Lead-free single crystal metal halide perovskite detectors
Fa Cao,
No information about this author
Ying Liu,
No information about this author
X. D. Zhang
No information about this author
et al.
Materials Science and Engineering R Reports,
Journal Year:
2025,
Volume and Issue:
164, P. 100991 - 100991
Published: April 9, 2025
Language: Английский
Single Crystal Ruddlesden–Popper and Dion–Jacobson Metal Halide Perovskites for Visible Light Photodetectors: Present Status and Future Perspectives
ACS Applied Materials & Interfaces,
Journal Year:
2024,
Volume and Issue:
16(33), P. 43134 - 43155
Published: Aug. 8, 2024
2D
metal
halide
perovskites
(MHPs),
mainly
the
studied
Ruddlesden–Popper
(RP)
and
Dion–Jacobson
(DJ)
phases,
have
gained
enormous
popularity
as
optoelectronic
materials
owing
to
their
self-assembled
multiple
quantum
well
structures,
tunable
semiconducting
properties,
improved
structural
stability
compared
bulk
3D
counterparts.
The
performance
of
polycrystalline
thin
film
devices
is
limited
due
formation
defects
trap
states.
However,
so
far,
single
crystal-based
can
provide
a
better
platform
improve
device
investigate
fundamental
properties
more
reliably.
This
Review
provides
first
comprehensive
report
on
emerging
field
RP
DJ
perovskite
crystals
use
in
visible
light
photodetectors
varied
configurations.
structurally
summarizes
MHP
crystal
growth
methods
parameters
that
control
process.
In
addition,
characterization
techniques
used
are
discussed.
review
further
detailed
insights
into
working
mechanisms
operational
photodetector
devices.
end,
outline
present
status
future
directions,
this
forward-looking
perspective
concerning
technical
challenges
bottlenecks
associated
with
developing
crystals.
Therefore,
timely
will
overview
fast-growing
ignite
new
concepts
for
wide
range
applications
including
solar
cells,
photocatalysts,
H2
production,
neuromorphic
bioelectronics,
memory
devices,
etc.
Language: Английский
Ultrasmall CsPbBr3 Nanocrystals as a Recyclable Heterogeneous Photocatalyst in 100% E- and Anti-Markovnikov Sulfinylsulfonation of Terminal Alkynes
Tarun Kumar Dinda,
No information about this author
Anupam Manna,
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Pravat Nayek
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et al.
ACS Applied Materials & Interfaces,
Journal Year:
2024,
Volume and Issue:
16(37), P. 49411 - 49427
Published: Sept. 6, 2024
The
precise
synthesis
of
ultrasmall,
monodisperse
CsPbBr
Language: Английский
Footprints of scanning probe microscopy on halide perovskites
Chemical Communications,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Jan. 1, 2024
Scanning
probe
microscopy
(SPM)
and
advanced
atomic
force
(AFM
Language: Английский
Cu–Sb Atomic Pair Site in Metal Halide Perovskite for CO2 Reduction to Methanol
Yayun Pu,
No information about this author
Fan Yang,
No information about this author
Haowen Wang
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et al.
Inorganic Chemistry,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 24, 2025
Electrochemical
conversion
of
CO2
into
methanol
has
received
extensive
attention
in
recent
years
since
is
an
efficient
energy
carrier
and
industrial
feedstock.
However,
the
selectivity
to
remains
unsatisfied.
In
this
work,
Sb-doped
Cs3Cu2I5
first
rationally
developed
for
electrochemical
reduction,
achieving
remarkable
high
methanol.
UV–vis
absorption,
X-ray
photoelectron
spectroscopy
(XPS),
density
functional
theory
(DFT)
calculations
show
that
Sb
dopants
narrow
band
gap
enhance
metal–ligand
hybridization
due
introduction
5p
orbitals,
which
accordingly
charge
transfer.
addition,
Cu–Sb
pair
Sb@Cs3Cu2I5
perovskite
synergistically
catalyzes
conversion.
The
Cu
sites
serve
absorption
activation,
while
stabilize
intermediate
*OCH2
through
Sb–O
bond
superior
oxygen
affinity.
plasma-treated
sample
with
electron-deficient
exhibits
best
as
88.38%.
This
work
provides
new
insight
highly
metal
halide
perovskite-based
catalysts
Language: Английский
Exploring the lead-free inorganic double perovskites Cs2KMI6 (M = Li, Na) based on high-throughput screening and first principles calculations
Mubeen Jamal,
No information about this author
Mubashir Nazar,
No information about this author
Gamil A.A.M. Al-Hazmi
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et al.
