Chemistry - A European Journal,
Год журнала:
2024,
Номер
unknown
Опубликована: Окт. 24, 2024
Abstract
The
construction
of
supramolecular
networks
with
novel
crosslinks
is
great
significance
in
expanding
their
chemical
structures
and
exploring
advanced
functions.
Herein,
we
prepare
a
type
[2]catenane‐cored
based
on
the
crosslinking
polyethylene
glycol
(PEG)
using
heterometallic
[2]catenane
unit.
By
adjusting
molecular
weight
PEG,
solubility
can
be
tuned
gels
are
formed
low
PEG.
introduction
offers
good
antibacterial
properties
owing
to
synergistic
antimicrobial
activity
Pt(II)
Cu(I)
ions
[2]catenane.
This
study
provides
simple
efficient
strategy
for
constructing
topological
as
materials,
which
will
promote
structural
design
biological
applications
networks.
Angewandte Chemie,
Год журнала:
2024,
Номер
136(47)
Опубликована: Июль 23, 2024
Abstract
Directional
electron
flow
in
the
photocatalyst
enables
efficient
charge
separation,
which
is
essential
for
photocatalysis
of
H
2
production.
Here,
we
report
a
novel
class
tetracationic
cyclophanes
(
7
)
incorporating
bipyridine
Pt(II)
and
selenoviologen.
X‐ray
single‐crystal
structures
reveal
that
not
only
fixes
distances
spatial
positions
between
its
individual
units
but
also
exhibits
box‐like
rigid
electron‐deficient
cavity.
Moreover,
host–guest
recognition
phenomena
are
observed
ferrocene,
forming
complexes
with
1
:
stoichiometry.
good
redox
properties,
narrow
energy
gaps,
strong
absorption
visible
range
(370–500
nm)
due
to
containing
two
selenoviologen
(SeV
2+
units.
Meanwhile,
femtosecond
transient
(fs‐TA)
reveals
has
stabilized
dicationic
biradical,
facilitates
directional
achieve
transfer
formation
cyclophane
electronic
architecture.
Then,
applied
visible‐light‐driven
hydrogen
evolution
high
production
(132
μmol),
generation
rate
(11
μmol/h),
turnover
number
(221),
apparent
quantum
yield
(1.7
%),
provides
simplified
photocatalytic
strategy
solar
conversion.
Chemistry - A European Journal,
Год журнала:
2024,
Номер
unknown
Опубликована: Окт. 24, 2024
Abstract
The
construction
of
supramolecular
networks
with
novel
crosslinks
is
great
significance
in
expanding
their
chemical
structures
and
exploring
advanced
functions.
Herein,
we
prepare
a
type
[2]catenane‐cored
based
on
the
crosslinking
polyethylene
glycol
(PEG)
using
heterometallic
[2]catenane
unit.
By
adjusting
molecular
weight
PEG,
solubility
can
be
tuned
gels
are
formed
low
PEG.
introduction
offers
good
antibacterial
properties
owing
to
synergistic
antimicrobial
activity
Pt(II)
Cu(I)
ions
[2]catenane.
This
study
provides
simple
efficient
strategy
for
constructing
topological
as
materials,
which
will
promote
structural
design
biological
applications
networks.
