Chemical Communications,
Год журнала:
2024,
Номер
unknown
Опубликована: Янв. 1, 2024
Harnessing
solar
energy
through
photocatalysis
has
excellent
potential
for
powering
sustainable
chemical
production,
supporting
the
United
Nations'
environmental
goals.
Single-atoms
(SAs)
dispersed
on
catalyst
surfaces
are
gaining
attention
their
highly
active
and
durable
nature.
Metal-organic
frameworks
(MOFs)
can
provide
enough
reactive
sites
to
sustain
selectivity
durability
over
time
because
of
tunable
channels
functional
groups.
Owing
organized
structures,
MOFs
ideal
platforms
securing
individual
atoms
promoting
solar-driven
reactions.
Few
reviews
have,
however,
reflected
possibility
combining
SAs
produce
potent
photocatalysts
that
may
clean
fuels
valuable
chemicals.
This
review
provides
a
general
overview
methods
generate
photocatalysts.
The
challenges
associated
with
these
MOF-based
single-atom
systems
also
critically
examined.
Their
future
development
is
discussed
as
continued
refinement
helps
more
fully
leverage
advantages
boosting
photocatalytic
performances
-
turning
sunlight
into
chemicals
in
manner
supports
development.
Insights
gained
here
could
illuminate
pathways
toward
realizing
profound
empower
production
driven
by
renewable
energy.
Nano-Micro Letters,
Год журнала:
2024,
Номер
16(1)
Опубликована: Янв. 4, 2024
Carbon
dioxide
conversion
into
valuable
products
using
photocatalysis
and
electrocatalysis
is
an
effective
approach
to
mitigate
global
environmental
issues
the
energy
shortages.
Among
materials
utilized
for
catalytic
reduction
of
CO
Abstract
Covalent
organic
frameworks
(COFs)
are
one
type
of
porous
materials
linked
by
covalent
bonds.
COFs
exhibit
many
outstanding
characteristics
such
as
high
porosity,
chemical
and
thermal
stability,
large
specific
surface
area,
efficient
electron
transfer
efficiency,
the
ability
for
predesigned
structures.
These
exceptional
advantages
enable
to
remarkable
performance
in
photocatalysis.
Additionally,
activity
photocatalysts
can
be
significantly
upgraded
ion
doping
formation
heterojunctions.
This
paper
summarizes
latest
research
progress
on
COF‐based
applied
photocatalytic
systems.
Initially,
typical
structures
preparation
methods
analyzed
compared.
Moreover,
essential
principles
reactions
over
COFs‐based
developments
hydrogen
production,
CO
2
reduction,
pollutants
elimination,
transformation,
overall
water
splitting
indicated.
At
last,
outlook
challenges
photocatalysis
discussed.
review
is
intended
permit
instructive
guidance
use
based
future.
Chemistry of Materials,
Год журнала:
2024,
Номер
36(4), С. 1793 - 1809
Опубликована: Фев. 6, 2024
Recently,
there
has
been
a
burgeoning
interest
in
photocatalytic
CO2
conversion
from
the
general
public
and
scientific
community.
In
theory,
this
technology
can
harness
abundant
solar
energy
to
transform
waste
into
valuable
chemicals,
holding
potential
replace
certain
conventional
chemical
engineering
methods
for
industrial
production
sustainable
eco-friendly
manner.
Despite
these
promising
aspects,
practical
application
of
hampered
by
its
limited
activity
selectivity.
Numerous
efforts
have
dedicated
enhancing
over
past
few
decades,
driving
progress.
However,
noticeable
shortage
research
focused
on
improving
selectivity
process,
particularly
concerning
generation
high-value
C2+
products.
Perspective,
our
primary
objective
is
delve
recent
developments
conversion,
with
specific
emphasis
Our
discussion
will
commence
elucidating
fundamental
principles
mechanisms
underlying
C–C
coupling
reaction.
