Small Structures,
Journal Year:
2020,
Volume and Issue:
2(1)
Published: Sept. 30, 2020
Photocatalytic
CO
2
reduction
attracts
substantial
interests
for
the
production
of
chemical
fuels
via
solar
energy
conversion,
but
activity,
stability,
and
selectivity
products
were
severely
determined
by
efficiencies
light
harvesting,
charge
migration,
surface
reactions.
Structural
engineering
is
a
promising
tactic
to
address
aforementioned
crucial
factors
boosting
photoreduction.
Herein,
timely
comprehensive
review
focusing
on
recent
advances
in
photocatalytic
conversion
based
design
strategies
over
nano‐/microstructure,
crystalline
band
structure,
structure
interface
provided,
which
covers
both
thermodynamic
kinetic
challenges
photoreduction
process.
The
key
parameters
essential
tailoring
size,
morphology,
porosity,
bandgap,
surface,
or
interfacial
properties
photocatalysts
are
emphasized
toward
efficient
selective
into
valuable
chemicals.
New
trends
structural
meet
demands
prominent
activity
also
introduced.
It
expected
furnish
guideline
inside‐and‐out
state‐of‐the‐art
with
well‐defined
structures
conversion.
Chemical Reviews,
Journal Year:
2019,
Volume and Issue:
120(2), P. 919 - 985
Published: Aug. 8, 2019
Solar-driven
water
splitting
provides
a
leading
approach
to
store
the
abundant
yet
intermittent
solar
energy
and
produce
hydrogen
as
clean
sustainable
carrier.
A
straightforward
route
light-driven
is
apply
self-supported
particulate
photocatalysts,
which
expected
allow
be
competitive
with
fossil-fuel-derived
on
levelized
cost
basis.
More
importantly,
powder-based
systems
can
lend
themselves
making
functional
panels
large
scale
while
retaining
intrinsic
activity
of
photocatalyst.
However,
all
attempts
generate
via
water-splitting
date
have
unfortunately
fallen
short
efficiency
values
required
for
practical
applications.
Photocatalysis
photocatalyst
particles
involves
three
sequential
steps:
(i)
absorption
photons
higher
energies
than
bandgap
excitation
electron-hole
pairs
in
particles,
(ii)
charge
separation
migration
these
photoexcited
carriers,
(iii)
surface
chemical
reactions
based
carriers.
In
this
review,
we
focus
challenges
each
step
summarize
material
design
strategies
overcome
obstacles
limitations.
This
review
illustrates
that
it
possible
employ
fundamental
principles
underlying
photosynthesis
tools
materials
science
prepare
photocatalysts
overall
splitting.
Advanced Materials,
Journal Year:
2019,
Volume and Issue:
31(30)
Published: May 30, 2019
Abstract
Semiconductor
photocatalysis
is
recognized
as
a
promising
strategy
to
simultaneously
address
energy
needs
and
environmental
pollution.
Titanium
dioxide
(TiO
2
)
has
been
investigated
for
such
applications
due
its
low
cost,
nontoxicity,
high
chemical
stability.
However,
pristine
TiO
still
suffers
from
utilization
of
visible
light
photogenerated‐charge‐carrier
recombination
rate.
Recently,
photocatalysts
modified
by
dual
cocatalysts
with
different
functions
have
attracted
much
attention
the
extended
absorption,
enhanced
reactant
adsorption,
promoted
charge‐carrier‐separation
efficiency
granted
various
cocatalysts.
Recent
progress
on
component
structural
design
in
summarized.
Depending
their
components,
decorated
can
be
divided
into
following
categories:
bimetallic
cocatalysts,
metal–metal
oxide/sulfide
metal–graphene
metal
oxide/sulfide–graphene
architecture,
they
categorized
randomly
deposited
binary
facet‐dependent
selective‐deposition
core–shell
Concluding
perspectives
challenges
opportunities
further
exploration
cocatalyst–modified
are
presented.
Journal of the American Chemical Society,
Journal Year:
2019,
Volume and Issue:
141(19), P. 7646 - 7659
Published: April 15, 2019
Electrochemical
reduction
of
CO2
to
high-energy-density
oxygenates
and
hydrocarbons
beyond
CO
is
important
for
long-term
large-scale
renewable
energy
storage.
However,
the
key
step
C-C
bond
formation
needed
generation
C2
products
induces
an
additional
barrier
on
reaction.
This
inevitably
creates
larger
overpotentials
greater
variety
as
compared
conversion
C1
products.
