Advances in Colloid and Interface Science,
Journal Year:
2019,
Volume and Issue:
275, P. 102064 - 102064
Published: Nov. 9, 2019
A
critical
review
of
the
points
zero
charge
(PZC)
obtained
by
potentiometric
titration
and
isoelectric
(IEP)
electrokinetic
measurements.
The
results
from
recent
literature
are
presented
with
experimental
details
(temperature,
method,
type
apparatus,
etc.),
they
compared
similar
materials
reported
in
older
publications.
Most
studies
PZC
IEP
papers
were
carried
out
for
metal
oxides
hydroxides,
especially
alumina,
iron
oxides,
titania,
consistent
literature,
summarized
previous
reviews
same
author.
Relatively
few
less
common
materials,
(nominally)
VO2
BN
have
been
1st
time.
Soil Biology and Biochemistry,
Journal Year:
2021,
Volume and Issue:
164, P. 108483 - 108483
Published: Nov. 5, 2021
Soil
organisms
are
recognized
as
ecosystem
engineers
and
key
for
aggregation
in
soil
due
to
bioturbation,
organic
matter
(OM)
decomposition,
excretion
of
biogenic
OM.
The
activity
is
beneficial
quality,
functions,
nutrient
cycling.
These
attributions
based
on
field-scale
observations
that
link
the
presence
spatiotemporal
changes
properties
can
be
traced
back
formation
aggregates.
This
pathway
encompasses
a
cascade
processes
so
far
not
discussed
comprehensively.
A
more
general
approach
needs
consider
feedback
loops
between
biota,
active
release
OM
by
excretion,
interaction
with
constituents,
organo-mineral
associations,
how
these
become
incorporated
aggregated
structures.
Especially
function
biogenically
excreted
OM,
which
quite
complex
composition,
controversial
it
permits
or
inhibits
aggregation.
review
analyzes
various
roles
may
take
an
agent.
We
will
show
its
depends
interplay
numerous
factors,
including
environmental
conditions,
variety
producers,
composition
availability
type
interacting
mineral
phase.
affect
aggregate
three
different
ways:
(I)
bridging
agent
promotes
surface
modifications
attraction,
(II)
separation
favors
formation,
mobility,
transport
associations
their
further
inclusion
into
aggregates,
(III)
gluing
mediates
stability,
after
external
force
provokes
close
particles.
conclude
takes
functional
simultaneously
varying
extent
across
scales.
Hence,
involved
modification
particles,
enmeshment
particles
(im-)mobilization,
facilitating
All
hierarchy
factors
comprising
local
community's
conditions
immediate
environment.
Advances in Colloid and Interface Science,
Journal Year:
2023,
Volume and Issue:
319, P. 102973 - 102973
Published: Aug. 8, 2023
Surfaces
are
often
characterized
by
their
points
of
zero
charge
(PZC)
and
isoelectric
(IEP).
Different
authors
use
these
terms
for
different
quantities,
which
may
be
equal
to
the
actual
PZC
under
certain
conditions.
Several
popular
methods
lead
results
inappropriately
termed
PZC.
This
present
review
is
limited
zero-points
obtained
in
presence
inert
electrolytes
(halides,
nitrates,
perchlorates
1st
group
metals).
IEP
reported
all
kinds
materials.
metal
oxides
as
common
intersection
potentiometric
curves
3
or
more
ionic
strengths
(or
means
equivalent
methods)
also
reported,
while
apparent
mass
titration,
pH-drift
method,
etc.
deliberately
neglected.
The
published
recent
publications
older
overlooked
previous
compilations
same
author
reported.
PZC/IEP
accompanied
information
on
temperature
nature
concentration
supporting
electrolyte
(if
available).
references
reviews
allow
compare
newest
with
similar
materials
from
literature.
Environmental Science & Technology,
Journal Year:
2019,
Volume and Issue:
53(13), P. 7265 - 7287
Published: June 14, 2019
Nanotechnology
has
unprecedentedly
revolutionized
human
societies
over
the
past
decades
and
will
continue
to
advance
our
broad
societal
goals
in
coming
decades.
The
research,
development,
particularly
application
of
engineered
nanomaterials
have
shifted
focus
from
"less
efficient"
single-component
toward
"superior-performance",
next-generation
multifunctional
nanohybrids.
Carbon
(e.g.,
carbon
nanotubes,
graphene
family
nanomaterials,
dots,
graphitic
nitride)
metal/metal
oxide
nanoparticles
Ag,
Au,
CdS,
Cu2O,
MoS2,
TiO2,
ZnO)
combinations
are
most
commonly
pursued
nanohybrids
(carbon–metal
nanohybrids;
CMNHs),
which
exhibit
appealing
properties
promising
multifunctionalities
for
addressing
multiple
complex
challenges
faced
by
humanity
at
critical
energy–water–environment
(EWE)
nexus.
In
this
frontier
review,
we
first
highlight
altered
newly
emerging
electronic
optical
attributes,
particle
size,
shape,
morphology,
crystallinity,
dimensionality,
carbon/metal
ratio,
hybridization
mode)
CMNHs
that
distinct
those
their
parent
component
materials.
