Science,
Journal Year:
2023,
Volume and Issue:
382(6676), P. 1291 - 1296
Published: Dec. 14, 2023
The
human
body
must
stay
within
a
certain
temperature
range
for
comfort
and
safety.
However,
challenges
thermoregulatory
clothing
exist
harsh
application
scenarios,
such
as
full
day/night
cycles,
frigid
polar
regions,
space
travel.
We
developed
flexible
sustainable
personal
system
by
integrating
organic
photovoltaic
(OPV)
module
to
directly
acquire
energy
from
sunlight
bidirectional
electrocaloric
(EC)
devices.
OPV-EC
(OETC)
can
extend
the
thermal
zone
22°-28°C
12.5°-37.6°C
with
fast
thermoregulation
rate.
low
consumption
high
efficiency
of
EC
device
allows
24
hours
controllable
dual-mode
12
input.
This
self-powered
wearable
platform
has
simple
structure,
compact
design,
efficiency,
strong
self-adaptability
sole
source.
Chemical Society Reviews,
Journal Year:
2024,
Volume and Issue:
53(18), P. 9254 - 9305
Published: Jan. 1, 2024
With
the
increasing
demand
for
energy
and
climate
challenges
caused
by
consumption
of
traditional
fuels,
there
is
an
urgent
need
to
accelerate
adoption
green
sustainable
conversion
storage
technologies.
The
integration
flexible
thermoelectrics
with
other
various
technologies
plays
a
crucial
role,
enabling
multiple
forms
such
as
temperature
differentials,
solar
energy,
mechanical
force,
humidity
into
electricity.
development
these
lays
foundation
power
solutions
promotes
research
progress
in
conversion.
Given
complexity
rapid
this
field,
review
provides
detailed
overview
multifunctional
integrated
based
on
thermoelectric
focus
improving
material
performance,
optimizing
design
device
structures,
achieving
flexibility
expand
their
application
scenarios,
particularly
multi-functionalization
wearable
Additionally,
we
discuss
current
bottlenecks
future
directions
facilitate
continuous
advancement
field.
ACS Omega,
Journal Year:
2024,
Volume and Issue:
9(6), P. 6403 - 6422
Published: Feb. 2, 2024
Nonfullerene-based
organic
solar
cells
can
be
utilized
as
favorable
photovoltaic
and
optoelectronic
devices
due
to
their
enhanced
life
span
efficiency.
In
this
research,
seven
new
molecules
were
designed
improve
the
working
efficiency
of
by
utilizing
a
terminal
acceptor
modification
approach.
The
perceived
A2–D–A1–D–A2
configuration-based
possess
lower
band
gap
ranging
from
1.95
2.21
eV
compared
pre-existing
reference
molecule
(RW),
which
has
2.23
eV.
modified
also
exhibit
higher
λmax
values
672
768
nm
in
gaseous
715–839
solvent
phases,
respectively,
(RW)
molecule,
at
673
719
gas
chloroform
medium,
respectively.
ground
state
geometries,
molecular
planarity
parameter,
deviation
plane
analyzed
study
all
molecules.
natural
transition
orbitals,
density
state,
electrostatic
potential,
noncovalent
interactions,
frontier
matrix
analysis
studied
executed
validate
properties
these
Improved
charge
mobilities
dipole
moments
observed,
newly
possessed
internal
reorganization
energies.
open
circuit
voltage
(Voc)
W4,
W5,
W6,
W7
among
was
improved
molecule.
These
results
elaborate
on
superiority
novel-designed
over
potential
blocks
for
better
cell
applications.
Materials Today Energy,
Journal Year:
2023,
Volume and Issue:
32, P. 101257 - 101257
Published: Jan. 21, 2023
Buildings
consume
almost
one-third
of
the
total
global
energy
and
emit
nearly
15%
direct
CO2
generated
on
planet.
However,
intelligent
buildings
taking
advantage
modern
efficient
technologies
have
attracted
large
interest
in
recent
years.
In
this
regard,
application
various
harvesters
to
convert
different
forms
present
inside
around
into
electrical
has
been
widely
investigated.
These
include
photovoltaic,
piezoelectric,
pyroelectric,
electromagnetic,
thermoelectric
devices.
Among
them,
generators
(TEGs),
capable
producing
electricity
directly
from
a
temperature
gradient,
demonstrated
great
potential.
This
review
paper
categorizes
explains
plausible
applications
materials
devices
buildings.
particular,
state-of-the-art
cement-
concrete-based
composites
potential
TEGs
windows,
walls,
pipes,
chimneys
are
discussed.
Moreover,
current
challenges
that
face
practical
approaches
tackle
them
examined.
Materials Science for Energy Technologies,
Journal Year:
2023,
Volume and Issue:
7, P. 61 - 72
Published: July 18, 2023
Using
first-principles
calculations,
in
this
piece
of
work,
authors
have
investigated
the
physical
properties
Ra2LaNbO6
double
perovskite
by
employing
linearized
augmented
plane
wave
(LAPW)
method.
Structural
and
electronic
are
determined
using
LDA,
GGA
(WC
PBE),
LDA
+
mBJ,
mBJ
potentials.
We
found
that
is
an
indirect
band
gap
(Eg
=
2.4
eV)
semiconductor.
Its
elastic
thermodynamic
parameters
demonstrate
its
stability.
optical
study
indicates
material
opens
door
to
applications
devices
such
as
photodetectors,
solar
cells,
superlenses,
fibers,
filters,
electromagnetic
shielding
devices,
photovoltaic
etc.
This
very
good
for
practical
implementation
thermoelectric
both
p-
n-type
extends
interest
experimentalists
further
investigations.
Thus,
thermodynamically
stable
identified
a
potential
candidate
devices.
