Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
34(29)
Published: March 7, 2024
Abstract
Single‐layer
carbon
nitride
(SLCN)
is
introduced
as
a
metal‐free
organic
electron
transport
material
(ETL)
for
solar
cells,
delivering
performance
comparable
to
that
of
the
benchmark
nanocrystalline
ZnO.
SLCN
produced
in
form
stable
aqueous
inks
and
can
serve
an
efficient
layer
three
different
types
active
layers,
showing
high
stability
photodegradation.
A
lower
conductivity
films
compared
ZnO
counter‐balanced
by
their
higher
transparency
light
scattering
losses.
The
ETL
provides
unique
opportunity
tune
work
function
from
ca.
−4.1
−4.6
eV
varying
annealing
temperature
due
partial
thermal
oxidation
film.
PL
band
position
follows
oxidation‐induced
changes
allowing
properties
be
used
predict
PV
efficiency.
2D
structure
coupled
with
structural
compositional
variability,
tunability
show
promise
emerging
devices.
Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
34(40)
Published: July 26, 2024
Abstract
The
use
of
photons
to
directly
or
indirectly
drive
chemical
reactions
has
revolutionized
the
field
nanomaterial
synthesis
resulting
in
appearance
new
sustainable
laser
chemistry
methods
for
manufacturing
micro‐
and
nanostructures.
incident
radiation
triggers
a
complex
interplay
between
physical
processes
at
interface
solid
surface
liquid
gas
environment.
In
such
multi‐parameter
system,
precise
control
over
nanostructures
is
not
possible
without
deep
understanding
both
environment‐affected
processes.
present
review
intends
provide
detailed
systematization
these
surveying
well‐established
emerging
technologies
production
advanced
nanomaterials.
Both
gases
liquids
are
considered
as
potential
reacting
environments
affecting
fabrication
process,
while
subtractive
additive
analyzed.
Finally,
prospects
applications
discussed.
Nature Communications,
Journal Year:
2024,
Volume and Issue:
15(1)
Published: Aug. 2, 2024
The
swift
progress
in
wearable
technology
has
accentuated
the
need
for
flexible
power
systems.
Such
systems
are
anticipated
to
exhibit
high
efficiency,
robust
durability,
consistent
output,
and
potential
effortless
integration.
Integrating
ultraflexible
energy
harvesters
storage
devices
form
an
autonomous,
efficient,
mechanically
compliant
system
remains
a
significant
challenge.
In
this
work,
we
report
90
µm-thick
harvesting
(FEHSS)
consisting
of
high-performance
organic
photovoltaics
zinc-ion
batteries
within
configuration.
With
conversion
efficiency
surpassing
16%,
output
exceeding
10
mW
cm–2,
density
beyond
5.82
mWh
FEHSS
can
be
tailored
meet
demands
sensors
gadgets.
Without
cumbersome
rigid
components,
shows
immense
as
versatile
source
advance
electronics
contribute
toward
sustainable
future.
integration
Here,
authors
solar
cells
batteries,
exhibiting
Advanced Materials,
Journal Year:
2024,
Volume and Issue:
36(28)
Published: April 26, 2024
In
organic
photovoltaic
cells,
the
solution-aggregation
effect
(SAE)
is
long
considered
a
critical
factor
in
achieving
high
power-conversion
efficiencies
for
polymer
donor
(PD)/non-fullerene
acceptor
(NFA)
blend
systems.
However,
underlying
mechanism
has
yet
to
be
fully
understood.
Herein,
based
on
an
extensive
study
of
blends
consisting
representative
2D-benzodithiophene-based
PDs
and
acceptor-donor-acceptor-type
NFAs,
it
demonstrated
that
SAE
shows
strong
correlation
with
aggregation
kinetics
during
solidification,
competition
between
PD
NFA
determines
phase
separation
film
thus
performance.
SAEs
enable
earlier
evolutions
than
resulting
well-known
polymer-templated
fibrillar
network
structures
superior
PCEs.
With
weakening
PDs'
effects,
showing
stronger
tendencies
aggregate,
tend
form
oversized
domains,
leading
significantly
reduced
external
quantum
fill
factors.
These
trends
reveal
importance
matching
NFA.
The
abilities
various
materials
are
further
evaluated
ability/photovoltaic
parameter
diagrams
64
PD/NFA
combinations
provided.
This
work
proposes
guiding
criteria
facile
approach
match
efficient
Advanced Materials Technologies,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 20, 2025
Abstract
The
urgency
for
a
sustainable
mitigation
of
the
environmental
impacts
caused
by
climate
change
highlights
importance
renewable
energy
technologies
to
fight
this
challenge.
