Intense Circular Dichroism and Spin Selectivity in AgBiS2 Nanocrystals by Chiral Ligand Exchange
Advanced Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Oct. 11, 2024
Abstract
Chiral
semiconducting
nanomaterials
offer
many
potential
applications
in
photodetection,
light
emission,
quantum
information,
and
so
on.
However,
it
is
difficult
to
achieve
a
strong
circular
dichroism
(CD)
signal
nanocrystals
(NCs)
due
the
complexity
of
chiral
ligand
surface
engineering
multiple,
uncertain
mechanisms
chiroptical
behavior.
Here,
exchange
strategy
with
cysteine
on
ternary
metal
chalcogenide
AgBiS
2
NCs
developed,
strong,
long‐lasting
CD
near‐UV
region
achieved.
By
carefully
optimizing
concentration,
peaks
are
observed
at
260
320
nm,
respectively,
giving
insight
into
different
binding
influencing
NCs.
Using
density‐functional
theory,
large
degree
crystal
distortion
by
bidentate
mode
chelation,
efficient
ligand‐NC
electron
transfer,
synergistically
resulting
strongest
(g‐factor
over
10
−2
)
ligand‐exchanged
semiconductor
date,
demonstrated.
To
demonstrate
effective
properties
these
NCs,
spin‐filter
device
86%
efficiency
fabricated.
This
work
represents
considerable
leap
field
points
toward
their
future
applications.
Language: Английский
Assessment of Interface Passivation in AgBiS2 Q-dot Sensitized Solar Cell on the carrier transport and recombination
Dimuthumal Rajakaruna,
No information about this author
Hongyi Tan,
No information about this author
Chang-Feng Yan
No information about this author
et al.
Electrochimica Acta,
Journal Year:
2025,
Volume and Issue:
unknown, P. 146173 - 146173
Published: April 1, 2025
Language: Английский
Nanomaterials for spin-based quantum information
Nanoscale,
Journal Year:
2024,
Volume and Issue:
17(3), P. 1148 - 1170
Published: Nov. 15, 2024
Quantum
information
science
has
garnered
significant
attention
due
to
its
potential
in
solving
problems
that
are
beyond
the
capabilities
of
classical
computations
based
on
integrated
circuits.
At
heart
quantum
is
bit
or
qubit,
which
used
carry
information.
Achieving
large-scale
and
high-fidelity
bits
requires
optimization
materials
with
trap-free
characteristics
long
coherence
times.
Nanomaterials
have
emerged
as
promising
candidates
for
building
qubits
their
inherent
confinement
effect,
enabling
manipulation
addressing
individual
spins
within
nanostructures.
In
this
comprehensive
review,
we
focus
nanomaterials,
including
0D
dots,
1D
nanotubes
nanowires,
2D
nanoplatelets
nanolayers.
Our
review
aims
bridge
gap
between
nanotechnology
science,
a
particular
emphasis
material
aspects
such
selection,
properties,
synthesis.
By
providing
insights
into
these
areas,
contribute
understanding
advancement
nanomaterial-based
science.
Language: Английский