Nanomaterials,
Journal Year:
2024,
Volume and Issue:
14(24), P. 2016 - 2016
Published: Dec. 15, 2024
Energy
generation
and
storage
are
critical
challenges
for
developing
economies
due
to
rising
populations
limited
access
clean
energy
resources.
Fossil
fuels,
commonly
used
production,
costly
contribute
environmental
pollution
through
greenhouse
gas
emissions.
Quantum
dot-sensitized
solar
cells
(QDSSCs)
offer
a
promising
alternative
their
stability,
low
cost,
high-power
conversion
efficiency
(PCE)
compared
other
third-generation
cells.
Kesterite
materials,
known
excellent
optoelectronic
properties
chemical
have
gained
attention
potential
as
hole
transport
layer
(HTL)
materials
in
In
this
study,
the
SCAPS-1D
numerical
simulator
was
analyze
cell
with
configuration
FTO/TiO2/MoS2/HTL/Ag.
The
electron
(ETL)
titanium
dioxide
(TiO2),
while
Cu2FeSnS4
(CFTS),
Cu2ZnSnS4
(CZTSe),
Cu2NiSnS4
(CNTS),
Cu2ZnSnSe4
(CZTSSe)
kesterite
were
evaluated
HTLs.
MoS2
quantum
dot
served
absorber,
FTO
anode
silver
back
metal
contact.
CFTS
material
outperformed
others,
yielding
PCE
of
25.86%,
fill
factor
(FF)
38.79%,
short-circuit
current
density
(JSC)
34.52
mA
cm−2,
an
open-circuit
voltage
(VOC)
1.93
V.
This
study
contributes
advancement
high-performance
QDSSCs.
Chemistry - A European Journal,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 20, 2025
In
applications
ranging
from
photon-energy
conversion
into
electrical
or
chemical
forms
(such
as
photovoltaics
photocatalysis)
to
numerous
sensor
technologies
based
on
organic
solids,
the
role
of
supramolecular
structures
and
chromophore
interactions
is
crucial.
This
review
comprehensively
examines
critical
intermolecular
between
dyes
their
impact
optical
properties.
We
explore
range
changes
in
absorption
emission
properties
observed
molecular
aggregates
compared
single
molecules.
Each
effect
dissected
reveal
its
physicochemical
foundations,
relevance
different
application
domains,
documented
examples
literature
that
illustrate
potential
modulation
by
structural
adjustments.
work
aims
serve
a
concise
guide
for
exploiting
phenomena
innovation
novel
optoelectronic
materials,
with
emphasis
strategic
exploitation.
Coatings,
Journal Year:
2025,
Volume and Issue:
15(3), P. 255 - 255
Published: Feb. 20, 2025
Recently,
the
numerical
simulation
of
solar
cells
has
attracted
tantamount
scientific
attention
in
photovoltaic
community
because
it
saves
on
research
time
and
resources
before
actual
fabrication
devices
laboratories.
Despite
significant
advancements
quantum
dot-sensitized
(QDSSCs),
power
conversion
efficiency
(PCE)
is
still
low
when
compared
to
other
such
as
perovskite.
This
gap
poses
a
substantial
challenge
harnessing
full
potential
QDSSCs
for
widespread
adoption
renewable
energy
applications.
Enhancing
imperative
their
commercial
viability
deployment.
In
this
work,
SCAPS-1D
was
used
QDSSCs.
The
cell
with
general
configuration
FTO/TiO2/PbS/HTL/Au
investigated.
device,
PbS
dots
were
inserted
absorber
layer,
TiO2
electron
transport
layer
(ETL),
gold
back
contact,
following
inorganic
materials,
i.e.,
copper
(I)
iodide
(CuI),
oxide
(Cu2O),
cadmium
zinc
telluride
selenide
(CZTSe),
iron
tin
sulfide
(CFTS),
(CZTSSe)
tested
HTL
FTO
acted
conductive
substrate.
best
material
exhibited
PCE
22.61%,
fill
factor
(FF)
84.67%,
an
open
circuit
voltage
(Voc)
0.753
V,
current
density
(Jsc)
35.48
mA
cm−2.
study
contributes
field
by
employing
simulations
optimize
QDSSCs,
exploring
novel
materials
these
identifying
CZTSSe
promising
low-cost
that
significantly
enhances
both
performance
Advanced Science,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 26, 2025
Photocatalysis
based
on
chromophores
such
as
porphyrin,
coumarin,
anthraquinone,
and
pyrene
is
a
promising
technology
to
achieve
green
synthesis
of
various
high-value
chemicals,
but
the
robust
non-covalent
immobilization
onto
light-inert
scaffolds
for
industrialization-oriented
heterogeneous
photocatalysis
remains
challenging.
In
this
work,
simple
universal
strategy
presented
preparing
highly
efficient
recyclable
photocatalysts
from
chromophores,
which
achieved
via
biotinylation
chromophore
molecules
subsequent
supramolecular
binding
chromophore-biotin
dyads
streptavidin-decorated
magnetic
beads.
As
an
example,
commercial
beads
modified
by
5,10,15,20-tetrakis(4-aminophenyl)
porphyrin
not
only
possessed
remarkable
photocatalytic
activities
oxidative
coupling
benzylamine
derivatives
oxidation
thioanisole
with
highest
product
yields
beyond
95%
turnover
numbers
approaching
10000,
driven
photogenerated
reactive
oxygen
species
also
demonstrated
impressive
chemical
stability
recyclability
separation
during
10
successive
test
cycles.
The
findings
revealed
in
work
pave
way
advancing
valuable
organic
compounds
pharmaceutical
industry,
agricultural
sector,
etc.,
rationally
designed
systems.
Inorganic Chemistry,
Journal Year:
2024,
Volume and Issue:
63(20), P. 9164 - 9174
Published: May 8, 2024
The
synthesis
of
a
new
bis-BF2
tetrafluorobenzo-[α]-fused
BOPYPY
dye
from
4,5,6,7-tetrafluoroisoindole
and
2-hydrazinopyrazine
is
reported.
regioselectivity
nucleophilic
substitution
reactions
at
the
periphery
tetrafluorinated
its
α-bromo
derivative
were
investigated
using
N-,
O-,
S-,
C-based
nucleophiles.
Among
aromatic
fluorine
atoms,
F2
atom
consistently
regioselectively
substituted,
except
when
α-position
contains
thiophenol
group;
in
this
case,
F4
substituted
instead
due
to
stabilizing
π–π-stacking
between
two
groups.
also
reacts
under
Stille
cross-coupling
reaction
conditions
produce
corresponding
α-substituted
product.
spectroscopic
properties
these
fluorinated
BOPYPYs
compared
with
nonfluorinated
analogs.
Physical Chemistry Chemical Physics,
Journal Year:
2024,
Volume and Issue:
26(21), P. 15125 - 15129
Published: Jan. 1, 2024
The
strong
two-photon
induced
nonlinear
absorption
and
self-focusing
type
positive
refraction
are
pronounced
by
the
structural
engineering
in
β-functionalized
cobalt
corroles.