Perovskite
solar
cells
(PSCs)
emerge
as
promising
alternative
traditional
photovoltaic
(PV)
due
their
unprecedented
increase
in
efficiency
(currently
peaking
at
26.95%)
and
long‐term
stability
proven
successful
completion
industry
relevant
International
Electrotechnical
Commission
(IEC)
testing
standards.
Flexible
PSCs
(f‐PSCs)
offer
significant
advantages
such
lightweight
high
power‐per‐weight
ratio,
mechanical
flexibility,
throughput
roll‐to‐roll
(R2R)
manufacturing.
These
make
f‐PSCs
ideal
implementation
various
applications
areas,
wearable
electronics,
portable
devices,
space
PV,
building‐
or
automotive‐integrated
PVs,
more.
Notably,
efficiencies
over
23%
now
mark
milestone
f‐PSCs,
demonstrating
competitiveness
with
rigid
panels.
This
review
explores
breakthroughs
focusing
on
flexible
substrates,
electrode
materials,
perovskite
inks,
encapsulation
strategies.
It
also
covers
recent
advancements
studies
fabricated
scalable
deposition
methods
emphasizes
interfacial
engineering
enhancing
durability.
concludes
summary
key
findings,
remaining
challenges,
perspectives
market
uptake
f‐PSCs.
ACS Applied Optical Materials,
Journal Year:
2024,
Volume and Issue:
2(12), P. 2476 - 2500
Published: April 19, 2024
Triplet
excited
states
in
organic
semiconductors
are
usually
optically
dark
and
long-lived
as
they
have
a
spin-forbidden
transition
to
the
singlet
ground
state
therefore
hinder
processes
light-harvesting
applications.
Also,
triplets
often
cause
damage
system
can
sensitize
formation
of
reactive
oxygen.
Despite
these
unfavorable
characteristics,
there
exist
mechanisms
through
which
we
utilize
triplet
states,
that
constitutes
scope
this
review.
Commencing
with
an
introductory
short
exploration
problem,
proceed
elucidate
principal
underpinning
utilization
materials:
1.
Phosphorescence
(PH),
2.
Thermally
Activated
Delayed
Fluorescence
(TADF),
3.
Triplet-Triplet
Annihilation
(TTA).
In
each
section
unveil
their
working
principles,
highlight
vast
range
applications,
discuss
limitations
perspectives.
We
dedicate
special
attention
use
light-emitting
diodes
(OLEDs),
given
OLEDs
represent
most
thriving
commercial
application
semiconductors.
This
review
aims
provide
readers
insights
opportunities
engage
contribute
study
photophysical
properties
device
physics
semiconductors,
especially
regarding
harnessing
potential
states.
Advanced Materials,
Journal Year:
2024,
Volume and Issue:
36(35)
Published: June 22, 2024
Molecular
doping
is
commonly
utilized
to
tune
the
charge
transport
properties
of
organic
semiconductors.
However,
applying
this
technique
electrically
dope
inorganic
materials
like
metal
oxide
semiconductors
challenging
due
limited
availability
molecules
with
suitable
energy
levels
and
processing
characteristics.
Herein,
n-type
zinc
(ZnO)
films
demonstrated
using
1,3-dimethylimidazolium-2-carboxylate
(CO
Advanced Energy Materials,
Journal Year:
2023,
Volume and Issue:
13(38)
Published: Aug. 18, 2023
Abstract
Due
to
their
environmental
friendliness,
low
cost,
and
versatility
in
applications,
flexible
Cu
2
ZnSn(S,
Se)
4
(CZTSSe)
solar
cells
have
garnered
significant
attention
recent
years.
However,
the
lack
of
alkali
metal
elements
substrate
has
posed
a
challenge
advancement
CZTSSe
cells.
In
this
study,
post‐treatment
strategy
is
proposed
involving
Rb
ions
simultaneously
regulate
surface
properties
film
reactions
during
CdS
chemical
bath
deposition
(CBD)
process.
Material
characterization
results
confirm
that
effectively
passivate
detrimental
Se
0
defect,
leading
more
active
for
epitaxial
growth.
Additionally,
coordination
between
thiourea
CBD
solution
improves
ion‐by‐ion
layer.
These
beneficial
effects
significantly
improve
heterojunction
interface
consequently
enable
cell
achieve
record
total‐area
efficiency
12.84%
excellent
bending
performance.
Overall,
regulation
employed
work,
along
with
obtained
remarkable
results,
offer
promising
prospects
development