Therefore,
in-depth
understanding
catalytic
mechanism
required
advancing
design
efficient
electrocatalysts
control
reaction
pathway
desired
Herein,
we
present
a
critical
appraisal
focusing
connection
between
fundamentals
electrocatalysts.
An
discussion
mechanistic
aspects
various
pathways
copper-based
catalysts
presented
together
with
consideration
practical
factors
under
electrocatalytic
operating
conditions.
By
providing
some
typical
examples
illustrating
benefit
merging
theoretical
calculations,
surface
characterization,
electrochemical
measurements,
try
address
issues
ongoing
debate
toward
better
at
atomic
level
envisioning
roadmap
generation.
Chemical Reviews,
Journal Year:
2020,
Volume and Issue:
120(21), P. 12175 - 12216
Published: March 18, 2020
Single-atom
photocatalysts
have
shown
their
compelling
potential
and
arguably
become
the
most
active
research
direction
in
photocatalysis
due
to
fascinating
strengths
enhancing
light-harvesting,
charge
transfer
dynamics,
surface
reactions
of
a
photocatalytic
system.
While
numerous
comprehensions
about
single-atom
recently
been
amassed,
advanced
characterization
techniques
vital
theoretical
studies
are
strengthening
our
understanding
on
these
materials,
allowing
us
forecast
working
mechanisms
applications
photocatalysis.
In
this
review,
we
begin
by
describing
general
background
definition
photocatalysts.
A
brief
discussion
metal-support
interactions
is
then
provided.
Thereafter,
current
available
for
summarized.
After
having
some
fundamental
photocatalysts,
advantages
discussed.
Finally,
end
review
with
look
into
remaining
challenges
future
perspectives
We
anticipate
that
will
provide
inspiration
discovery
manifestly
stimulating
development
emerging
area.
Chemical Society Reviews,
Journal Year:
2020,
Volume and Issue:
49(10), P. 2937 - 3004
Published: Jan. 1, 2020
Catalytic
conversion
of
CO2
to
produce
fuels
and
chemicals
is
attractive
in
prospect
because
it
provides
an
alternative
fossil
feedstocks
the
benefit
converting
cycling
greenhouse
gas
on
a
large
scale.
In
today's
technology,
converted
into
hydrocarbon
Fischer-Tropsch
synthesis
via
water
shift
reaction,
but
processes
for
direct
such
as
methane,
methanol,
C2+
hydrocarbons
or
syngas
are
still
far
from
large-scale
applications
processing
challenges
that
may
be
best
addressed
by
discovery
improved
catalysts-those
with
enhanced
activity,
selectivity,
stability.
Core-shell
structured
catalysts
relatively
new
class
nanomaterials
allow
controlled
integration
functions
complementary
materials
optimised
compositions
morphologies.
For
conversion,
core-shell
can
provide
distinctive
advantages
addressing
catalyst
sintering
activity
loss
reforming
processes,
insufficient
product
selectivity
thermocatalytic
hydrogenation,
low
efficiency
photocatalytic
electrocatalytic
hydrogenation.
preceding
decade,
substantial
progress
has
been
made
synthesis,
characterization,
evaluation
potential
applications.
Nonetheless,
remain
inexpensive,
robust,
regenerable
this
class.
This
review
in-depth
assessment
these
thermocatalytic,
photocatalytic,
valuable
hydrocarbons.
Journal of the American Chemical Society,
Journal Year:
2019,
Volume and Issue:
141(18), P. 7615 - 7621
Published: April 18, 2019
Photocatalytic
reduction
of
CO2
into
energy-rich
carbon
compounds
has
attracted
increasing
attention.
However,
it
is
still
a
challenge
to
selectively
and
effectively
convert
desirable
reaction
product.
Herein,
we
report
design
synergistic
photocatalyst
for
selective
CO
by
using
covalent
organic
framework
bearing
single
Ni
sites
(Ni-TpBpy),
in
which
electrons
transfer
from
photosensitizer
production
the
activated
under
visible-light
irradiation.
Ni-TpBpy
exhibits
an
excellent
activity,
giving
4057
μmol
g-1
5
h
with
96%
selectivity
over
H2
evolution.
More
importantly,
when
partial
pressure
was
reduced
0.1
atm,
76%
obtained.
Theoretical
calculations
experimental
results
suggest
that
promising
catalytic
activity
are
ascribed
effects
TpBpy,
TpBpy
not
only
serves
as
host
molecules
but
also
facilitates
activation
inhibits
competitive
