ACS Omega,
Год журнала:
2023,
Номер
8(32), С. 29234 - 29246
Опубликована: Авг. 4, 2023
Dye-sensitized
solar
cells
(DSCs)
can
provide
a
clean
energy
solution
to
growing
demands.
In
order
have
devices
of
high
performance,
sensitizers
that
are
able
absorb
in
the
near-infrared
region
(NIR)
needed.
Stronger
electron
donors
needed
for
intramolecular
charge-transfer
access
longer
wavelength
photons.
Thus,
two
novel
organic
dyes
with
cross-conjugated
dibenzosilin
double
donor
design
studied
herein.
The
delocalizes
multiple
filled
orbitals
across
both
amine
due
fused
planarizes
as
observed
computationally,
which
improves
strength.
via
density
functional
theory
(DFT),
optical
spectroscopy,
electrochemistry,
and
DSC
devices.
studies
indicate
dye
reduce
recombination
losses,
allowing
improved
device
performances
relative
single
arylamine
donor.
reduction
losses
is
attributed
six
alkyl
chains
incorporated
into
donor,
offer
good
surface
protection.
Nano Energy,
Год журнала:
2024,
Номер
128, С. 109932 - 109932
Опубликована: Июнь 29, 2024
The
Internet
of
Things
revolution
requires
a
low-cost,
stable,
and
highly
efficient
power
source
to
allow
autonomous
operation
smart
objects
wireless
sensors
even
at
very
low
light
levels.
Indoor
photovoltaics
(PV)
has
the
potential
fulfil
these
requirements,
providing
independence
from
main
grid,
portability,
improved
sustainability
for
low-consumption
devices.
Whereas
polycrystalline
silicon
dominates
outdoor
solar
cell
market,
amorphous
is
commercially
more
suited
products
used
inside
buildings,
delivering
higher
efficiencies
under
indoor
illumination
(with
its
extremely
lower
intensities
narrower
spectra
compared
sunlight).
In
recent
years,
there
been
remarkable
rise
in
research
development
new
generation
photovoltaic
cells,
i.e.,
those
based
on
organic,
dye-sensitized
perovskite
absorbers,
focused
applications
with
rising
well
above
possible
sun
reaching
surpassing
30
%
conversion
efficiency
threshold.
This
review
provides
systematic
overview
PV
devices,
highlighting
progress
achieved
strategies
design
cells
as
issues
be
resolved
this
field
continue
prosper.
We
also
analyse
differences
device
meant
outdoors
vs
indoors.
Markets
tapped
by
harvesting
are
huge,
ranging
building-integrated
elements
consumer
products,
biomedical
communication
technologies.
ACS Sustainable Chemistry & Engineering,
Год журнала:
2024,
Номер
12(16), С. 6424 - 6432
Опубликована: Апрель 11, 2024
Aqueous
dye-sensitized
solar
cells
(a-DSSCs)
have
emerged
as
a
promising
option
for
safe,
cost-effective,
and
environmentally
friendly
photovoltaic
technology.
Unlike
conventional
organic-based
DSSCs,
a-DSSCs
utilize
water
greener
safer
electrolyte
solvent.
This
study
introduces
the
first
time
use
of
N-methylbenzimidazolium
acetate
(HNMBI+OAc–)
along
with
water-soluble
copper
redox-couple
[bis(6,6′-dimethyl-2,2′-bipyridine)
(I/II)
acetate]
in
a-DSSCs.
The
delves
into
electrochemical
properties
different
compositions,
highlighting
significance
employed
HNMBI+OAc–
additive
providing
free
N-methylbenzimidazole
Lewis
base
medium
that
turn
enhances
performance
by
mitigating
electron
recombination
processes
possibly
improving
dye
regeneration.
Furthermore,
optimized
tested
exhibited
remarkable
stability
when
exposed
to
constant
ambient
light
irradiations
one
year,
or
high
temperatures
(52
°C)
1000
h
dark,
marking
successful
progress
toward
sustainable
durable
devices.
Advanced Materials Technologies,
Год журнала:
2025,
Номер
unknown
Опубликована: Фев. 8, 2025
Abstract
Dye‐sensitized
solar
cell
(DSSC)
represents
an
emerging
technology
in
the
field
of
photovoltaics,
achieving
impressive
efficiency
36.27%
with
a
tandem
structure
to
date.
This
performance
underscores
potential
DSSC
rival
commercially
established
conventional
silicon
cells
future.
However,
development
hinges
on
selection
suitable
materials,
particularly
for
photoanode
layer.
Challenges
arise
from
non‐ideal
interfaces
resulting
inefficient
material
choices,
which
hinder
effective
charge
transport
and
stability.
Given
that
light
harvesting
primarily
occurs
at
photoanode,
it
is
crucial
understand
both
fundamental
contemporary
research
methodologies
anchoring
dye
molecules
prevent
unwanted
electron
recombination.
review
focuses
progress
selecting
materials
associated
strategies.
