Royal Society of Chemistry eBooks,
Год журнала:
2024,
Номер
unknown, С. 1 - 41
Опубликована: Дек. 6, 2024
Biogenic
silica
(bSi)
is
also
known
as
opal,
biogenic
and
amorphous
opaline
it
can
be
described
or
silicon
dioxide
that
produced
by
living
organisms.
There
are
a
number
of
organisms
produce
bSi
in
both
terrestrial
aquatic
ecosystems,
diatoms
being
one
the
major
producers
marine
ecosystems.
The
biological
origin
makes
an
advantageous
alternative
to
existing
conventional
forms
synthetic
Si
since
sustainable,
economic
environmentally
viable.
Also,
characterized
various
structural
shapes,
(including
globular,
fibrillar,
helical,
tubular,
folded
sheets)
variations
density,
content.
physical
chemical
properties
have
made
hot
topic
research
recent
times.
using
current
ecological
sustainable
extraction
techniques
such
thermal,
methods
has
enhanced
scope
fields.
In
addition
its
inertness,
which
extremely
demanding
terms
science,
demonstrates
some
remarkable
inherent
qualities
could
used
advance
technologies
even
create
new
ones.
intrinsic
been
customized
so
several
applications,
biomedical,
photocatalysis,
enzyme
immobilization,
photonics,
energy
conversion,
storage.
Materials,
Год журнала:
2024,
Номер
17(16), С. 4138 - 4138
Опубликована: Авг. 21, 2024
Lab-made
biosilica
(SiO2)
nanoparticles
were
obtained
from
waste
biomass
(rice
husks)
and
used
as
eco-friendly
fillers
in
the
production
of
nickel
matrix
composite
films
via
co-electrodeposition
technique.
The
produced
characterized
using
XRD,
FTIR,
FE-SEM/EDS.
Amorphous
nano-sized
particles
with
a
high
SiO2
content
obtained.
Various
current
regimes
electrodeposition,
such
direct
(DC),
pulsating
(PC),
reversing
(RC)
regimes,
applied
for
fabrication
Ni
Ni/SiO2
sulfamate
electrolyte.
electrodeposited
or
without
1.0
wt.%
electrolyte
FE-SEM/EDS
(morphology/elemental
analyses,
roundness),
AFM
(roughness),
Vickers
microindentation
(microhardness),
sheet
resistance.
Due
to
incorporation
nanoparticles,
coarser
than
those
pure
addition
also
caused
an
increase
roughness
electrical
conductivity
films.
surface
values
approximately
44.0%,
48.8%,
68.3%
larger
DC,
PC,
RC
respectively.
microhardness
was
assessed
Chen-Gao
(C-G)
hardness
model,
it
shown
that
had
higher
Depending
on
electrodeposition
regime,
increased
29.1%
PC
regime
95.5%
reaching
maximal
value
6.880
GPa
regime.
Royal Society of Chemistry eBooks,
Год журнала:
2024,
Номер
unknown, С. 1 - 41
Опубликована: Дек. 6, 2024
Biogenic
silica
(bSi)
is
also
known
as
opal,
biogenic
and
amorphous
opaline
it
can
be
described
or
silicon
dioxide
that
produced
by
living
organisms.
There
are
a
number
of
organisms
produce
bSi
in
both
terrestrial
aquatic
ecosystems,
diatoms
being
one
the
major
producers
marine
ecosystems.
The
biological
origin
makes
an
advantageous
alternative
to
existing
conventional
forms
synthetic
Si
since
sustainable,
economic
environmentally
viable.
Also,
characterized
various
structural
shapes,
(including
globular,
fibrillar,
helical,
tubular,
folded
sheets)
variations
density,
content.
physical
chemical
properties
have
made
hot
topic
research
recent
times.
using
current
ecological
sustainable
extraction
techniques
such
thermal,
methods
has
enhanced
scope
fields.
In
addition
its
inertness,
which
extremely
demanding
terms
science,
demonstrates
some
remarkable
inherent
qualities
could
used
advance
technologies
even
create
new
ones.
intrinsic
been
customized
so
several
applications,
biomedical,
photocatalysis,
enzyme
immobilization,
photonics,
energy
conversion,
storage.
