ACS Catalysis,
Journal Year:
2024,
Volume and Issue:
14(21), P. 16434 - 16458
Published: Oct. 23, 2024
Thermo-catalytic
CO2
hydrogenation
to
high-value
oxygenates
has
been
regarded
as
one
of
the
most
powerful
strategies
that
can
potentially
alleviate
excessive
emissions.
However,
due
high
chemical
stability
and
variability
pathways,
it
is
still
challenging
achieve
highly
active
selective
hydrogenation.
Single
atom
catalysts
(SACs)
with
ultrahigh
metal
utilization
efficiency
extraordinary
electronic
features
have
displayed
growing
importance
for
thermo-catalytic
multiple
developed
improve
performances.
Here,
we
review
breakthroughs
in
developing
SACs
efficient
toward
common
(CO,
HCOOH,
CH3OH,
CH3CH2OH)
following
order:
first,
an
analysis
reaction
mechanisms
thermodynamics
challenges
reactions;
second,
a
summary
SAs
designed
by
dividing
them
into
two
categories
single-
dual-sites;
third,
discussion
support
effects
focus
on
approaches
regulating
strong
metal–support
interaction
(MSI).
Summarily,
current
future
perspectives
develop
higher-performance
are
presented.
We
expect
this
bring
more
design
inspiration
trigger
innovation
catalytic
evolution
materials
eventually
benefit
achievement
carbon-neutrality
goal.
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.
Advanced Functional Materials,
Journal Year:
2023,
Volume and Issue:
34(6)
Published: Oct. 22, 2023
Abstract
The
widely
discussed
single‐atom
catalysts
(SACs)
are
regarded
as
a
kind
of
attractive
material
for
sulfate
radical‐based
advanced
oxidation
processes
(SR‐AOPs)
owing
to
their
maximum
atomic
utilization
efficiency
and
outstanding
stability.
Currently,
metal–organic
frameworks
(MOFs)
have
appeared
prospective
precursors
building
SACs
due
extensive
chelating
sites,
functional
adjustability,
structural
tunability.
However,
there
few
critical
systematic
reviews
about
the
application
MOF‐derived
in
SR‐AOPs,
especially
in‐depth
analysis
mechanisms.
Therefore,
this
review
seeks
offer
thorough
summary
development
SR‐AOPs.
First,
unique
advantages
MOFs
derivative
thoroughly.
Afterward,
current
synthesis
strategies
elaborated
categorically
unveil
formation
process
single
atoms
coordination
environments.
Notably,
roles
different
reaction
sites
including
generation
reactive
species
mediating
electron
transfer
further
analyzed
explain
mechanisms
comprehensively.
Thereafter,
characterization
techniques
theoretical
calculations
studies
also
highlighted.
Eventually,
insights
into
present
challenges
future
developments
proposed,
which
expected
enhance
catalytic
Chemical Society Reviews,
Journal Year:
2023,
Volume and Issue:
52(22), P. 7673 - 7686
Published: Jan. 1, 2023
Unique
activation
mechanisms
of
oxidants
by
metal
single
atom
catalysts
for
water
treatment
were
compared
with
conventional
advanced
oxidation
processes.
Advanced Functional Materials,
Journal Year:
2023,
Volume and Issue:
33(46)
Published: July 20, 2023
Abstract
Cu‐based
single‐atom
catalysts
(SACs)
are
regarded
as
promising
candidates
for
electrocatalytic
reduction
of
nitrate
to
ammonia
(NO
3
RR)
owing
the
appropriate
intrinsic
activity
and
merits
SACs.
However,
most
reported
Cu
SACs
based
on
4N
saturated
coordination
supported
planer
carbon
substrate,
their
performances
unsatisfactory.
Herein,
low‐coordinated
Cu‐N
designed
constructed
high‐curvature
hierarchically
porous
N‐doped
nanotube
(NCNT)
via
a
stepwise
polymerization–surface
modification–electrostatic
adsorption–carbonization
strategy.
The
SACs/NCNT
exhibits
outstanding
NO
RR
performance
with
maximal
Faradaic
efficiency
89.64%
NH
yield
rate
up
30.09
mg
cat
−1
h
(70.8
mol
g
),
superior
catalysts.
results
integrated
from
potassium
thiocyanide
poisoning
experiments,
online
differential
electrochemical
mass
spectrometry,
in
situ
Fourier
transform
infrared
spectroscopy,
density
functional
theory
calculations
demonstrate:
1)
unsaturated
is
active
site;
2)
possesses
NO*‐HNO*‐H
2
NO*‐H
NOH*
pathway;
3)
sites
support
synergetic
promote
reaction
dynamics
reduce
rate‐determining
step
barrier.
This
study
inspires
enhancement
catalysis
strategy
creating
environment
regulating
structure.
