Regulating Contact Electrification and Charge Retention Capability With Metal–Organic Frameworks in Triboelectric Nanogenerator for Self‐Powered Sewage Treatment
Advanced Functional Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 28, 2025
Abstract
The
harvesting
of
ocean
wind
energy
for
triboelectric
nanogenerators
(TENGs)
is
greatly
influenced
by
the
contact
electrification
(CE)
capability,
charge
retention
characteristics,
and
harsh
marine
environment.
In
this
work,
four
highly
water‐stable
metal–organic
frameworks,
including
MIL‐101(Cr),
UiO‐66,
ZIF‐8,
MOF‐303,
are
doped
into
PVA/Ta
layers
to
modulate
their
CE
retention,
resistance
environments.
capability
compared
at
multiple
scales
electronic,
atomic,
molecular
levels
using
DFT
calculation.
combined
effect
pyrazole
ring
─COO─
group
contributes
highest
tribopositivity
PVA/Ta/MOF‐303.
Besides,
reduced
HOMO–LUMO
gap
increased
HOMO
level
make
it
easier
electrons
in
PVA/Ta/MOF‐303
transfer.
Meanwhile,
MOF‐303
with
high
capture
located
deep
can
serve
as
traps
reduce
dissipation
rate.
Hence,
density
PVA/Ta/MOF‐303‐based
TENG
(PTM‐TENG)
90%
RH
reaches
361.43
µC
m
−2
.
Hydrogen
bonding,
coordination
effects,
electrostatic
interactions
endow
excellent
mechanical,
anti‐swelling,
anti‐aging
properties.
Finally,
PTM‐TENG
assembled
a
self‐powered
sewage
treatment
system,
generation
·OH
·O
2
−
enables
realize
water
sterilization
rate
(99.99%)
efficient
organic
pollutant
degradation
(>95%)
within
20
min.
Язык: Английский
Triarylamine-based polyimide COFs for achieving high performance ambipolar multi-color electrochromic energy-storage films
Chemical Engineering Journal,
Год журнала:
2024,
Номер
497, С. 155018 - 155018
Опубликована: Авг. 23, 2024
Язык: Английский
Development of New Amine-Functionalized Metal-Organic Framework for Enhanced Triboelectrification Using First-Principle Theory of Nanogenerator
Nano Energy,
Год журнала:
2024,
Номер
unknown, С. 110344 - 110344
Опубликована: Окт. 1, 2024
Язык: Английский
Cobalt-Cluster-Triggered Exfoliation for Ultrathin Metal–Covalent Organic Framework Nanosheets
ACS Nano,
Год журнала:
2025,
Номер
unknown
Опубликована: Фев. 26, 2025
Metal–covalent
organic
frameworks
(MCOFs),
an
emerging
type
of
porous
material,
have
the
combined
advantages
metal–organic
(MOFs)
and
covalent
(COFs).
Of
particular
interest
are
MCOF
nanosheets
with
two-dimensional
morphology,
whose
fully
exposed
active
sites
quasi-molecular
size
expected
to
exhibit
maximum
functionality
for
a
wide
range
applications.
However,
due
their
strong
interlayer
coupling
potential
structural
damage
during
synthesis
process,
preparation
has
rarely
been
reported.
Here,
we
demonstrate
cobalt-cluster-triggered
chemical
exfoliation
strategy
directly
prepare
ultrathin
from
bulk
COFs.
By
reaction
cobalt
carbonyl
alkynyl-based
COFs
at
room
temperature,
constructed
under
mild
conditions.
The
mechanism
direct
growth
includes
formation
stable
clusters
within
COF
skeletons,
which
alters
alkynyl
bonds
related
dihedral
angle
disrupts
interactions.
Consequently,
converted
into
nanosheets,
yield
40%,
average
lateral
0.8
μm,
thickness
1.6
nm.
This
lays
foundation
application
by
treating
carbonyl.
Язык: Английский
Precise Manipulation on Effects of Framework Microenvironment in Covalent Triazine Frameworks for Efficient Photocatalytic C3–H Thiocyanation of Indole
Опубликована: Янв. 1, 2025
Язык: Английский
Converging the Complementary Traits of Metal–Organic Frameworks and Covalent Organic Frameworks
ACS Applied Materials & Interfaces,
Год журнала:
2025,
Номер
unknown
Опубликована: Март 27, 2025
Since
their
discovery,
metal–organic
frameworks
(MOFs)
and
covalent
organic
(COFs)
featuring
permanent
nanopores
have
transformed
the
landscape
of
porous
materials,
excelling
as
platforms
for
catalysis,
gas
separation,
sensing
thanks
to
exceptional
surface
areas,
adjustable
pore
sizes,
modular
functionality.
However,
MOFs,
while
versatile,
face
stability
challenges
due
coordination
bonds,
whereas
COFs,
although
robust,
lack
metal
sites,
limiting
catalytic
activity,
redox
functionality,
other
metal-specific
applications.
To
bridge
these
gaps,
innovative
such
MCOFs,
which
incorporate
ions
into
COF
lattices;
cluster
frameworks,
formed
by
assembling
clusters
networks;
MOF–COF
composites,
integrate
strengths
both
systems,
emerged.
This
review
explores
synthesis
design
principles
advanced
showcasing
applications
unique
advantages
conferred
composite
nature.
It
provides
insights
future
directions
potential
address
key
in
materials
science
beyond.
Язык: Английский
Triarylamine-Based Polyimide Cofs for Achieving High Performance Ambipolar Multi-Color Electrochromic Energy-Storage Films
Опубликована: Янв. 1, 2024
Язык: Английский
Construction of One-Dimensional Covalent–Organic Framework Coordinated with Main Group Metals for Selective Electrochemical Synthesis of H2O2
ACS Applied Materials & Interfaces,
Год журнала:
2024,
Номер
16(42), С. 56459 - 56468
Опубликована: Окт. 8, 2024
Covalent–organic
frameworks
(COFs)
are
promising
electrocatalysts
for
the
selective
synthesis
of
H2O2
through
two-electron
oxygen
reduction
reaction
(2e–
ORR).
However,
design
and
efficient
stable
COF-based
is
still
challenging.
In
this
work,
a
predesigned
1,10-phenanthroline-based
one-dimensional
COF
(PYTA-PTDE-COF)
was
constructed
to
anchor
main
group
metal
(In,
Sn,
Sb)
as
toward
2e–
ORR.
The
catalysts
featured
with
fully
exposed
metalated
side
chains.
Structural
characterization
revealed
that
PYTA-PTDE-M's
(M
=
In,
all
quite
similar,
except
coordinated
ions
maintenance
good
crystallinity.
They
exhibited
satisfying
activity
selectivity
ORR
under
alkaline
conditions.
Among
them,
PYTA-PTDE-Sb
best
performance
(Eonset
0.765
V,
96%,
yield
rate
209.2
mmol
gcat–1
h–1).
Moreover,
it
also
delivered
superior
stability
almost
no
attenuation
current
density
during
long-time
test.
Theoretical
calculations
Sb
site
in
COFs
has
lowest
adsorption
strength
*OOH,
which
could
be
reason
its
selectivity.
assembled
zinc–air
battery
realizes
not
only
supply
clean
energy
but
production
green
chemicals,
showing
highly
practical
applications.
This
work
offers
an
example
designing
metal-coordinated
1D
reveals
fundamental
structure–activity
relationship
Язык: Английский