Small Structures,
Journal Year:
2024,
Volume and Issue:
unknown
Published: June 10, 2024
This
review
explores
the
state‐of‐the‐art
of
thermoelectric
materials,
covering
different
crystalline
structures
and
material
families
(e.g.,
chalcogenides,
Zintl
phases,
skutterudites,
clathrates,
oxides,
half‐Heusler,
organic–inorganic
composites,
metal–organic
frameworks,
silicides).
It
examines
their
corresponding
properties
while
considering
synthesis
methods
employed,
paying
significant
attention
to
those
that
particularly
follow
sustainable
routes.
Additionally,
work
addresses
current
challenges
in
field,
such
as
enhancing
stability
at
high
temperatures
reducing
manufacturing
costs.
The
understanding
gained
this
field
opens
avenues
for
designing
more
efficient
devices
convert
waste
heat
into
electrical
energy,
thereby
advancing
cleaner
technologies.
Interdisciplinary materials,
Journal Year:
2024,
Volume and Issue:
3(1), P. 5 - 28
Published: Jan. 1, 2024
Abstract
The
diamondoid
compounds
are
a
large
family
of
important
semiconductors,
which
possess
various
unique
transport
properties
and
had
been
widely
investigated
in
the
fields
photoelectricity
nonlinear
optics.
For
significantly
long
period
time,
materials
were
not
given
much
attention
field
thermoelectricity.
However,
this
changed
when
series
showed
thermoelectric
figure
merit
(
ZT
)
greater
than
1.0.
This
discovery
sparked
considerable
interest
further
exploring
materials.
review
aims
to
provide
comprehensive
view
our
current
understanding
thermal
electronic
stimulate
their
development
applications.
We
present
collection
recent
discoveries
concerning
lattice
dynamics
structure
underlying
physics
responsible
for
electrical
phonon
behaviors.
Moreover,
we
insights
into
advancements
made
thermoelectricity
corresponding
strategies
employed
optimize
performance.
Lastly,
emphasize
challenges
that
lie
ahead
outline
potential
avenues
future
research
domain
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.
Nano Energy,
Journal Year:
2024,
Volume and Issue:
128, P. 109932 - 109932
Published: June 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.
Nano Futures,
Journal Year:
2024,
Volume and Issue:
8(3), P. 032001 - 032001
Published: March 22, 2024
Abstract
The
dissemination
of
sensors
is
key
to
realizing
a
sustainable,
‘intelligent’
world,
where
everyday
objects
and
environments
are
equipped
with
sensing
capabilities
advance
the
sustainability
quality
our
lives—e.g.
via
smart
homes,
cities,
healthcare,
logistics,
Industry
4.0,
precision
agriculture.
realization
full
potential
these
applications
critically
depends
on
availability
easy-to-make,
low-cost
sensor
technologies.
Sensors
based
printable
electronic
materials
offer
ideal
platform:
they
can
be
fabricated
through
simple
methods
(e.g.
printing
coating)
compatible
high-throughput
roll-to-roll
processing.
Moreover,
often
allow
fabrication
flexible/stretchable/biodegradable
substrates,
thereby
enabling
deployment
in
unconventional
settings.
Fulfilling
promise
for
will
require
device
innovations
enhance
their
ability
transduce
external
stimuli—light,
ionizing
radiation,
pressure,
strain,
force,
temperature,
gas,
vapours,
humidity,
other
chemical
biological
analytes.
This
Roadmap
brings
together
viewpoints
experts
various
materials—and
devices
thereof—to
provide
insights
into
status
outlook
field.
Alongside
recent
innovations,
roadmap
discusses
outstanding
challenges
pertaining
each
technology.
Finally,
points
promising
directions
overcome
thus
enable
ubiquitous
world.
ACS Energy Letters,
Journal Year:
2024,
Volume and Issue:
9(4), P. 1701 - 1709
Published: March 25, 2024
Extracting
energy
from
ocean
waves
for
electrolysis,
while
highly
desirable,
poses
significant
challenges,
especially
in
achieving
high
current
generation
sustainable
water
splitting.
This
work
introduces
an
innovative
high-current
wave
harvesting
system,
employing
a
self-floating
magnetoelastic
generator
(MEG)
ball
network
designed
autonomous
seawater
electrolysis
and
on-site
hydrogen
(H2)
production.
Leveraging
the
effect,
MEG
is
naturally
waterproof
can
generate
density
of
0.24
mA
cm–2,
paired
with
low
internal
resistance
9
Ω
at
frequency
2
Hz.
Its
spherical
design
ensures
exceptional
mechanical
durability,
maintaining
consistent
electrical
output
even
under
extremely
humid
harsh
conditions.
In
practical
applications,
this
system
continuously
produce
H2
rate
0.76
×
10–3
mL
min–1.