It
examines
metal
oxide
semiconductors,
explores
2D
conductive
polymer
metal‐organic
frameworks
cells,
determining
their
effectiveness
compared
other
enhancing
efficiency.
Additionally,
this
emphasizes
latest
identifies
less‐explored
future
directions
field.
ACS Sustainable Chemistry & Engineering,
Год журнала:
2023,
Номер
11(32), С. 12166 - 12176
Опубликована: Авг. 2, 2023
Carbon
black
(CB)
is
a
readily
available,
inexpensive
carbonaceous
material
with
good
catalytic
activity,
which
has
been
utilized
alone
or
in
composites
to
fabricate
highly
efficient
counter
electrodes
(CEs)
for
dye-sensitized
solar
cells
(DSSCs)
employing
copper
redox
couple.
First,
the
activities
of
CEs
various
CB
layers
were
evaluated
and
results
reveal
that
number
an
important
factor
determining
electrochemical
behaviors
CEs.
At
optimal
layers,
CE
electrocatalytic
activity
higher
than
Pt
power
conversion
efficiency
(PCE)
corresponding
DSSC
(8.58%)
sensitized
by
Y123
also
cell
using
(6.89%).
To
further
increase
performance
CEs,
poly(3,4-ethylenedioxythiophene)
(PEDOT)
film
deposited
on
CB/FTO
forming
PEDOT/CB/FTO
composite
It
shows
have
even
plain
CB,
PEDOT,
ones.
By
these
PCE
10.08%
can
be
achieved.
Under
room
light
conditions,
achieve
high
26.21%
(1500
lux).
The
stability.
ACS Applied Materials & Interfaces,
Год журнала:
2023,
Номер
15(37), С. 43835 - 43844
Опубликована: Сен. 11, 2023
Despite
significant
progress
in
device
performance,
dye-sensitized
solar
cells
(DSSCs)
continue
to
fall
short
of
their
theoretical
potential.
Moreover,
research
recent
years
needs
pay
more
attention
improving
the
fabrication
process.
To
achieve
efficiency
limit,
it
is
crucial
optimize
interface
between
dye
and
TiO2
nanoparticles
entire
stack.
Our
study
indicates
that
optimizing
structure
or
size
coadsorbents
implementing
a
monolayer
adsorption
process
can
be
an
effective
strategy
reduce
charge
recombination
enhance
light-harvesting
properties.
aims
develop
surface-coating
adsorbent
plan
controls
nanoparticle
radiative
limit
power
conversion
(PCE).
Specifically,
we
utilized
2-thiophenecarboxylic
acid
(THCA)
chenodeoxycholic
(CDCA)
as
postinterfacial
adsorbents.
results
demonstrate
this
approach
effectively
achieves
desired
PCE
limit.
Combined
with
coadsorbent
engineering
optimization,
increased
packing
area
on
nanoparticles'
surface,
reaching
improved
over
13.17%
under
simulated
sunlight
(1.5G),
which
highest
porphyrin
single
dye-based
DSSC.
In
particular,
practical
was
also
applied
large-area
DSSC
3
cm2,
yielding
remarkable
9.04%.
Furthermore,
when
polymer
gel
electrolyte,
novel
recorded
11.16%
long-term
operational
stability
up
1000
h
for
quasi-solid-state
DSSCs.
findings
provide
promising
avenue
achieving
high-performance
DSSCs
ease
access
applications
alternatives
conventional
sources.
Journal of Materials Chemistry C,
Год журнала:
2023,
Номер
11(37), С. 12486 - 12510
Опубликована: Янв. 1, 2023
In
the
last
few
years,
organic
solar
cells
have
emerged
with
potential
applications
in
abundant
low-power
indoor
Internet
of
Things
devices,
such
as
smart
watches,
calculators,
remote
controls,
and
other
devices.
Abstract
Dye‐sensitized
solar
cells
(DSSCs)
are
a
feasible
alternative
to
traditional
silicon‐based
because
of
their
low
cost,
eco‐friendliness,
flexibility,
and
acceptable
device
efficiency.
In
recent
years,
solid‐state
DSSCs
(ss‐DSSCs)
have
garnered
much
interest
as
they
can
overcome
the
leakage
evaporation
issues
liquid
electrolyte
systems.
However,
poor
morphology
solid
electrolytes
interface
with
photoanodes
minimize
performance.
The
photosensitizer/dye
is
critical
component
ss‐DSSCs
plays
vital
role
in
device‘s
overall
this
review,
we
summarize
developments
performance
photosensitizers,
including
mono‐
co‐sensitization
ruthenium,
porphyrin,
metal‐free
organic
dyes
under
1
sun
ambient/artificial
light
conditions.
We
also
discuss
various
requirements
that
efficient
photosensitizers
should
satisfy
provide
an
overview
historical
development
over
years.