International Research Journal of Multidisciplinary Technovation,
Journal Year:
2024,
Volume and Issue:
unknown, P. 292 - 302
Published: Nov. 30, 2024
In
the
present
study,
thirteen
triphenylamine-based
organic
dye
sensitizers
with
donor-π-acceptor
patterns
were
created
for
utilization
in
sensitized
solar
cells
(DSSCs).
Theoretical
computations
such
as
DFT
and
TDDFT
employed
to
analyse
molecular
structure
of
dyes.
Optimization
was
attained
using
DFT/B3LYP
approach
6-311++G
(d,p)
basis
set
investigate
structural
spectroscopic
parameters.
This
study
deals
effect
different
π-spacers.
The
electrochemical
characteristics,
electronic
absorption
spectra,
energy
levels,
injection
energy,
light
harvesting
efficiency
(LHE),
frontier
orbitals,
generation
examined.
All
dyes
are
suitable
DSSC
applications.
parameters
low
bandgap
(2.30
eV),
high
(0.972),
strong
oscillator
strength,
broad
spectrum
electron
made
P6
best-performing
one.
ACS Omega,
Journal Year:
2025,
Volume and Issue:
10(14), P. 13726 - 13748
Published: April 1, 2025
Dye-sensitized
solar
cells
(DSSCs)
have
emerged
as
a
promising
alternative
in
photovoltaic
energy,
owing
to
their
efficiency,
cost-effectiveness,
and
versatility.
Sensitizers
are
crucial
efficiently
converting
energy
into
electricity
these
systems.
This
review
focuses
on
employing
coumarins,
class
of
aromatic
organic
compounds,
sensitizers
DSSCs.
We
address
the
synthesis
photophysical
electronic
properties,
application
optimizing
conversion
efficiency
explore
molecular
engineering
strategies
used
improve
properties
including
structural
modification
combination
with
other
materials.
Furthermore,
we
discuss
current
challenges
prospects
for
development
DSSCs
using
coumarins
sensitizers.
aims
provide
comprehensive
overview
state
future
directions
this
exciting
area
research.
Molecular Physics,
Journal Year:
2024,
Volume and Issue:
unknown
Published: April 26, 2024
This
study
explores
the
concept
of
all-organic
sensitisation
dye-sensitized
solar
cells
(DSSCs)
by
using
a
cosensitization
approach
to
model
efficient
porphyrin-based
photosensitizers.
The
aim
is
enhance
absorption
defects
and
light
response
current
porphyrin
dyes,
which
have
been
reported
in
literature.
In
this
work,
eight
(8)
natural
derivatives
obtained
through
bridged
copolymerisation
free
base
tetraazaporphyrin
modelized
analysed.
Their
geometric
parameters,
stability
energies,
chemical
stabilities,
photochemical
properties
were
studied
density
functional
theory
(DFT)
methods
both
gaseous
dichloromethane
(DCM)
phases.
analysis
properties,
including
maximum
wavelength
(λmax),
harvesting
efficiency
(LHE),
electron
injection
driving
force
(ΔGinj),
regeneration
(ΔGreg),
excited
state
lifetime
(τ)
photosensitizers,
show
significant
improvement
compared
parent
dye
(free
porphyrin)
some
recent
SM315
YD2-o-C8.
It
worth
noting
that
modelled
dyes
from
broader
LHE
curves
not
only
dye,
but
also
may
lead
higher
running
photo
density.
highlights
effectiveness
for
developing
high-performance
DSSCS
based
on
porphyrin.
