International Journal of Hydrogen Energy,
Journal Year:
2024,
Volume and Issue:
71, P. 433 - 464
Published: May 22, 2024
This
paper
provides
an
in-depth
examination
of
critical
and
strategic
raw
materials
(CRMs)
their
crucial
role
in
the
development
electrolyzer
fuel
cell
technologies
within
hydrogen
economy.
It
methodically
analyses
a
range
technologies,
including
alkaline,
proton-exchange
membrane,
solid-oxide,
anion-exchange
proton-conducting
ceramic
systems.
Each
technology
is
examined
for
its
specific
CRM
dependencies,
operational
characteristics,
challenges
associated
with
availability
sustainability.
The
study
further
extends
to
storage
separation
focusing
on
employed
high-pressure
cylinders,
metal
hydrides,
processes,
implications.
A
key
aspect
this
exploration
supply
demand
dynamics
CRMs,
offering
comprehensive
view
that
encompasses
both
present
sttate
future
projections.
aim
uncover
potential
risks,
understand
strategies,
identify
bottlenecks
involved
addressing
current
needs
demands
as
well
supply.
approach
essential
planning
sustainable
sector,
emphasizing
importance
CRMs
achieving
expanded
capacity
leading
up
2050.
Inorganic Chemistry,
Journal Year:
2024,
Volume and Issue:
63(22), P. 10403 - 10413
Published: May 18, 2024
Development
of
a
simple,
cost-efficient,
and
portable
UO22+
sensory
probe
with
high
selectivity
sensitivity
is
highly
desirable
in
the
context
monitoring
radioactive
contaminants.
Herein,
we
report
luminescent
Co-based
metal–organic
framework
(MOF),
{[Me2NH2]0.5[Co(DATRz)0.5(NH2BDC)]·xG}n
(1),
equipped
abundant
amino
functionalities
for
selective
detection
uranyl
cations.
The
ionic
structure
consists
two
types
channels
decorated
plentiful
Lewis
basic
moieties,
which
trigger
stronger
acid–base
interaction
diffused
cationic
units
thus
can
selectively
quench
fluorescence
intensity
presence
other
interfering
ions.
Furthermore,
limit
sensing
was
achieved
to
be
as
low
0.13
μM
(30.94
ppb)
rapid
responsiveness
multiple
recyclabilities,
demonstrating
its
excellent
efficacy.
Density
functional
theory
(DFT)
calculations
further
unraveled
preferred
binding
sites
ions
tubular
channel
MOF
structure.
Orbital
hybridization
between
NH2BDC/DATRz
together
significantly
large
electron-accepting
ability
identified
responsible
luminescence
quenching.
More
importantly,
prepared
1@PVDF
{poly(vinylidene
difluoride)}
mixed-matrix
membrane
(MMM)
displayed
good
activity
comparable
1,
great
significance
their
practical
employment
MOF-based
luminosensors
real-world
application.
Advanced Functional Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 28, 2025
Abstract
Constructing
highly
oriented
and
ordered
macro‐pores
on
metal‐organic
framework
(MOF)
film
can
surpass
the
inherent
limitations
from
micro‐pores,
promote
multiphase
adsorption,
expedite
electrochemical
reaction,
but
fabrication
remains
extremely
challenging.
Here,
continuous
macro‐micro‐porous
MOF
films
are
achieved
by
combining
polystyrene
microsphere
template
induction
effect
of
ZnO
nanomembrane
prepared
atomic
layer
deposition.
In
addition
to
intrinsic
fabricated
exhibits
macro‐porous
structures.
Compared
with
particles
conventional
film,
mass
diffusion
charge
transportation
in
significantly
improved,
endowing
excellent
activity.
The
sensor
device
made
ZIF‐67
toward
glucose
performance,
e.g.,
high
sensitivity,
low
limit
detection,
fast
response,
due
rapid
molecule
enhanced
exposure
active
sites
via
interconnected
channels.
This
work
paves
way
for
application
high‐performance
biosensor
chip
therefore
may
have
great
potential
post‐Moore
period.
Journal of the American Chemical Society,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 2, 2025
The
development
of
new
chiral
building
blocks
for
constructing
complex
architectures,
such
as
macrocycles
and
cages,
is
both
crucial
challenging.
Although
concave-shaped
calixarenes
have
been
established
versatile
the
synthesis
cage
compounds,
there
are
no
reports
on
cages
constructed
from
calix[4]arene
derivatives.
