Journal of the American Chemical Society,
Год журнала:
2021,
Номер
143(42), С. 17424 - 17430
Опубликована: Окт. 12, 2021
Reducing
CO2
into
fuels
via
photochemical
reactions
relies
on
highly
efficient
photocatalytic
systems.
Herein,
we
report
a
new
and
system
for
reduction.
Driven
by
electrostatic
attraction,
an
anionic
metal-organic
framework
Cu-HHTP
(HHTP
=
2,3,6,7,10,11-hexahydroxytriphenylene)
as
host
cationic
photosensitizer
[Ru(phen)3]2+
(phen
1,10-phenanthroline)
guest
were
self-assembled
Ru@Cu-HHTP,
which
showed
high
activity
reduction
under
laboratory
light
source
(CO
production
rate
of
130(5)
mmol
g-1
h-1,
selectivity
92.9%)
or
natural
sunlight
69.5
91.3%),
representing
the
remarkable
performance.
More
importantly,
in
Ru@Cu-HHTP
is
only
about
1/500
quantity
reported
literature.
Theoretical
calculations
control
experiments
suggested
that
assembly
catalysts
photosensitizers
attraction
interactions
can
provide
better
charge
transfer
efficiency,
resulting
performance
ACS Catalysis,
Год журнала:
2020,
Номер
10(10), С. 5734 - 5749
Опубликована: Апрель 17, 2020
There
is
a
considerable
interest
in
the
development
of
photocatalytic
CO2
conversion
by
sunlight,
since
this
process
has
similarities
with
natural
photosynthesis
on
which
life
Earth
based.
At
moment,
most
efforts
field
have
been
aimed
at
increasing
productivity,
rather
than
control
product
distribution.
Particularly,
compounds
two
or
more
carbons
(C2+)
higher
added
value
methane,
carbon
monoxide,
formate,
are
typically
major
products
reduction.
This
review
focuses
those
reports
that
described
formation
atoms
reduction
either
H2O
as
H2
source
electrons
and
protons.
The
existing
literature
organized
according
to
main
factor
considered
be
responsible
for
selectivity
C2+
products,
including
photocatalyst
structuration,
nature
co-catalyst,
influence
defects,
effects
surface
plasmon
band.
Emphasis
made
remarking
current
empirical
knowledge
based
experimental
results
lack
predictive
capability
could
lead
efficient
systems
production.
Angewandte Chemie International Edition,
Год журнала:
2020,
Номер
59(51), С. 22894 - 22915
Опубликована: Фев. 3, 2020
Transforming
CO2
into
fuels
by
utilizing
sunlight
is
promising
to
synchronously
overcome
global
warming
and
energy-supply
issues.
It
crucial
design
efficient
photocatalysts
with
intriguing
features
such
as
robust
light-harvesting
ability,
strong
redox
potential,
high
charge-separation,
excellent
durability.
Hitherto,
a
single-component
photocatalyst
incapable
simultaneously
meet
all
these
criteria.
Inspired
natural
photosynthesis,
constructing
artificial
Z-scheme
provides
facile
way
conquer
bottlenecks.
In
this
review,
we
firstly
introduce
the
fundamentals
of
photocatalytic
reduction
systems.
Thereafter
discuss
state-of-the-art
reduction,
whereby
special
attention
placed
on
predominant
factors
that
affect
photoactivity.
Additionally,
further
modifications
are
important
for
photocatalysis
reviewed.
Energy & Environmental Science,
Год журнала:
2021,
Номер
15(3), С. 880 - 937
Опубликована: Ноя. 16, 2021
Photocatalytic
CO
2
conversion
is
vital
technology
to
realize
global
carbon
neutrality
and
generate
future
energy
supplies.
This
review
proposes
fundamentals,
challenges,
strategies,
prospects
for
photocatalytic
research.
Nature Communications,
Год журнала:
2020,
Номер
11(1)
Опубликована: Авг. 20, 2020
Abstract
Iron
phthalocyanine
(FePc)
is
a
promising
non-precious
catalyst
for
the
oxygen
reduction
reaction
(ORR).
Unfortunately,
FePc
with
plane-symmetric
FeN
4
site
usually
exhibits
an
unsatisfactory
ORR
activity
due
to
its
poor
O
2
adsorption
and
activation.
Here,
we
report
axial
Fe–O
coordination
induced
electronic
localization
strategy
improve
adsorption,
activation
thus
performance.
Theoretical
calculations
indicate
that
evokes
among
direction
of
O–FeN
sites
enhance
To
realize
this
speculation,
coordinated
oxidized
carbon.
Synchrotron
X-ray
absorption
Mössbauer
spectra
validate
between
The
obtained
fast
kinetics
ultralow
Tafel
slope
27.5
mV
dec
−1
remarkable
half-wave
potential
0.90
V.
This
work
offers
new
regulate
catalytic
better
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.
