ChemNanoMat,
Journal Year:
2023,
Volume and Issue:
9(6)
Published: March 30, 2023
Abstract
Few‐layered
graphitic
carbon
nitride
(g‐C
3
N
4
)
has
been
considered
a
popular
base
for
constructing
composite
materials
in
photocatalytic
CO
2
reduction
and
H
generation
applications,
particularly
g‐C
based
composites
on
the
idea
of
nanoarchitectonics.
The
activity
these
constructed
relies
composition,
morphology,
microstructure
material.
This
review
aims
to
focus
summary
latest
progress
development
few‐layered
nanosheets
noble
metal
clusters/nanoparticles
other
semiconductor
nanomaterials
modified
using
technology
nanoarchitectonics
reduction.
covers
brief
introduction
enhanced
photogenerated
carrier
separation
transfer
as
well
extended
light
absorption
superior
thin
photocatalysts;
discussions
mechanism
photocatalyst
involved
O
splitting
system;
study
variety
heterostructures
including
type
II,
Z‐scheme,
S‐scheme,
Schottky
junction.
Major
challenges
heterostructures,
recommendations
future
studies
attain
higher
efficiency
reduction,
are
also
concluded.
Chemical Reviews,
Journal Year:
2021,
Volume and Issue:
122(2), P. 2752 - 2906
Published: Aug. 10, 2021
Photoinduced
chemical
transformations
have
received
in
recent
years
a
tremendous
amount
of
attention,
providing
plethora
opportunities
to
synthetic
organic
chemists.
However,
performing
photochemical
transformation
can
be
quite
challenge
because
various
issues
related
the
delivery
photons.
These
challenges
barred
widespread
adoption
steps
industry.
past
decade,
several
technological
innovations
led
more
reproducible,
selective,
and
scalable
photoinduced
reactions.
Herein,
we
provide
comprehensive
overview
these
exciting
advances,
including
flow
chemistry,
high-throughput
experimentation,
reactor
design
scale-up,
combination
photo-
electro-chemistry.
Chemical Engineering Journal,
Journal Year:
2021,
Volume and Issue:
427, P. 130884 - 130884
Published: June 17, 2021
The
continuously
rising
emission
of
carbon
dioxide
(CO2)
is
a
universal
hazard
which
urgently
requires
collaborative
action
between
policymakers
and
scientists.
International
treaties
such
as
the
Paris
Agreement
(with
196
signatories)
reflect
importance
anthropogenic
climate
change
truly
global
public
concern.
Towards
aim
recovery,
most
broadly
utilized
CO2
reduction
strategies,
including
capture
storage
(CCS);
capture,
utilization,
(CCUS);
utilization
(CCU)
are
reviewed
herein.
Of
these
methods,
CCU
shows
greatest
potential
by
recycling
captured
harnessing
it
resource
to
generate
emissions-neutral
or
-negative
value-added
products
(VAPs).
Within
methodologies,
biologically-mediated
(bio-CCU)
microalgae
promising
biotechnology
drastically
reduce
emissions.
This
review
therefore
details
mechanisms
photosynthesis
sequester
incorporate
into
valuable
biomolecules.
Microalgal
cells
utilize
precursors
macromolecules,
lipids,
proteins,
carbohydrates,
pigments;
all
discussed
within
frame
industrial
relevance
market
value.
biofixation
clearly
demonstrated
content
myriad
VAPs
they
produce.
Moreover,
pathways
towards
decreasing
footprint
(via
prior
atmosphere)
increasing
handprint
(reducing
emissions
consuming
CO2-neutral
products)
related
bio-CCU
presented
Finally,
existing
challenges
knowledge
gaps
acknowledged
described,
future
research
needs
recommended.
Energies,
Journal Year:
2022,
Volume and Issue:
15(3), P. 887 - 887
Published: Jan. 26, 2022
The
paper
presents
and
discusses
modern
methods
technologies
of
CO2
capture
(pre-combustion
capture,
post-combustion
oxy-combustion
capture)
along
with
the
principles
these
examples
existing
operating
installations.
primary
differences
selected
technologies,
possibility
to
apply
them
in
new
low-emission
energy
were
presented.
following
methods:
pre-combustion,
based
on
chemical
absorption,
physical
separation,
membrane
looping
combustion,
calcium
process,
are
discussed
paper.
Large-scale
carbon
utilization
storage
(CCUS)
facilities
under
development
summarized.
In
2021,
27
commercial
CCUS
currently
operation
a
capacity
up
40
Mt
per
year.
If
all
projects
launched,
global
potential
can
be
more
than
ca.
130–150
Mt/year
captured
CO2.
most
popular
developed
indicators
for
comparing
assessing
emission,
avoiding,
cost
connected
avoiding
emissions
also
presented
described
ACS Energy Letters,
Journal Year:
2020,
Volume and Issue:
5(6), P. 1996 - 2014
Published: May 15, 2020
Solar-driven
carbon
dioxide
(CO2)
conversion
to
fuels
and
high-value
chemicals
can
contribute
the
better
utilization
of
renewable
energy
sources.
