Angewandte Chemie International Edition,
Journal Year:
2024,
Volume and Issue:
63(30)
Published: May 9, 2024
Abstract
Based
on
the
electron‐withdrawing
effect
of
Pt(bpy)Cl
2
molecule,
a
simple
post‐modification
amide
reaction
was
firstly
used
to
graft
it
onto
surface
NH
‐MIL‐125,
which
performed
as
highly
efficient
electron
acceptor
that
induced
conversion
photoinduced
charge
migration
pathway
from
internal
BDC→TiO
x
external
BDC→PtN
migration,
significantly
improving
efficiency
transfer
and
separation.
Furthermore,
precisely
regulating
over
first
coordination
sphere
Pt
single
atoms
achieved
using
further
with
additional
bipyridine
investigate
Pt−N
numbers
activity.
The
as‐synthesized
NML‐PtN
exhibited
superior
photocatalytic
hydrogen
evolution
activity
7.608
mmol
g
−1
h
,
remarkable
improvement
225
2.26
times
compared
pristine
‐MIL‐125
4
respectively.
In
addition,
apparent
quantum
yield
4.01
%
(390
nm)
turnover
frequency
190.3
(0.78
wt
SA;
129
nanoparticles/NML)
revealed
high
solar
utilization
material.
And
macroscopic
color
changes
caused
by
transition
carrier
paths
observed.
It
holds
profound
significance
for
design
MOF‐Molecule
catalysts
separation
precise
regulation
single‐atom
sphere.
Inorganic Chemistry,
Journal Year:
2024,
Volume and Issue:
63(2), P. 1378 - 1387
Published: Jan. 2, 2024
The
zero-valent
iron
(ZVI)
has
attracted
increasing
attention
due
to
the
enhanced
reactivity
of
ZVI
uranium
wastewater.
However,
practical
application
is
hampered
its
susceptibility
oxidation
and
formation
passivation
layers
during
storage
in
situ
restoration.
To
address
these
issues,
we
used
a
biosulfuration
approach
modify
for
ore
wastewater
treatment.
A
series
physicochemical
characterization
tools
photoelectronic
analyses
showed
that
BS-ZVI
considerably
increased
carrier
separation
efficiency
visible
light
absorption
capacity,
resulting
significant
photoassisted
enhancement
effect
on
extraction.
Accordingly,
removal
reached
91%
within
60
min,
maximum
adsorption
capacity
was
336.3
mg/g.
By
analyzing
mechanism,
improved
U(VI)
performance
mostly
responsible
dissolution
layer
surface
ZVI,
generation
Fe(II)
FeS,
important
role
Shewanella
putrefaciens
extracellular
polymers
(EPS).
Overall,
biohybrid
merges
with
high
activity
bio-FeS,
self-regeneration
ability
bacteria,
expanding
promising
new
sustainable
treatment
mine
Inorganic Chemistry Frontiers,
Journal Year:
2024,
Volume and Issue:
11(20), P. 6970 - 6980
Published: Jan. 1, 2024
The
heterostructure
is
elaborately
designed
by
a
self-assembly
strategy,
wherein
Ag
16
(GSH)
9
nanoclusters
serve
as
photosensitizers
to
participate
in
interfacial
charge
transfer,
ultimately
resulting
significantly
enhanced
photoredox
catalysis.
