Advanced Sustainable Systems,
Journal Year:
2024,
Volume and Issue:
8(12)
Published: Aug. 22, 2024
Abstract
Hydrogen
is
one
of
the
most
promising
alternative
energy
resources
to
replace
fossil
feedstocks,
with
so‐called
“green”
hydrogen,
derived
by
water
splitting
(WS)
using
renewable
electricity
or
sunlight,
sustainable.
Photocatalytic
hydrogen
production,
in
which
sunlight
sole
input,
has
been
extensively
studied,
and
requires
creation
photogenerated
excitons
(through
irradiation
semiconductors)
their
transport
aqueous
media.
Chemical
scavengers,
notably
electron
donating
molecules,
are
widely
used
quench
holes
thereby
suppress
exciton
recombination
otherwise
limits
yield.
Despite
prevalence,
role
significance
such
scavengers
(also
termed
sacrificial
agents)
photocatalytic
WS
remains
poorly
understood,
hindering
rational
selection.
This
review
focuses
on
importance
donors
WS,
participation
reaction
mechanism.
Small,
Journal Year:
2023,
Volume and Issue:
20(15)
Published: Nov. 23, 2023
Abstract
Metal–organic
frameworks
(MOFs)
represent
a
relatively
new
family
of
materials
that
attract
lots
attention
thanks
to
their
unique
features
such
as
hierarchical
porosity,
active
metal
centers,
versatility
linkers/metal
nodes,
and
large
surface
area.
Among
the
extended
list
MOFs,
Zr‐based‐MOFs
demonstrate
comparably
superior
chemical
thermal
stabilities,
making
them
ideal
candidates
for
energy
environmental
applications.
As
Zr‐MOF,
NU‐1000
is
first
synthesized
at
Northwestern
University.
A
comprehensive
review
various
approaches
synthesis
MOFs
obtaining
properties
(e.g.,
diverse
morphologies,
area,
particular
pore
size
distribution)
applications
in
catalysis
(electro‐,
photo‐catalysis),
CO
2
reduction,
batteries,
hydrogen
storage,
gas
storage/separation,
other
fields
are
presented.
The
further
outlines
current
challenges
development
derivatives
practical
applications,
revealing
areas
future
investigation.
Advanced Materials,
Journal Year:
2024,
Volume and Issue:
36(24)
Published: March 10, 2024
Abstract
The
development
of
high‐density
and
closely
spaced
frustrated
Lewis
pairs
(FLPs)
is
crucial
for
enhancing
catalyst
activity
accelerating
reaction
rates.
However,
constructing
efficient
FLPs
by
breaking
classical
bonds
poses
a
significant
challenge.
Here,
this
work
has
made
pivotal
discovery
regarding
the
Jahn–Teller
effect
during
formation
grain
boundaries
in
carbon‐encapsulated
Ni/NiOx
(Ni/NiO
x
@C).
This
facilitates
O
(V
)
Ni
vacancy
sites
with
different
charge
polarities,
specifically
FLP‐V
‐C
basic
acidic
sites.
synergistic
interaction
between
not
only
reduces
energy
barriers
water
adsorption
splitting,
but
also
induces
strong
photothermal
effect.
mutually
reinforcing
contributes
to
exceptional
performance
Ni/NiO
@C
as
cocatalyst
photothermal‐assisted
photocatalytic
hydrogen
production.
Notably,
@C/g‐C
3
N
4
(NOCC)
composite
photocatalyst
exhibits
remarkable
production
rate
10.7
mmol
g
−1
h
,
surpassing
that
Pt
1.76
times.
Moreover,
NOCC
achieves
an
impressive
apparent
quantum
yield
40.78%
at
wavelength
380
nm.
paves
way
designing
novel
defect‐state
multiphase
cocatalysts
adjacent
FLP
sites,
which
hold
promise
various
catalytic
reactions.
