Scientific Reports,
Год журнала:
2023,
Номер
13(1)
Опубликована: Сен. 21, 2023
To
handle
huge
amount
of
glycerol
produced
in
biodiesel
industry,
is
transformed
to
value-added
products.
In
this
regard,
acetalization
solketal
industrially
attractive.
As
process
various
by-products
can
be
formed,
designing
highly
selective
catalysts
great
importance.
line,
we
wish
report
a
novel
catalyst
that
benefits
from
strong
acidity,
high
specific
surface
area
and
thermal
stability,
which
selectively
form
acetalization.
prepare
the
catalyst,
hierarchical
zeolite
was
prepared
via
method,
partially
dealuminated
NaY
treated
with
PluronicF-127
then
reacted
NH4NO3
furnish
H-form
zeolite.
Hierarchical
faujasite
achieved
through
calcination
template
removal.
Subsequently,
it
functionalized
ionic
liquid
used
for
immobilization
heteropolyacid.
The
results
indicated
importance
mesoprosity
presense
functionality
achiveing
yield.
Moreover,
among
three
investigated
heteropolyacids,
phosphomolybdic
acid
exhibited
highest
catalytic
activity.
fact,
using
10
wt%
at
55
°C
acetone
molar
ratio
1:20,
yield
98%
furnished
under
solvent-less
condition.
Besides,
recyclable
low
leaching
Sensors,
Год журнала:
2020,
Номер
20(20), С. 5743 - 5743
Опубликована: Окт. 10, 2020
Graphitic
carbon
nitride
(g-C3N4)
is
a
two-dimensional
conjugated
polymer
that
has
attracted
the
interest
of
researchers
and
industrial
communities
owing
to
its
outstanding
analytical
merits
such
as
low-cost
synthesis,
high
stability,
unique
electronic
properties,
catalytic
ability,
quantum
yield,
nontoxicity,
metal-free,
low
bandgap
energy,
electron-rich
properties.
Notably,
graphitic
most
stable
allotrope
nitrides.
It
been
explored
in
various
fields
due
excellent
biocompatibility
including
ease
surface
functionalization
hydrogen-bonding.
acts
nanomediator
serves
an
immobilization
layer
detect
biomolecules.
Numerous
reports
have
presented
literature
on
applying
for
construction
electrochemical
sensors
biosensors.
Different
techniques
cyclic
voltammetry,
electrochemiluminescence,
impedance
spectroscopy,
square
wave
anodic
stripping
amperometry
extensively
used
detection
biologic
molecules
heavy
metals,
with
sensitivity
good
selectivity.
For
this
reason,
leading
drive
review
stress
importance
employing
fabrication
RSC Advances,
Год журнала:
2021,
Номер
11(38), С. 23725 - 23778
Опубликована: Янв. 1, 2021
The
development
of
cost-effective,
efficient,
and
novel
catalytic
systems
is
always
an
important
topic
for
heterogeneous
catalysis
from
academia
industrial
points
view.
Heteroatom-doped
carbon
materials
have
gained
more
attention
as
effective
catalysts
to
replace
metal-based
catalysts,
because
their
excellent
physicochemical
properties,
outstanding
structure
characteristics,
environmental
compatibility,
low
cost,
inexhaustible
resources,
energy
consumption.
Doping
heteroatoms
can
tailor
the
properties
carbons
different
utilizations
interest.
In
comparison
pure
these
demonstrate
superior
activity
in
many
organic
reactions.
This
review
highlights
most
recent
progress
synthetic
strategies
fabricate
metal-free
heteroatom-doped
including
single
multiple
applications
fascinating
various
transformations
such
oxidation,
hydrogenation,
hydrochlorination,
dehydrogenation,
etc.
Abstract
This
review
article
provides
a
detailed
summary
of
current
advances
in
the
field
heterogeneous
catalysis
using
silver
nanoparticles.
The
applications
Ag
nanoparticles
have
received
lot
attention
over
past
few
years.
simple
synthetic
protocols
and
their
green
chemistry
approach
raised
popularity
novel
nanocatalysts.
Moreover,
efforts
various
researchers
to
make
suitable
support
for
catalysts
(carbon
azides,
mesoporous
Ag/
m
CTFs,
reduced
graphene
oxides,
NHC
polymers,
carbon
nanofibers,
knitting
aryl
network
etc.)
introduced
flexibility
Their
been
reported
varied
number
reactions,
being
reduction,
epoxidation,
cyclization
alkynes,
N
‐alkylation,
CO
2
incorporation,
photochemical
Diels–Alder
cycloaddition,
Suzuki–Miyaura
cross‐coupling
used
production
several
physiologically
therapeutically
significant
compounds.
relevant
information
from
research
through
years,
required
advancements
further
on
catalytic
ability
Nanoscale Advances,
Год журнала:
2021,
Номер
3(15), С. 4370 - 4387
Опубликована: Янв. 1, 2021
The
confirmation
methods
of
the
doped
elements
in
element-doped
graphitic
carbon
nitride
materials
are
discussed
this
review.
applications
also
summarized.
The Chemical Record,
Год журнала:
2021,
Номер
21(8), С. 1985 - 2073
Опубликована: Июль 1, 2021
Design
and
preparation
of
low-cost,
effective,
novel
catalysts
are
important
topics
in
the
field
heterogeneous
catalysis
from
academic
industrial
perspectives.
Recently,
heteroatom-doped
porous
carbon/metal
materials
have
received
significant
attention
as
promising
divergent
organic
reactions.
Incorporation
heteroatom
into
carbon
framework
can
tailor
properties
carbon,
providing
suitable
interaction
between
support
metal,
resulting
superior
catalytic
performance
compared
with
those
traditional
pure
systems.
In
this
review,
we
try
to
underscore
recent
advances
design,
preparation,
application
towards
various
transformations.
ACS Sustainable Chemistry & Engineering,
Год журнала:
2021,
Номер
9(49), С. 16531 - 16555
Опубликована: Ноя. 8, 2021
Developing
novel
and
efficient
hydrodeoxygenation
(HDO)
catalysts
plays
a
crucial
role
on
biomass
utilization
from
green
sustainable
points
of
view.
In
the
past,
carbon
materials
were
recognized
as
ideal
catalyst
carriers
due
to
their
fascinating
properties
including
tunable
surface
structure
excellent
chemical
thermal
stability.
Recently,
newly
emerging
metal/heteroatom-doped
have
arguably
experienced
tremendous
advances
gained
widespread
interest
in
view
fact
that
heteroatom
doping
can
further
tailor
introduce
various
metal–carrier
interactions,
resulting
superior
HDO
performance
compared
pristine
metal/carbon
catalysts.
this
perspective,
we
focus
synthesis
strategies
for
catalysts,
property
effects
doping,
catalytic
applications
through
these
HDO.
Notably,
try
elucidate
summary
mechanisms,
thereby
providing
guidance
rational
design
advanced
catalysis.