These
results
underscore
its
potential
as
viable
technology
large-scale
Sensors,
Journal Year:
2024,
Volume and Issue:
24(14), P. 4471 - 4471
Published: July 10, 2024
Compact,
energy-efficient,
and
autonomous
wireless
sensor
nodes
offer
incredible
versatility
for
various
applications
across
different
environments.
Although
these
devices
transmit
receive
real-time
data,
efficient
energy
storage
(ES)
is
crucial
their
operation,
especially
in
remote
or
hard-to-reach
locations.
Rechargeable
batteries
are
commonly
used,
although
they
often
have
limited
capacity.
To
address
this,
ultra-low-power
design
techniques
(ULPDT)
can
be
implemented
to
reduce
consumption
prolong
battery
life.
The
Energy
Harvesting
Technique
(EHT)
enables
perpetual
operation
an
eco-friendly
manner,
but
may
not
fully
replace
due
its
intermittent
nature
power
generation.
ensure
uninterrupted
supply,
such
as
ES
management
unit
(PMU)
needed.
This
review
focuses
on
the
importance
of
minimizing
maximizing
efficiency
improve
autonomy
longevity
nodes.
It
examines
current
advancements,
challenges,
future
direction
ULPDT,
ES,
PMU,
communication
protocols,
EHT
develop
implement
robust
technology
solutions
practical
long-lasting
use
real-world
scenarios.
Advanced Theory and Simulations,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 17, 2025
Abstract
The
search
for
high‐performance
thermoelectric
(TE)
materials
requires
accurate
property
predictions
and
the
development
of
analytical
models
to
mimic
temperature
dependent
charge
heat
transport
in
semiconductors.
This
is
a
non‐trivial
task
as
most
have
complex
electronic
band
structures
with
multiple
bands
contributing
transport.
In
this
work,
it
shown
that
using
combination
experiments
recently
developed
multi‐band
modelling
technique,
possible
accurately
predict
doping
properties
TE
materials.
steps
involved
are
experimental
data
collection,
model
parameter
generation,
interpolation.
methodology
elaborated
example
Mg
2
Si
0.3
Sn
0.7
which
high‐performance,
low‐cost
material.
3‐D
maps
power
factor
figure
merit
()
generated
function
concentration.
Model
validation
carried
out
randomly
prepared
composition
yields
maximum
deviations
±10%
plots.
results
highlight
potential
tool
rapid
screening
compositions.
Materials Futures,
Journal Year:
2023,
Volume and Issue:
3(1), P. 012103 - 012103
Published: Nov. 14, 2023
Abstract
Owing
to
the
capability
of
conversion
between
thermal
energy
and
electrical
their
advantages
light
weight,
compactness,
noise-free
operation,
precision
reliability,
wearable
thermoelectrics
show
great
potential
for
diverse
applications.
Among
them,
weavable
thermoelectrics,
a
subclass
with
inherent
flexibility,
wearability,
operability,
find
utility
in
harnessing
waste
heat
from
irregular
sources.
Given
rapid
advancements
this
field,
timely
review
is
essential
consolidate
progress
challenge.
Here,
we
provide
an
overview
state
thermoelectric
materials
devices
smart
textiles,
encompassing
mechanisms,
materials,
fabrications,
device
structures,
applications
recent
advancements,
challenges,
prospects.
This
can
serve
as
valuable
reference
researchers
field
flexible
Solar RRL,
Journal Year:
2023,
Volume and Issue:
7(20)
Published: Aug. 1, 2023
Flexible
perovskite
solar
cells
are
lightweight,
bendable,
and
applicable
to
curved
surfaces.
Polyethylene
terephthalate
(PET)
has
become
the
substrate
of
choice
compared
other
plastic
substrates
like
polyethylene
naphthalate.
PET
is
not
only
stable
but
also
much
cheaper
manufacture,
an
important
factor
for
photovoltaics
(PV).
Herein,
highly
efficient
devices
on
demonstrated
using
a
dual
low‐temperature
(≤100
°C)
approach,
first
by
anion
mixing
(replacing
I
with
Br)
lead‐containing
composition,
increasing
bandgap
(42%
improvement),
then
interfacial
engineering
tetrabutylammonium
bromide
(TBAB)
(a
further
26%
reaching
efficiencies
28.9%
at
200
lx
record
32.5%
1000
lx.
The
TBA
+
cation
intercalates
into
structure,
substituting
formamidinium
cations
perovskite/TBAB
interface,
inducing
formation
large‐sized,
lower
dimensional
structures
over
3D
matrix.
resulting
PV
cell
1.4
times
higher
carrier
lifetime,
one
order
magnitude
leakage
currents,
3
defect
densities,
suppressing
recombination.
Importantly,
stability
(ISOS‐D1
protocol)
improves
more
than
double
treatment.
Highly
films
enable
seamless
integration
wearable,
portable,
smart
building,
Internet
Things
electronic
devices,
expanding
reach
indoor
applications.