Subsequently,
we
provide
an
overview
current
techniques
available
fine-tuning
reactions
toward
formation
Finally,
conclude
perspective
offering
insights
prospects
advancements
field.
Molecules,
Год журнала:
2023,
Номер
28(14), С. 5576 - 5576
Опубликована: Июль 22, 2023
Photocatalysis
technology
has
the
advantages
of
being
green,
clean,
and
environmentally
friendly,
been
widely
used
in
CO2
reduction,
hydrolytic
hydrogen
production,
degradation
pollutants
water.
Cu2O
abundant
reserves,
a
low
cost,
environmental
friendliness.
Based
on
narrow
bandgap
strong
visible
light
absorption
ability
Cu2O,
Cu2O-based
composite
materials
show
infinite
development
potential
photocatalysis.
However,
practical
large-scale
applications,
composites
still
pose
some
urgent
problems
that
need
to
be
solved,
such
as
high
rate
photogenerated
carriers,
poor
photocatalytic
activity.
This
paper
introduces
series
composites,
based
recent
reports,
including
pure
hybrid
materials.
The
modification
strategies
photocatalysts,
critical
physical
chemical
parameters
reactions,
mechanism
for
synergistic
improvement
performance
are
investigated
explored.
In
addition,
application
photocatalysts
photoreduction,
water
pollution
treatment
discussed
evaluated.
Finally,
current
challenges
prospects
pointed
out,
provide
guidance
applying
catalysts
renewable
energy
utilization
protection.
Advanced Materials,
Год журнала:
2023,
Номер
35(42)
Опубликована: Сен. 5, 2023
Herein,
facet-engineered
Cu2
O
nanostructures
are
synthesized
by
wet
chemical
methods
for
electrocatalytic
HER,
and
it
is
found
that
the
octahedral
with
exposed
crystal
planes
of
(111)
(O-Cu2
O)
has
best
hydrogen
evolution
performance.
Operando
Raman
spectroscopy
ex-situ
characterization
techniques
showed
reduced
during
in
which
Cu
dendrites
grown
on
surface
nanostructures,
resulting
better
HER
performance
O-Cu2
after
O-A)
compared
as-prepared
O.
Under
illumination,
onset
potential
O-A
ca.
52
mV
positive
than
O,
induced
plasmon-activated
electrochemical
system
consisting
in-situ
generated
dendrites.
Incident
photon-to-current
efficiency
(IPCE)
measurements
simulated
UV-Vis
spectrum
demonstrate
hot
electron
injection
(HEI)
from
to
Ab
initio
nonadiabatic
molecular
dynamics
(NAMD)
simulations
revealed
transfer
photogenerated
electrons
(27
fs)
faster
relaxation
(170
fs),
enhancing
its
plasmons
activity,
HEI
increases
charge
density
These
make
energy
level
catalyst
be
closer
H+
/H2
,
evidenced
plasmon-enhanced
activity.
Russian Chemical Reviews,
Год журнала:
2024,
Номер
93(1), С. RCR5101 - RCR5101
Опубликована: Янв. 1, 2024
Development
of
the
"methanol"
economy
may
be
a
way
to
establish
new
chemistry
under
decarbonization
conditions.
Methanol
here
is
used
as
raw
material
for
production
wide
range
chemicals,
conventionally
obtained
from
oil.
The
key
process
reduction
CO<sub>2</sub>,
which,
along
with
renewable
energy,
main
carbon-containing
resource
in
low-carbon
industry.
This
review
summarizes
recent
data
on
approaches
methanol
CO<sub>2</sub>:
catalytic
hydrogenation
CO<sub>2</sub>
hydrogen
heterogeneous
or
homogeneous
catalysts;
electrochemical
CO2
methanol;
and
conversion
using
photocatalysis.
advantages
disadvantages
each
method,
mechanisms
taking
into
account
features
type
catalysis,
efficient
catalysts
are
discussed.<br>
bibliography
includes
542
references.
