International Journal of Science and Research Archive,
Journal Year:
2024,
Volume and Issue:
12(1), P. 2081 - 2091
Published: May 30, 2024
The
urgency
of
environmental
sustainability
is
undeniable;
global
communities
face
intensifying
challenges
due
to
anthropogenic
degradation.
Addressing
resource
depletion
and
pollution
needs
urgent
effective
solutions.
This
study
investigates
practices
in
Compostela,
Cebu.
It
explores
how
barangay
official
representatives
perceive
identify
potential
areas
for
improvement.
Analytic
Hierarchy
Process
(AHP)
was
used
analyze
the
data
prioritize
factors
influencing
sustainability.
findings
highlight
importance
energy
efficiency
conservation
as
primary
focus
achieving
Compostela.
Upgrading
energy-efficient
equipment
emerges
most
impactful
alternative
within
this
category.
Promoting
stewardship
through
waste
reduction
another
crucial
factor.
While
renewable
adaptation
sustainable
transportation
are
also
important
considerations,
they
seen
having
a
slightly
lower
overall
impact.
research
provides
valuable
insights
officials
policymakers
Cebu,
develop
strategies.
By
prioritizing
efficiency,
stewardship,
adaptation,
community
can
move
towards
more
future.
Energies,
Journal Year:
2025,
Volume and Issue:
18(8), P. 2044 - 2044
Published: April 16, 2025
The
exploitation
of
bifacial
solar
cells
in
photovoltaics
aims
to
provide
cost-effective
solutions
maximize
power
collection
on
specific
surfaces.
A
prerequisite
for
this
is
the
effective
backscattered
diffuse
light
from
albedo,
which
self-shading
an
obstacle.
We
discuss
benefits
bifaciality
asymmetric
low-concentrating
and
spectral-splitting
photovoltaic
optics
system
that
features
a
wedged
right-prism
geometry
address
self-shading.
performance
conceptual
design
analyzed,
using
commercial
ray-tracing
software,
four
different
latitudes
installation,
by
assuming
standard
AM1.5G
spectrum
as
input.
daily
Relative
Optical
Power
Increase
(ROPI)
evaluated
with
respect
flat
configurations,
reaching
ROPI
=
293%
at
latitude
25°
north
winter
solstice.
photocurrent
total
Conversion
Efficiency
(PCE)
four-terminal
(4T)
configuration
are
estimated,
operation
Si
HJT
cell
single-junction
GaAs
cell.
global
increase
PCE
up
23%
obtained
best-performing
trackless
configuration.
From
perspective,
use
high-performance,
high-bandgap
4T
configurations
might
further
leverage
advantages
proposed
here.
IEEE Journal of Photovoltaics,
Journal Year:
2024,
Volume and Issue:
14(3), P. 442 - 449
Published: March 11, 2024
This
article
propose
the
basic
structure
of
laser
power
converters
(LPCs)
on
basis
intermediate-band
solar
cells
(IB-SCs)
assisted
by
quantum
ratchet
(QR)
mechanism.
The
LPCs
convert
efficiently
both
high-power
and
low-cost
light
800−1000
nm
in
wavelength
eye-safe
∼1500
to
electricity.
Furthermore,
operate
as
highly
efficient
SCs.
Thus,
proposed
dual-wavelength
(DW)
fulfill
functions
required
for
used
optical
wireless
transmission
driving
electric
vehicles;
solar-cell
function
charges
secondary
batteries
anywhere
during
daytime.
I
designed
electronic
band
structures
DW-LPCs
calculated
limiting
conversion
efficiencies,
revealing
that
equipped
with
QRs
potentially
yield
high
efficiencies
each
competitive
those
conventional
single-function
devices
dedicated.
However,
new
IB
materials
must
be
developed
realize
efficiency,
because
are
significantly
different
from
previously
reported
IB-SC
materials.
