La-based
materials
have
garnered
considerable
attention
as
potential
adsorbents
for
phosphate
removal
because
they
capture
with
high
affinity,
producing
an
ultralow
phosphorous-concentration
output.
Herein,
metal–organic
frameworks
(La–MOFs,
La-1,3,5-benzentricarboxylate)
tunable
structures
were
fabricated
by
regulating
the
coordination
solvent
environment,
which
largely
determines
both
pore
structure
and
chemical
components
of
their
corresponding
La2O2CO3
derivatives
adsorption
performance.
A
porous
derivative
(W–D
T500)
derived
from
water/N,N-dimethylformamide
(DMF)
guided
La–MOF
showed
abundant
mesopores
a
surface
area,
pore-opening
degree
under
high-temperature
pyrolysis
is
higher
in
W–D
T500
than
obtained
water/ethanol
solvent–guided
La–MOF.
also
had
carbonate
content
crystal
owing
to
efficiency
carbon
conversion
carbonate-oxides
T500.
Consequently,
exhibited
superior
capacity,
selectivity,
excellent
recycling
Phosphate
was
attached
via
ligand-exchange
mechanism
between
CO32−/–OH.
This
study
provides
guidance
strategy
construct
functional
La–MOFs
removal.