We
then
illustrate
how
these
important
functions
direct
performances
EWE
nexus
including
energy
harvesting
H2O
splitting
CO2
conversion),
water
treatment
contaminant
removal
membrane
technology),
environmental
sensing
situ
nanoremediation.
This
review
concludes
with
identifications
knowledge
gaps
future
research
directions
maximizing
benefits
beyond.
American Mineralogist,
Journal Year:
2019,
Volume and Issue:
105(1), P. 92 - 108
Published: Oct. 3, 2019
Abstract
Rare
earth
elements
(REEs)
have
become
increasingly
important
to
our
modern
society
due
their
strategical
significance
and
numerous
high
technological
applications.
Regolith-hosted
heavy
rare
element
(HREE)
deposits
in
South
China
are
currently
the
main
source
of
HREEs,
but
ore-forming
processes
poorly
understood.
In
these
deposits,
REEs
postulated
accumulate
regolith
through
adsorption
on
clay
minerals.
Zudong
deposit,
world's
largest
regolith-hosted
HREE
minerals
dominated
by
short,
stubby,
nanometer-scale
halloysite
tubes
(either
10
or
7
Å)
microcrystalline
kaolinite
saprolite
lower
pedolith
micrometer-sized
vermicular
humic
layer
upper
pedolith.
A
critical
transformation
is
coalescence
unrolling
form
kaolinite.
Microcrystalline
also
transformed
large,
well-crystalline
This
could
result
significant
changes
different
physicochemical
properties
assemblages.
Halloysite-abundant
assemblages
deep
specific
surface
area
porosity
significantly
higher
than
kaolinite-dominant
shallow
soils.
The
crystallinity
increased,
exemplified
decrease
Fe
contents
group
(from
~1.2
wt%
~0.35
pedolith),
thereby
indicative
less
availability
various
types
sites.
Hence,
halloysite-abundant
capacity
efficiently
retain
released
from
weathering
parent
granite.
Reduction
during
depth
partially
leads
REE
desorption,
would
be
subsequently
transported
adsorbed
at
deeper
part
soil
profile.
clay-adsorbed
concentration
(~2500
ppm
average)
much
uppermost
soils
(~400
average).
Therefore,
environments
that
favor
release
preservation
can
continuously
adsorb
economically
valuable
deposits.
Nano Energy,
Journal Year:
2021,
Volume and Issue:
83, P. 105789 - 105789
Published: Jan. 19, 2021
The
polar
and
piezoelectric
nature
of
the
wurtzite
structure
ZnO
nanowires
with
a
high
aspect
ratio
at
nanoscale
dimensions
is
interest
for
piezotronic
devices,
but
number
issues
related
to
polarity
are
still
open
deserve
particular
attention.
In
this
context,
chemical
bath
deposition
offers
unique
opportunity
select
O-
or
Zn-polarity
resultant
further
compatible
fabrication
processes
flexible
devices.
control
use
in
grown
by
new
way
greatly
enhance
performance
However,
as
an
additional
tunable
parameter
should
be
considered
care
because
it
has
strong
influence
on
many
properties.
present
review
intended
report
most
important
consequences
After
introducing
basic
principles
involving
crystal
ZnO,
special
emphasis
placed
effects
nucleation
growth
mechanisms
using
deposition,
defect
incorporation
doping,
electrical
contacts
device
Frontiers in Chemistry,
Journal Year:
2018,
Volume and Issue:
6
Published: July 31, 2018
The
polymeric
materials
have
presented
a
great
development
in
adsorption
processes
for
the
treatment
of
polluted
waters.
aim
current
review
is
to
present
recent
developments
this
field
study
by
examining
research
systems
like
functional
water-soluble
polymers
and
polymer-metal
complexes
coupled
ultrafiltration
membranes
decontamination
liquid-liquid
phase.
Noticing
that
polymer
can
be
turned
into
insoluble
compounds
setting
crosslinking
point,
connecting
chains
leading
resins
suitable
solid-liquid
extraction
processes.
Moreover,
these
crosslinked
used
develop
more
complex
such
as
(nano)composite
hybrid
adsorbents,
combining
with
inorganic
moieties
metal
oxides.
This
combination
results
novel
overcome
some
drawbacks
each
separated
components
enhance
sorption
performance.
In
addition,
new
trends
methods
polymers,
membranes,
electrocatalysis/photocatalysis
remove
pollutants
been
discussed
review.
Advances in Colloid and Interface Science,
Journal Year:
2021,
Volume and Issue:
296, P. 102519 - 102519
Published: Sept. 1, 2021
Summary
of
the
points
zero
charge
(PZC)
and
isoelectric
(IEP)
various
materials
published
in
recent
literature
older
results
overlooked
previous
compilations.
The
roles
experimental
conditions,
especially
temperature,
nature
concentration
supporting
electrolyte,
type
apparatus
are
emphasized.
newest
compared
with
reported
reviews.
Most
studies
were
carried
out
whose
pH
dependent
surface
charging
is
already
well-documented,
consistent
literature.
Isoelectric
Gd(OH)3,
Sm(OH)3,
TeO2
have
been
for
first
time
