Small,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 25, 2025
Abstract
Defects
are
a
common
occurrence
in
various
materials,
making
their
repair
topic
of
widespread
attention.
However,
the
atomic‐scale
lattice
defects
porous
crystals
presents
substantial
challenge.
Herein,
linker‐defective
framework
(
NTU‐70D
)
is
presented
through
an
orienting
strategy
to
obtain
perfect
NTU‐70P
).
Caused
by
steric
hindrance
from
adjacent
carboxylates
isonicotinic
acid
(INA),
linker
defect
repaired
formic
acid‐assistant
(pushed
opposite
direction
hindrance)
installation
additional
INAs
defined
direction,
unprecedented
example
PCP
chemistry.
The
resulting
exhibits
regular
and
smooth
nano‐channels
that
adorned
with
more
O
INA
sites,
leading
significant
increase
C
2
H
6
uptake
(51.0
90.2
cm
3
g
−1
/C
4
selectivity
(1.6
2.5),
as
evidenced
modeling
calculations
situ
IR
analysis.
Furthermore,
it
demonstrates
notable
ability
produce
poly‐grade
(with
record
value
46.4
mL
‐containing
mixtures.
This
work
first
for
boosted
inverse
separation,
insights
gained
into
offer
avenues
development
rich
defective
systems
practical
applications.
