CO2 adsorption on a water-resist HKUST-1 by incorporation of Graphene Oxide
Abstract
This
paper
aims
to
improve
the
aqueous
stability
and
electrochemical
activity
of
HKUST-1
(or
Cu3(BTC)2,
BTC
=
benzene
1,3,5-tricarboxylate;
HKUST
from
Hong
Kong
University
Science
Technology)
by
incorporation
Graphene
Oxide
(GO).
The
synthesis
was
carried
out
in
two
steps;
first,
CuII
ions
were
pre-adsorbed
on
surface
GO,
then
organic
linker
added
form
structure
dispersed
GO
sheets.
Two
concentrations
copper
used
synthesis,
3.57
14.27
mmol
obtain
samples:
GO@HKUST-1low
GO@HKUST-1high,
respectively.
N2
adsorption
properties
GO@HKUST-1high
suggest
an
increase
area
compared
up
1082.0
m2·g-1.
In
addition,
CO2
capture
increased
5.34
(HKUST-1)
6.92
mmol·g-1
at
273
K
100
kPa.
improvement
is
associated
with
dispersion
sheets
achieved
through
strategy
used,
which
also
area,
H2O
adsorption
capacity
composite
material,
stability.
After
tests,
XRD
confirmed
that
material
stable
under
conditions,
showing
did
not
undergo
any
structural
modification.
Research Square (Research Square), Год журнала: 2024, Номер unknown
Опубликована: Ноя. 4, 2024
Язык: Английский