recently.
This
Concept
article
summarizes
development
for
provides
perspectives
design
construction
reactors.