Photosynthetic
(PS),
photocatalytic
(PC),
photoelectrochemical
(PEC),
photovoltaic
plus
electrochemical
(PV+EC)
approaches
are
intensively
studied
strategies.
We
aimed
compare
performance
these
using
unified
metrics
highlight
representative
studies
with
outstanding
in
a
given
aspect.
Most
importantly,
statistical
analysis
was
carried
out
differences
activity,
selectivity,
durability
various
approaches,
underlying
causes
discussed
detail.
Several
interesting
trends
were
found:
(i)
Only
minority
present
comprehensive
metrics.
(ii)
The
CO2
reduction
products
their
relative
amount
vary
across
different
approaches.
(iii)
PV+EC
approach
is
likely
lead
industrial
technologies
midterm
future.
Last,
brief
perspective
on
new
directions
stimulate
discussion
future
research
activity.
Chemosphere,
Journal Year:
2021,
Volume and Issue:
271, P. 129506 - 129506
Published: Jan. 2, 2021
Nanostructured
photocatalysts
have
always
offered
opportunities
to
solve
issues
concerned
with
the
environmental
challenges
caused
by
rapid
urbanization
and
industrialization.
These
materials,
due
their
tunable
physicochemical
characteristics,
are
capable
of
providing
a
clean
sustainable
ecosystem
humanity.
One
current
thriving
research
focuses
visible-light-driven
is
on
nanocomposites
titanium
dioxide
(TiO2)
carbon
nanostructures,
especially
graphene.
Coupling
TiO2
graphene
has
proven
more
active
photocatalysis
than
alone.
It
generally
considered
that
sheets
act
as
an
electron
acceptor
facilitating
transfer
separation
photogenerated
electrons
during
excitation,
thereby
reducing
electron-hole
recombination.
This
study
briefly
reviews
fundamental
mechanism
interfacial
charge-transfer
dynamics
in
TiO2/graphene
nanocomposites.
Design
strategies
various
graphene-based
hybrids
highlighted
along
some
specialized
synthetic
routes
adopted
attain
preferred
properties.
Importantly,
enhancing
charge
e¯CB
through
layers
morphology
orientation
TiO2,
predominated
exposure
high
energy
crystal
facets,
defect
engineering,
catalytic
sites
graphene,
constructing
dedicated
architectures,
tuning
nanomaterial
dimensionality
at
interface,
employing
synergism
modifications,
systematically
compiled.
Portraying
significance
these
photocatalytic
remediation,
important
applications
including
air
water
purification,
self-cleaning
surfaces,
H2
production,
CO2
reduction
desired
fuels,
addressed.
Energy & Fuels,
Journal Year:
2021,
Volume and Issue:
35(9), P. 7364 - 7386
Published: April 7, 2021
In
this
paper,
we
review
and
analyze
the
salient
features
of
ongoing
energy
transition
from
a
high
to
low
carbon
economy.
Our
analysis
shows
that
will
require
decarbonizing
power,
transport,
industry
sectors,
pathway
be
country-specific.
Carbon
capture
storage
(CCS)
technologies
play
major
role
in
by
existing
new
fossil
fuel
power
plants
production
low-carbon
fossil-fuel-based
blue
hydrogen.
Blue
hydrogen
can
used
for
cell
mobility
transport
sector
heat
feedstock
sector.
Current
estimates
show
there
is
adequate
CO2
capacity
world's
saline
aquifers
oil
gas
reservoirs
store
2
centuries
anthropogenic
emission.
However,
slow
pace
CCS
implementation
concerning
due,
part,
too
an
price
make
CO2-enhanced
recovery
profitable,
lack
financial
incentives
geological
storage,
public
acceptance,
consistent
government
policy
regulations,
capital
investment.
We
propose
several
ways
accelerate
implementation.
Among
others,
they
include
establishing
regional
corridors
use
economy
scale,
engagement,
pricing,
using
public–private
partnership
financing,
technology
transfer,
linking
up
different
stakeholders.
Advanced Energy Materials,
Journal Year:
2021,
Volume and Issue:
11(46)
Published: Nov. 6, 2021
Abstract
To
make
efficient
use
of
electrical
energy
in
the
whole
electrocatalysis
conversion
process,
integrating
anode
and
cathode
reactions
plays
a
vital
role.
The
combination
electrocatalytic
anodic
oxidation
with
cathodic
reduction
can
not
only
maximize
return
investment,
but
also
produces
value‐added
materials
on
both
sides.
Herein,
this
review,
recent
advances
co‐electrolysis
processes
for
valuable
chemical
production
are
systematically
summarized.
be
more
specific,
popular
hydrogen
evolution
reaction,
carbon
dioxide
nitrogen
reaction
as
well
nitrate
integrated
to
products,
respectively
comprehensively
reviewed,
then
other
paired
electrolysis
systems
(especially
biomass‐based
compounds)
toward
high‐value‐added
generation
discussed
detail.
This
review
sheds
light
integration
reductions
develop
high‐value
substances.
benefit
researchers
facilitate
progress
field,
challenges
future
prospects
these
proposed.