ChemistrySelect,
Journal Year:
2023,
Volume and Issue:
8(32)
Published: Aug. 25, 2023
Abstract
Fast
and
accurate
determination
of
ethanol
concentration
is
important
in
alcohol
industries
for
testing
the
purity
quality
their
products.
Here,
we
demonstrate
a
quick,
robust,
technique
to
estimate
aqueous
solutions.
Our
method
utilizes
principle
diffraction
light
presence
high
frequency
ultrasound
waves
that
create
grating
solution.
A
monochromatic
interacts
with
this
acoustic
produces
an
intensity
distribution
pattern,
which
was
used
determine
concentration.
We
measured
concentrations
various
alcoholic
solutions
beverages
at
room
temperature
very
accuracy
down
2
%
over
range
30–100
%.
The
experimental
results
have
been
supported
analytical
calculations
simulations.
believe
our
will
benefit
production
lead
development
portable,
inexpensive,
reliable
measurement
devices.
ChemCatChem,
Journal Year:
2024,
Volume and Issue:
16(20)
Published: June 28, 2024
Abstract
This
study
provides
a
comprehensive
review
of
recent
advancements
in
photocatalytic
and
electrocatalytic
carbon
dioxide
reduction
using
titanium
catalysts.
The
basic
concepts
light
absorption,
electron
transport,
processes
are
introduced
this
paper,
which
also
delves
into
the
specifics
dioxide.
paper
highlights
key
applications
benefits
dioxide,
including
its
strong
stability,
outstanding
absorption
capacity,
good
transport
performance,
Furthermore,
it
examines
impact
various
surface
modification
techniques
on
catalytic
as
well
effects
catalyst
forms
activity
selectivity
reduction.
in‐depth
analysis
exhibit
promising
properties
hold
significant
potential
for
future
advancements.
However,
some
obstacles
still
need
to
be
overcome,
such
increasing
while
minimizing
energy
dissipation.
In
order
improve
performance
efficiency,
research
should
prioritize
optimization
structural
design
Additionally,
scientific
foundation
accomplishing
sustainable
conversion,
calls
additional
experimental
theoretical
mechanism
action
catalyst.
Energy & Fuels,
Journal Year:
2024,
Volume and Issue:
38(17), P. 16638 - 16656
Published: Aug. 13, 2024
The
electrochemical
reduction
of
CO2
to
high-value-added
fuels
such
as
methanol
is
an
effective
avenue
alleviate
the
greenhouse
effect
and
global
climate
change.
However,
reasonable
design
screening
highly
efficient
electrocatalysts
remain
challenging.
So,
a
promising
cobalt(II)
2,9,16,23-tetra(amino)phthalocyanine
(CoTAPc)
hybrid
electrocatalyst
was
prepared
with
carbon
nanotubes
(CNT)
support
based
on
ball
milling
method.
And
its
surface
morphology
structure
were
characterized
by
methods
scanning
electron
microscopy,
Brunauer–Emmett–Teller,
energy-dispersive
spectroscopy,
Fourier
transform
infrared
spectrometer,
UV–vis
absorption
spectra,
Raman
X-ray
photoelectron
well
performance
reactions
(CO2RR)
evaluated
those
methods,
cyclic
voltammetry,
linear
sweep
impedance
gas
chromatograph,
1H
nuclear
magnetic
resonance,
headspace
chromatography.
Then,
structure–activity
relationship
catalyst
influence
mechanisms
CNT,
milling,
amino
group
CO2RR
elucidated
combining
density
functional
theory
(DFT)
calculations.
addition
CNT
improved
dispersion
induced
structural
bending
deformation
CoTAPc
form
more
active
sites
for
toward
methanol,
accompanied
increase
Faradaic
efficiency
current
nearly
76
200%,
respectively.
shear
action
shortened
length
enhanced
interaction
between
so
that
electron-transfer
resistance
during
decreased,
achieving
150%
partial
methanol.
affected
pathway
modifying
charge
distribution
Co–N4
alter
binding
energy
intermediate.
According
results
DFT
calculations,
proposed
be
CO2(g)
→
*CO2
*CO2–
*COOH
→*CO
*CHO
*CH2O
*CH2OH
*CH3OH
CH3OH(l).
This
work
will
provide
significant
reference
preparation
high-performance
achieve
products
ChemistrySelect,
Journal Year:
2023,
Volume and Issue:
8(32)
Published: Aug. 25, 2023
Abstract
Fast
and
accurate
determination
of
ethanol
concentration
is
important
in
alcohol
industries
for
testing
the
purity
quality
their
products.
Here,
we
demonstrate
a
quick,
robust,
technique
to
estimate
aqueous
solutions.
Our
method
utilizes
principle
diffraction
light
presence
high
frequency
ultrasound
waves
that
create
grating
solution.
A
monochromatic
interacts
with
this
acoustic
produces
an
intensity
distribution
pattern,
which
was
used
determine
concentration.
We
measured
concentrations
various
alcoholic
solutions
beverages
at
room
temperature
very
accuracy
down
2
%
over
range
30–100
%.
The
experimental
results
have
been
supported
analytical
calculations
simulations.
believe
our
will
benefit
production
lead
development
portable,
inexpensive,
reliable
measurement
devices.
