Abstract
Porous
polymer
show
great
potential
for
CO
2
capture
owing
to
its
high
specific
surface
area,
adjustable
porous
structure
and
chemical
structure.
Herein,
a
novel
adsorption
materials
ALP−M
(M:
Cu
2+
,
Mg
Ni
)
were
prepared
through
coordination
between
azo‐linked
(ALP)
synthesized
by
oxidative
coupling
polymerization
of
tris(4‐aminophenyl)amine
metal
ions.
The
structures
morphology
as‐prepared
demonstrated
FT‐IR,
XRD,
XPS,
BET
SEM,
the
performance
mechanism
also
investigated
static
column
experments,
results
that
ions
can
enhance
desorption
ALPs
adsorption.
showed
highest
capacity
2.67
mmol
g
−1
at
273
K
(1
bar),
which
is
35.5
%
higher
than
ALP.
served
as
Lewis
acid
sites
affinity
adsorbent
.
In
experiments,
saturated
4.99
bar)
adsorption,
excellent
cycling
stability
after
500
cycles,
retention
rate
reach
98
%.
ACS Applied Materials & Interfaces,
Год журнала:
2024,
Номер
16(31), С. 40858 - 40872
Опубликована: Июль 22, 2024
Nitrogen-doped
carbon
materials,
characterized
by
abundant
microporous
and
nitrogen
functionalities,
exhibit
significant
potential
for
dioxide
capture
supercapacitors.
In
this
study,
a
class
of
porous
organic
polymer
(POP)
were
successfully
synthesized
linking
Cr-TPA-4BZ-Br4
tetraethynylpyrene
(Py-T).
The
model
benzoxazine
monomers
Cr-TPA-4BZ
using
the
traditional
three-step
method
[involving
CH═N
formation,
reduction
NaBH4,
Mannich
condensation].
Subsequently,
Sonogashira
coupling
reaction
connected
Py-T
monomers,
forming
Cr-TPA-4BZ-Py-POP.
successful
synthesis
Cr-TPA-4BZ-Py-POP
was
confirmed
through
various
analytical
techniques.
After
verifying
Cr-TPA-4BZ-Py-POP,
carbonization
KOH
activation
procedures
conducted.
These
crucial
steps
led
to
formation
poly(Cr-TPA-4BZ-Py-POP)-800,
material
with
structure
akin
graphite.
practical
applications,
poly(Cr-TPA-4BZ-Py-POP)-800
exhibited
noteworthy
CO2
adsorption
capacity
4.4
mmol/g,
along
specific
capacitance
values
397.2
159.2
F
g–1
at
0.5
A
(measured
in
three-electrode
cell)
1
symmetric
coin
cell),
respectively.
exceptional
dual
capabilities
stem
from
optimal
ratio
heteroatom
doping.
outstanding
performance
holds
promise
addressing
contemporary
energy
environmental
challenges,
making
substantial
contributions
both
sectors.
ACS Applied Polymer Materials,
Год журнала:
2024,
Номер
6(10), С. 5945 - 5956
Опубликована: Май 3, 2024
We
investigated
the
performance
that
is
improved
in
various
applications
through
molecular
structural
alterations.
Specifically,
we
emphasized
importance
of
controlling
branching
densities
organic
moieties
as
a
useful
tactic
for
varying
surface
area
and
porosity
hybrid
porous
organic/inorganic
polymers
(HPPs),
which
include
octavinylsilsesquioxane
(OVS)
units.
This
study
shows
adjusting
could
greatly
enhance
energy
storage
hydrogen
production.
The
two-branched
chemical
structure
(4,7-dibromo-2,1,3-benzothiadiazole,
BT-Br2)
four-branched
compound
(1,1,2,2-tetrakis(4-bromophenyl)ethylene,
TPE-Br4)
are
individually
reacted
with
OVS
1,3,6,8-tetrabromopyrene
(Py-Br4)
twice
to
prepare
HPPs.
These
materials
high
or
low
cross-linking
density,
well
small
large
areas,
synthesized
by
this
dual
reaction,
also
produces
HPPs
different
densities.
Based
on
Brunauer–Emmett–Teller
calculations,
OVS-Py-BT
HPP
has
more
than
4.5
times
larger
OVS-Py-TPE
material.
Remarkably,
exhibited
exceptional
results
supercapacitor
applications,
specific
capacitance
values
248
54
F/g
HPPs,
respectively,
determined
galvanostatic
charge–discharge.
significantly
outperformed
photocatalytic
evolution.
evident
from
their
respective
evolution
rates:
1348
μmol
g–1
h–1
much
lower
11.3
HPP.
Polymer Chemistry,
Год журнала:
2023,
Номер
15(5), С. 397 - 411
Опубликована: Дек. 27, 2023
Using
Sonogashira
coupling
reactions
and
a
postmodification
approach,
we
successfully
synthesized
TPET-Im
CMP
incorporating
an
imidazolium
unit
to
enhance
antibacterial
properties
optimize
its
performance
as
supercapacitor
electrode.
