The
multifunctionality
of
abundant
wood
materials
with
reproducible
properties
is
increasing
interest.
In
this
work,
a
wood-based
multifunctional
composite
displaying
piezoelectric
and
moist-electric
performance
has
been
proposed.
Wood
was
firstly
delignified
oxidized,
then
impregnated
MXene.
addition,
zinc
oxide
(ZnO)
added
to
the
via
hydrothermal
synthesis.
It
can
be
found
that
negative
charge
on
surface
MXene-impregnated
attract
Zn2+
by
electrostatic
adsorption,
creating
large
number
nucleation
sites
for
growth
ZnO
accelerating
its
rate.
Also,
enlarging
loading
amount
improve
fluidization
current.
obtained
OWPM/MXene/ZnO
moist-electrical
generator
(MEG)
generate
voltage
0.75
V
at
85%RH,
also
collect
energy
from
hot
steam
(about
0.4
V).
Simultaneously,
heterojunction
formed
between
MXene
further
enhanced
properties.
Finally,
(PEG)
anisotropic
sensing
prepared
impregnation
polydimethylsiloxane
(PDMS).
Particularly,
it
could
up
4.71
when
force
45
N
applied
perpendicular
fiber
direction.
assembled
PEGs
four
multiplied
PEG
light
LED.
Overall,
application
demonstrations
MEGs
highlighted
their
potential
mechanical
harvesting
conversion,
as
well
hydroelectric
sensors.