Inorganic Chemistry Communications,
Journal Year:
2025,
Volume and Issue:
unknown, P. 114122 - 114122
Published: Feb. 1, 2025
Language: Английский
Engineering BaHfS3 with Zr alloying to improve solar cell performance: Insights from SCAPS-1D simulations
Materials Science and Engineering B,
Journal Year:
2025,
Volume and Issue:
315, P. 118126 - 118126
Published: Feb. 17, 2025
Language: Английский
Self–Trapped Exciton versus Band–Edge Electron Transitions: Insights of the Factors Affecting the Optical Properties of Lead–Free Sn–Halide Perovskites
Advanced Optical Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Sept. 30, 2024
Abstract
Lead–free
Sn–halide
perovskites
(Sn–HPs)
are
attractive
photomaterials
due
to
their
lower
toxicity,
and
some
of
them
with
higher
stability
against
moisture
water,
compared
Pb‐based
analogous.
Interestingly,
Sn‐HPs
can
exhibit
two
types
optical
characteristics:
the
first
scenario
is
known
as
band‐edge
electron
transitions
[or
band‐to‐band
(b‐b)
emission],
where
accumulated
electrons
in
conduction
band
recombine
holes
valence
band,
providing
a
close
separation
between
absorption
edge/photoluminescence
(PL)
peak
(small
Stokes
shift).
The
second
denominated
self‐trapped
exciton
(STE),
intraband
gap
energy
states
formed
trap
photocarriers
generated
perovskite,
producing
broadband
PL
large
shift.
These
features
have
been
suitable
for
developing
prominent
devices,
but
there
no
consolidated
explanation
about
key
factors
influencing
emergence
b–b
emission
or
STE
Sn‐HPs,
mainly
presence
these
mechanisms
particular
perovskite
system.
This
review
highlights
how
chemical
composition,
structural
defects,
synthetic
procedures
pivotal
specific
features.
will
allow
preparation
better
quality/stability,
facile
modulation
properties,
expanding
future
applicability
LCD
technologies.
Language: Английский
Visible‐Light Photodetection by Zero‐Dimensional Hybrid Indium‐Halide with Minimal Structural Distortion and Reduced Band Gap
Anamika Mondal,
No information about this author
Mohammad Ubaid,
No information about this author
Shresth Gupta
No information about this author
et al.
Angewandte Chemie International Edition,
Journal Year:
2024,
Volume and Issue:
64(1)
Published: Aug. 20, 2024
Perovskite-inspired
zero-dimensional
(0D)
hybrid
halides
exhibit
impressive
light
emission
properties;
however,
their
potential
in
photovoltaics
is
hindered
by
the
absence
of
interconnection
between
inorganic
polyhedra,
leading
to
acute
radiative
recombination
and
insufficient
charge
separation.
We
demonstrate
that
incorporating
closely-spaced
dissimilar
polyhedral
units
with
minimal
structural
distortion
leads
a
remarkable
enhancement
visible-light
photodetection
capability.
designed
0D
C
Language: Английский
Visible‐Light Photodetection by Zero‐Dimensional Hybrid Indium‐Halide with Minimal Structural Distortion and Reduced Band Gap
Anamika Mondal,
No information about this author
Mohammad Ubaid,
No information about this author
Shresth Gupta
No information about this author
et al.
Angewandte Chemie,
Journal Year:
2024,
Volume and Issue:
137(1)
Published: Aug. 20, 2024
Abstract
Perovskite‐inspired
zero‐dimensional
(0D)
hybrid
halides
exhibit
impressive
light
emission
properties;
however,
their
potential
in
photovoltaics
is
hindered
by
the
absence
of
interconnection
between
inorganic
polyhedra,
leading
to
acute
radiative
recombination
and
insufficient
charge
separation.
We
demonstrate
that
incorporating
closely‐spaced
dissimilar
polyhedral
units
with
minimal
structural
distortion
leads
a
remarkable
enhancement
visible‐light
photodetection
capability.
designed
0D
C
24
H
72
N
8
In
2
Br
14
(HIB)
tetragonal
crystal
system,
replacing
Cs
+
InBr
5
.H
O
(CIB)
1,6‐hexanediammonium
(HDA)
cation.
HIB
comprises
[InBr
6
]
3−
octahedra,
4
−
tetrahedra
spaced
3.9
Å
apart
HDA
linker.
The
unit
additionally
linked
via
intercalated
bromine
through
hydrogen
halogen
bonding
interactions,
respectively.
This
arrangement
lowers
dielectric
confinement,
thereby
enhancing
carrier
density
mobility,
increasing
diffusion
coefficient
compared
CIB.
With
3.6
%
vacancy
within
block,
mid‐gap
states
are
created,
reducing
direct
band
gap
2.19
eV.
demonstrates
an
unprecedently
high
responsivity
9975.9±201.6
mA
W
−1
under
3
V
bias
at
485
nm
wavelength,
among
low‐dimensional
halides.
bias,
self‐powered
parameters
81.2±3.0
(6.98±0.21)×10
9
Jones.
Language: Английский