Preferred Al Locations in the Framework Structure of the Zeolite SSZ-82
Crystal Growth & Design,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 8, 2025
Language: Английский
Distinctive signatures and ultrafast dynamics of Brønsted sites, silanol nests and adsorbed water in zeolites revealed by 2D-IR spectroscopy
Chemical Science,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 1, 2025
Exploring
the
information
rich
structural
and
dynamical
landscape
of
vibrations
zeolite
hydration
water,
Brønsted
sites
silanol
nest
vacancy
defects
using
ultrafast
2D-IR
spectroscopy.
Language: Английский
Zeolite–Water Chemistry: Characterization Methods to Unveil Zeolite Structure
José Almeida,
No information about this author
Lu Song,
No information about this author
Sohrab Askarli
No information about this author
et al.
Chemistry - Methods,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 24, 2025
Abstract
This
review
provides
comprehensive
aspects
of
the
interaction
water
with
zeolites,
focusing
on
its
influence
structural
and
catalytic
properties
zeolites.
It
details
how
can
alter
zeolite
acidity
by
forming
hydrogen
bonding
or
hydronium
ions
through
different
modes
in
topologies.
Moreover,
it
summarizes
risks
stability
loss
via
hydrolysis
Si−O−T
bonds
to
stability,
structure,
reactivity
To
address
interference,
various
strategies
for
removal
from
frameworks
are
reviewed
proposed
perspective
By
combining
advanced
in‐situ
techniques,
FTIR
solid‐state
NMR
have
proven
effective
providing
atomic‐level
insights,
as
they
eliminate
masking
effects
enable
precise
characterization
framework.
work
underscores
importance
these
methods
minimizing
water,
enhancing
reliability
applications,
insights
into
recent
advancements,
challenges,
future
directions
related
fields.
Language: Английский
Assignment of IR spectra of ethanol at Brønsted sites of H-ZSM-5 to monomer adsorption using a Fermi resonance model
Physical Chemistry Chemical Physics,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Dec. 10, 2024
The
theoretical
B3LYP+D2
spectrum
of
a
single
adsorbed
ethanol
molecule
at
H-ZSM-5
described
using
the
Fermi
resonance
model
allows
us
to
assign
all
vibrational
bands
in
experimentally
measured
spectrum.
Language: Английский