Advanced Electronic Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Dec. 15, 2024
Abstract
Gallic
acid
(GA)
is
a
natural
phenolic
compound
with
significant
biological
properties,
including
anti‐inflammatory,
antioxidant,
and
anticancer
effects.
Detecting
GA
in
matrices
like
food
beverages
essential
but
challenging
due
to
the
multitude
of
GA‐like
molecules
similar
proprieties
functional
moieties.
In
this
study,
ultra‐small
(≈4
nm)
pyramidal
platinum
nanoparticles
(PtNPs)
high
fraction
{111}
surface
domains
are
used
design
new
electrochemical
sensor
for
detection
tea,
which
most
popular
manufactured
drink
consumed
world.
PtNPs
deposited
on
glassy
carbon
electrode
(GCE)
using
simple
drop
deposition
method,
requiring
minimal
amount
and,
hence,
metal
precursor.
With
just
2.7
µg
PtNPs,
demonstrated
linear
response
concentration
range
from
50
600
µ
m
,
limit
16
m,
quantification
49
.
The
selectivity
tested
against
other
antioxidant
compounds
commonly
present
consistently
showing
higher
GA.
Furthermore,
capability
detect
real
green
black
tea
samples
further
validated
by
high‐performance
liquid
chromatography
(HPLC)
analysis,
correlation
between
chromatographic
data
response.
Chemical Communications,
Journal Year:
2024,
Volume and Issue:
60(64), P. 8360 - 8374
Published: Jan. 1, 2024
Due
to
their
exceptional
chemical
stability
in
water
and
high
structural
tunability,
zirconium(IV)-based
MOFs
(Zr-MOFs)
have
been
considered
attractive
materials
the
broad
fields
of
electrocatalysis.
Numerous
studies
published
since
2015
attempted
utilise
Zr-MOFs
electrocatalysis,
with
porous
framework
serving
as
either
active
electrocatalyst
or
scaffold
surface
coating
further
enhance
performance
actual
electrocatalyst.
Herein,
roles
electrocatalytic
processes
are
discussed,
some
selected
examples
reporting
applications
various
reactions,
including
several
from
our
group,
overviewed.
Challenges,
limitations
opportunities
using
electrocatalysis
future
discussed.
Energy Technology,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 6, 2025
Smart
electronic
devices
require
an
energy
harvester
that
is
a
durable,
portable,
miniature,
and
long‐lasting
power
source.
As
harvester,
triboelectric
nanogenerator
(TENG)
promising
state‐of‐the‐art
technology
can
provide
on
demand.
The
choice
of
triboactive
materials
greatly
influences
TENG
performance,
recently,
great
attention
has
been
given
to
composite
materials.
Herein,
it
shown
the
MOF‐808@MXene/PVDF
fabricated
from
MOF‐808
with
MXene
produces
synergistic
effect,
thus
generating
higher
output
than
MOF‐808/PVDF
MXene/PVDF
TENG,
respectively.
optimized
delivers
296.22
V,
30.7
μA,
67.4
mW
m
−2
.
figure‐of‐merit
performance
indicates
thirteen
times
increase
in
improvement
doubles
for
Moreover,
all
TENGs
are
found
be
stable
up
5000
repeated
cycles
also
tested
toward
endurance
10
weeks.
results
depict
among
shows
only
34%
reduction
voltage
after
weeks
and,
therefore,
used
as
source
micro‐based
circuit
device
applications.
