Advanced Energy Materials,
Journal Year:
2024,
Volume and Issue:
14(11)
Published: Jan. 28, 2024
Abstract
Bias‐free
solar
water‐splitting
technology
is
considered
an
ideal
solution
to
address
the
energy
crisis,
as
it
can
efficiently
convert
hydrogen
and
has
made
groundbreaking
progress.
Particularly,
photovoltaic
(PV)‐driven
electrolysis
systems
exhibit
promising
potential
for
enhanced
conversion
efficiency.
Nonetheless,
majority
of
research
on
PV‐driven
remains
confined
laboratory
scale,
with
industrial‐scale
application
still
in
nascent
stages.
This
review
comprehensively
explores
pivotal
factors
required
practically
apply
bias‐free
electrochemical
water
splitting
current
research.
It
delves
into
fundamental
principles
involved
components,
configuration
structure
varied
integration
degree
systems,
differences
composition
level
devices,
system
reaction
environment
electrolytic
system,
strategy
development
refinement
electrocatalysts.
Furthermore,
offers
a
perspective
analysis
future
trajectories
each
component.
work
aims
shed
light
scientific
hurdles
exploration
prospects
faced
by
field
process
becoming
practical.
Abstract
Metal
halide
perovskite
(MHP)
materials
have
shown
great
advantages
for
the
next‐generation
optoelectronic
devices,
especially
light‐emitting
diodes
(LEDs),
on
account
of
their
outstanding
photoelectric
properties
and
facile
solution
processability.
However,
performances
red
LEDs
(PeLEDs)
are
not
ready
commercialization,
presumably
due
to
instability
both
emission
spectra
operation
conditions,
toxicity
lead
ions.
In
this
review,
structures,
physical
properties,
preparation
approaches
emissive
first
introduced,
including
3D
bulk
perovskites,
2D
quasi‐2D
colloidal
nanocrystals
(NCs).
addition,
several
strategies
that
contribute
recent
development
achievement
PeLEDs
summarized
in
detail,
mainly
involving
component
engineering,
dimension,
phase
distribution
modulation,
ligand
additive
interfacial
light
out‐coupling
device
structure.
Moreover,
challenges
corresponding
solutions
discussed
from
three
aspects
spectral
stability,
operational
lead‐free
PeLEDs.
Finally,
conclusion
outlook
promising
future
raised.
ACS Energy Letters,
Journal Year:
2022,
Volume and Issue:
7(9), P. 3104 - 3111
Published: Aug. 29, 2022
The
energy
level
alignment
at
interfaces
of
perovskite
solar
cells
(PSCs)
is
an
essential
factor
determining
their
efficiency
and
stability.
Therefore,
interface
capable
appropriate
band
bending,
minimal
defects,
good
contacts
the
key
issue
for
obtaining
high-performing
stable
PSCs.
Herein,
we
present
innovative
engineering
approach
employing
ortho-squaraine
derivative
with
zwitterionic
resonance
structure,
which
can
change
charge
state
surface
to
tune
structure
form
π–π
stacking
hole-transporting
material
shorten
carrier
transmission
distance
facilitate
transfer.
By
synergistic
action
double
functionalization,
PSCs
containing
3,4-Bis(4-bromophenyl)cyclobut-3-ene-1,2-dione
achieved
power
conversion
(PCE)
23.82%,
stability
unencapsulated
devices
are
greatly
improved.
For
interfacial
engineering,
use
resonant
squaraine
zwitterion
a
promising
chemical
design
element
enhance
PSCs'
Advanced Energy Materials,
Journal Year:
2023,
Volume and Issue:
13(44)
Published: Oct. 8, 2023
Abstract
Despite
remarkable
progress
in
perovskite
solar
cells
(PSCs),
the
unsatisfying
stability
strongly
interrelated
with
defect
density
remains
main
obstacle
for
commercialization.
Herein,
a
synergetic
passivation
method
is
judiciously
designed
that
consists
of
precursor
engineering
strategy
based
on
an
ionic
liquid
1‐butylsulfonate‐3‐methylimidazolium
dihydrogen
phosphate
(BMDP),
and
two‐stage
annealing
(TSA)
treatment
to
sufficiently
passivate
defects
enhance
performance
further.
It
found
multifunctional
groups
from
BMDP
have
strong
chemical
interactions
form
chelated
complexes
components
thus
effectively
passivating
intrinsic
defects.
Synergized
by
sequential
TSA
treatment,
formed
hydrophobic
can
be
precisely
controlled
filling
along
grain
boundaries
(GBs)
surfaces,
leading
wrapping
grains
significant
GBs.
Consequently,
both
deep‐
shallow‐level
bulk,
at
GBs
surface
are
passivated,
resulting
champion
efficiency
24.20%.
Impressively,
resultant
unencapsulated
films
corresponding
devices
exhibit
admirable
maintaining
83.9%
initial
composition
4000
h
aging
moist
air,
81.7%
original
structure
after
continuous
heating
1600
h,
97%
power
conversion
1000
under
illumination.
This
work
provides
efficient
toward
improved
PSCs.
Advanced Energy Materials,
Journal Year:
2023,
Volume and Issue:
13(12)
Published: Feb. 12, 2023
Abstract
Perovskite
solar
cells
(PSCs)
have
attracted
a
great
deal
of
attention
from
the
photovoltaic
(PV)
community
because
their
remarkable
performance,
low
production
cost,
and
high
potential
to
be
integrated
into
other
optoelectronic
applications.
Despite
promise,
challenges
associated
with
operational
stability
drawn
increasing
over
past
decade.
Owing
unique
structure
fascinating
properties
such
as
charge
mobility,
excellent
conductivity,
tunable
bandgap,
good
optical
transparency,
optimal
surface
functionalization,
nanostructured
materials,
in
particular
monoelemental
2D
recently
been
demonstrated
play
versatile
functions
suppressing
degradation
PSCs
enhancing
PV
performance
devices.
In
this
review,
recent
advances
perovskite
employing
materials
are
presented.
A
brief
overview
light
absorbers
based
devices
is
first
introduced,
followed
by
critical
discussions
on
use
various
elemental
including
graphene,
phosphorene,
antimonene,
borophene,
bismuthene,
derivatives
for
different
components
cells.
Finally,
cutting‐edge
research
area
highlighted,
authors
express
own
perspectives
addressing
these
key
issues.
Advanced Energy Materials,
Journal Year:
2024,
Volume and Issue:
14(11)
Published: Jan. 28, 2024
Abstract
Bias‐free
solar
water‐splitting
technology
is
considered
an
ideal
solution
to
address
the
energy
crisis,
as
it
can
efficiently
convert
hydrogen
and
has
made
groundbreaking
progress.
Particularly,
photovoltaic
(PV)‐driven
electrolysis
systems
exhibit
promising
potential
for
enhanced
conversion
efficiency.
Nonetheless,
majority
of
research
on
PV‐driven
remains
confined
laboratory
scale,
with
industrial‐scale
application
still
in
nascent
stages.
This
review
comprehensively
explores
pivotal
factors
required
practically
apply
bias‐free
electrochemical
water
splitting
current
research.
It
delves
into
fundamental
principles
involved
components,
configuration
structure
varied
integration
degree
systems,
differences
composition
level
devices,
system
reaction
environment
electrolytic
system,
strategy
development
refinement
electrocatalysts.
Furthermore,
offers
a
perspective
analysis
future
trajectories
each
component.
work
aims
shed
light
scientific
hurdles
exploration
prospects
faced
by
field
process
becoming
practical.
