Materials Reports Energy,
Journal Year:
2023,
Volume and Issue:
3(4), P. 100235 - 100235
Published: Oct. 27, 2023
Due
to
the
abundance
and
sustainability
of
solar
energy,
converting
it
into
chemical
energy
obtain
clean
presents
an
ideal
solution
for
addressing
environmental
pollution
shortages
stemming
from
extensive
combustion
fossil
fuels.
In
recent
years,
hydrogen
has
emerged
on
stage
history
as
most
promising
carrier
21st
century.
Among
current
methods
producing
hydrogen,
photocatalytic
production
technology,
a
zero-carbon
approach
high
calorific
value
pollution-free
attracted
much
attention
since
its
discovery.
As
core
photocatalysis
semiconductor
photocatalysts
are
always
research
hotspots.
them,
graphite-phase
carbon
nitride
(g-C3N4),
organic
material
composed
only
C
N
elements,
possesses
physicochemical
properties
incomparable
those
traditional
inorganic
materials,
including
suitable
band
positions,
easy
structural
regulation,
inexpensive
raw
materials
abundant
reserves,
simple
preparation,
thermal/mechanical/chemical
stability,
etc.
Therefore,
g-C3N4
in
field
last
two
decades.
This
review
comprehensively
outlines
trajectory
production,
encompassing
development,
preparation
methods,
advantages,
disadvantages.
A
concise
introduction
is
provided,
well
analysis
underlying
mechanism
system.
Additionally,
delves
latest
techniques
enhance
performance,
nanostructure
design,
elemental
doping,
heterojunction
construction.
The
applications
based
surveyed,
underscoring
significance
catalyst
active
sites
synthesis
pathways.
At
length,
concluded
insights
challenges
opportunities
presented
by
achieving
heightened
production.
Nature Communications,
Journal Year:
2023,
Volume and Issue:
14(1)
Published: March 28, 2023
Abstract
Nanostructured
metal-nitrides
have
attracted
tremendous
interest
as
a
new
generation
of
catalysts
for
electroreduction
CO
2
,
but
these
structures
limited
activity
and
stability
in
the
reduction
condition.
Herein,
we
report
method
fabricating
FeN/Fe
3
N
nanoparticles
with
interface
exposed
on
NP
surface
efficient
electrochemical
reaction
(CO
RR).
The
is
populated
Fe−N
4
coordination
sites
respectively
that
show
desired
catalysis
synergy
to
enhance
CO.
Faraday
efficiency
reaches
98%
at
−0.4
V
vs.
reversible
hydrogen
electrode,
FE
stays
stable
from
−0.9
during
100
h
electrolysis
time
period.
This
arises
electron
transfer
Fe
FeN
preferred
adsorption
*COOH
FeN.
Our
study
demonstrates
reliable
control
strategy
improve
catalytic
Fe–N
structure
RR.
Advanced Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: June 10, 2024
Abstract
Photocatalytic
solar
hydrogen
generation,
encompassing
both
overall
water
splitting
and
organic
reforming,
presents
a
promising
avenue
for
green
production.
This
technology
holds
the
potential
reduced
capital
costs
in
comparison
to
competing
methods
like
photovoltaic‐electrocatalysis
photoelectrocatalysis,
owing
its
simplicity
fewer
auxiliary
components.
However,
current
solar‐to‐hydrogen
efficiency
of
photocatalytic
production
has
predominantly
remained
low
at
≈1–2%
or
lower,
mainly
due
curtailed
access
entire
spectrum,
thus
impeding
practical
application
review
offers
an
integrated,
multidisciplinary
perspective
on
Specifically,
existing
approaches
photocatalyst
system
designs
aimed
significantly
boosting
efficiency,
while
also
considering
factors
cost
scalability
each
approach.
In‐depth
discussions
extending
beyond
efficacy
material
design
strategies
are
particularly
vital
identify
hurdles
translating
photocatalysis
research
large‐scale
applications.
Ultimately,
this
aims
provide
understanding
feasible
pathways
commercializing
technology,
engineering
economic
standpoints.
Angewandte Chemie International Edition,
Journal Year:
2024,
Volume and Issue:
63(20)
Published: March 18, 2024
Abstract
Design
the
electrocatalysts
without
noble
metal
is
still
a
challenge
for
oxygen
evolution
reaction
(OER)
in
acid
media.
Herein,
we
reported
manganese
(Mn)
doping
method
to
decrease
concentration
of
vacancy
(V
O
)
and
form
Mn−O
structure
adjacent
octahedral
sites
spinel
NiCo
2
4‐δ
(NiMn
1.5
Co
3
),
which
highly
enhanced
activity
stability
with
low
overpotential
(
η
280
mV
at
j
=10
mA
cm
−2
long‐term
80
h
The
isotopic
labelling
experiment
based
on
differential
electrochemical
mass
spectrometry
(DEMS)
clearly
demonstrated
lattice
NiMn
more
stable
due
strong
bond
shows
synergetic
adsorbate
mechanism
(SAEM)
OER.
Density
functional
theory
(DFT)
calculations
reveal
increased
formation
energy
(E
VO
after
Mn
doping.
More
importantly,
hydrogen
bonding
between
*OOH
adsorbed
promote
*OO
from
greatly
charge
density
substituted
sites.