Vanadium
dioxide
has
become
a
research
focus
in
passive
radiative
cooling
regulating
thermochromic
(RCRT)
smart
windows
for
building
energy
consumption
due
to
the
optical
tunability
during
phase
transition
near
room
temperature.
However,
regulatory
performance
is
degraded
multi
wavelength
absorption
induced
by
Fabry–Pérotcavity
structure,
which
undoubtedly
limits
their
commercial
application.
Herein,
an
RCRT
with
high
luminous
transmittance
(29.6%)
and
low
solar
(0.35)
manufactured
via
mass-producible
spin
coating
method.
It
simultaneously
presents
emittance
(over
69.6%)
saving
ability
(>8.36%).
Also,
experimental
results
were
validated
using
finite
difference
time
domain
The
coupling
resonances
phenomenon
(surface
plasmon
intrinsic
absorption)
was
found
play
major
role
emissivity
modulation.
This
windows,
offering
superior
properties
new
modulation
principles,
will
open
realms
of
possibilities
consumption.