Herein,
we
present
a
straightforward
effective
method
gram-scale
member
macrocycle
enantiomers,
namely,
phenol[4]arene
(PC[4]A).
As
proof
concept,
functionalized
these
enantiomers
into
tetraformylphenol[4]arene
(PC[4]ACHO)
derivatives
via
Duff
reaction
to
construct
porous
organic
(CPOCs)
using
polyamine
synthons.
Specifically,
employ
two
fluorescent
amine
synthons,
bis(4-aminophenyl)phenylamine
tris(4-aminophenyl)amine,
assemble
with
PC[4]ACHO
resulting
in
[2
+
4]
lantern-shaped
[6
8]
truncated
octahedral
CPOCs,
respectively.
These
structures
unambiguously
characterized
by
single-crystal
X-ray
diffraction
circular
dichroism
(CD)
spectroscopy.
Notably,
CPOCs
exhibit
internal
diameters
approximately
3.1
nm,
cavity
volume
around
5300
Å3,
high
specific
surface
areas
up
1300
m2
g-1
after
desolvation,
making
them
among
largest
reported.
Additionally,
investigations
their
sensing
performance
demonstrate
that
PC[4]A-based
enable
enantioselective
recognition
amino
acids
This
work
strongly
suggests
PC[4]A
can
serve
an
excellent
block
rational
design
materials
practical
applications.
Chemical Communications,
Journal Year:
2023,
Volume and Issue:
60(7), P. 779 - 792
Published: Dec. 13, 2023
Advances
of
macrocycle
and
cage-based
materials
for
iodine
capture,
with
an
emphasis
on
the
structure
hosts,
complexation
mechanism
adsorption
efficiency,
have
been
summarized.
Angewandte Chemie International Edition,
Journal Year:
2024,
Volume and Issue:
63(33)
Published: May 7, 2024
Supramolecular
assembly
frameworks
(SAFs)
represent
a
new
category
of
porous
materials,
utilizing
non-covalent
interactions,
setting
them
apart
from
metal-organic
(MOFs)
and
covalent
organic
(COFs).
This
includes
but
is
not
restricted
to
hydrogen-bonded
supramolecular
frameworks.
SAFs
stand
out
for
their
outstanding
porosity,
crystallinity,
stability,
alongside
unique
dissolution-recrystallization
dynamics
that
enable
significant
structural
functional
modifications.
Crucially,
strategies
allow
balanced
manipulation
symmetry,
dimensions,
facilitating
the
creation
advanced
crystalline
materials
unattainable
through
conventional
or
coordination
bond
synthesis.
Despite
considerable
promise
in
overcoming
several
limitations
inherent
MOFs
COFs,
particularly
terms
solution-processability,
have
received
relatively
little
attention
recent
literature.
Minireview
aims
shed
light
on
standout
SAFs,
exploring
design
principles,
synthesis
strategies,
characterization
methods.
It
emphasizes
distinctive
features
broad
spectrum
potential
applications
across
various
domains,
aiming
catalyze
further
development
practical
application
within
scientific
community.
Chemical Society Reviews,
Journal Year:
2024,
Volume and Issue:
53(21), P. 10380 - 10408
Published: Jan. 1, 2024
Stemming
from
early
seminal
notions
of
molecular
recognition
and
encapsulation,
three-dimensional,
cavity-containing
capsular
compounds
assemblies
have
attracted
intense
interest
due
to
the
ability
modulate
chemical
physical
properties
species
encapsulated
within
these
confined
spaces
compared
bulk
environments.
With
such
a
diverse
range
covalent
motifs
non-covalent
(supramolecular)
interactions
available
assemble
building
blocks,
an
incredibly
wide-range
capsular-type
architectures
been
developed.
Furthermore,
synthetic
tunability
internal
environments
gives
chemists
opportunity
engineer
systems
for
uses
in
sensing,
sequestration,
catalysis
transport
molecules,
just
name
few.
In
this
tutorial
review,
overview
is
provided
into
design
principles,
synthesis,
characterisation,
structural
facets
coordination
cages,
porous
organic
supramolecular
capsules,
foldamers
mechanically
interlocked
molecules.
Using
recent
examples,
advantages
limitations
each
system
are
explored,
highlighting
their
application
various
tasks
functions.