Angewandte Chemie,
Год журнала:
2024,
Номер
136(38)
Опубликована: Июнь 26, 2024
Abstract
Birefringent
crystals
have
essential
applications
in
optical
communication
areas.
Low‐dimensional
structures
with
inherited
structural
anisotropy
are
potential
systems
for
investigating
birefringent
materials
large
birefringence.
In
this
work,
the
zero‐dimensional
(0D)
[(
p
‐C
5
H
NO)
2
ZnCl
]
(
1
)
and
[
6
NO]
[ZnCl
4
were
obtained
by
introducing
π‐conjugated
NO
(4HP)
into
three‐dimensional
(3D)
.
Remarkably,
exhibits
a
giant
birefringence
of
0.482@546
nm,
which
is
largest
among
Zn‐based
ultraviolet
(UV)
compounds
160
times
that
According
to
theoretical
calculation
analyses,
polarizability,
high
spatial
density,
ideal
distribution
[(4HP)
0
cluster,
low
dimension
result
dramatically
increased
compared
This
work
will
provide
valid
route
accelerating
design
synthesis
excellent
low‐dimensional
systems.
Inorganic Chemistry Frontiers,
Год журнала:
2023,
Номер
10(11), С. 3367 - 3374
Опубликована: Янв. 1, 2023
A
novel
2D
quaternary
thioarsenate,
CsZnAsSe
3
,
was
obtained
by
a
stereochemically
active
lone
pair
(SCALP)
induction
strategy,
which
exhibits
28-fold
increase
in
birefringence
compared
to
the
known
3D
framework
CsZn
4
Ga
5
Se
12
.
Materials Chemistry Frontiers,
Год журнала:
2023,
Номер
7(20), С. 4683 - 4692
Опубликована: Янв. 1, 2023
Recent
progress
and
prospects
of
borate-based
short-wavelength
NLO
crystals
with
modified
boron-oxygen
skeleton
have
been
surveyed
analyzed
focusing
on
the
crystal
structure
features,
cutoff
edges,
birefringence
SHG
responses.
ACS Materials Letters,
Год журнала:
2024,
Номер
6(4), С. 1094 - 1102
Опубликована: Фев. 23, 2024
The
d0
transition
metal
oxides
are
the
most
commonly
used
nonlinear
optical
(NLO)
materials
in
visible
light
region;
however,
their
limited
band
gaps
seriously
hinder
application
ultraviolet
(UV)
and
deep-ultraviolet
(DUV)
regions.
Achieving
double
enhancement
of
gap
birefringence
by
regulating
anionic
units
helps
to
push
phase-matching
(PM)
wavelength
into
UV/DUV
Herein,
starting
from
famous
NLO
material
LiNbO3,
a
"dual-anion
strategy"
is
proposed
regulate
[NbO6–xFx]
octahedra,
predicted
Li2Nb2O6–xF2x·(LiF)y
(x
=
1,
2,
4;
y
0,
2)
exhibit
dual-property
magnification
wide
(3.82–6.26
eV,
1–3
eV
larger
than
LiNbO3)
extraordinary
(0.100–0.322,
1–4
times
that
LiNbO3),
along
with
strong
second
harmonic
generation
(SHG)
response
2.6–6.2
×
KDP.
Remarkably,
Li2NbOF5-I
LiNbOF4-II
have
extremely
short
PM
(λPM
209
nm)
ever
reported
for
oxyfluorides.
Further
analysis
uncovers
fluorinated
modification
edges
increase
octahedral
anisotropy
[NbO6−xFx]
groups
main
reasons
enhanced
ability.
Inorganic Chemistry,
Год журнала:
2023,
Номер
62(23), С. 9209 - 9216
Опубликована: Май 31, 2023
Borates
provide
an
excellent
platform
for
investigating
the
optical
nonlinearity
and
linearity
of
crystals
as
photoelectric
functional
materials.
In
our
work,
borate
derivatives
with
isolated
[B3O3]
six-membered
rings
structural
features
are
preferred
system
due
to
their
simple
units
properties.
Herein,
by
utilizing
target-oriented
synthesis,
a
series
derivatives,
A2[B3O3F4(OH)]
(A=
NH4,
Rb,
Cs)
(ABOFH),
K2.3Cs0.7B3O3F6
(KCsBOF),
Cs3[B3O3(OH)3]Cl3
(CsBOHCl),
novel
heteroanionic
groups
containing
[BOxF4–x]
(x
=
0–3)
and/or
[BO2(OH)]
were
obtained.
ABOFH,
KCsBOF,
CsBOHCl
construct
different
two-dimensional
pesudolayers
featuring
[B3O3F4(OH)],
[B3O3F6],
[B3O3(OH)3]
units,
respectively.
Also,
properties
arrangement
information
these
anionic
studied.
Among
total
five
compounds,
(NH4)2[B3O3F4(OH)]
enlarged
birefringence
sufficient
band
gaps
screened
out
promising
birefringent
optimally
aligned
configuration
birefringence-active
units.
The
successful
results
synthesis
indicate
more
profound
conclusion
that
now
has
diversified
chemistry,
effective
strategy
was
proposed
modify
species
optimize
performance
crystals.
Chemistry - A European Journal,
Год журнала:
2024,
Номер
30(33)
Опубликована: Апрель 15, 2024
Abstract
Assembling
multi‐anionic
groups
is
conducive
to
utilizing
respective
advantage
achieve
the
enhancement
of
optical
performance.
Two
new
hydroxyfluorooxoborates,
Ama
2‐Rb
2
B
3
O
F
4
(OH)
and
K
8
Cs
15
14
7
20
⋅
H
with
[B
(OH)]
six‐membered
rings
were
synthesized
for
first
time.
The
title
compounds
exhibit
short
ultraviolet
cutoff
edges
(<200
nm)
possesses
a
moderate
experimental
refractive
index
difference
0.051@546
nm.
Dalton Transactions,
Год журнала:
2023,
Номер
52(38), С. 13492 - 13496
Опубликована: Янв. 1, 2023
The
first
hydroxyfluorooxoborate-nitrate,
K
5
[B
3
O
F
4
(OH)]
2
(NO
),
with
a
short
ultraviolet
cutoff
edge
and
large
birefringence
was
synthesized
via
the
solution
evaporation
method.
Inorganic Chemistry,
Год журнала:
2025,
Номер
unknown
Опубликована: Фев. 24, 2025
Mixed-coordinated
borophosphates
containing
π-conjugated
[BO3]
and
non-π-conjugated
[BO4]
[PO4]
tetrahedra
have
been
a
research
hot
spot
benefiting
from
their
diverse
structures
the
presentation
of
pre-eminent
optical
performances.
Through
high-temperature
solution
method,
new
mixed-coordinated
borophosphate
K2PbB5P3O17
was
synthesized.
This
compound
exhibits
an
unprecedented
[B5P3O21]
fundamental
building
block
consisting
apex-sharing
[B3O7],
[BO4],
units,
possessing
short
ultraviolet
cutoff
edge
234
nm
as
well
moderate
birefringence
(0.045@1064
nm).
Compared
with
tetra-coordinated
KPbBP2O8
same
elemental
composition,
achieves
great
enhancement
induced
by
introduction
planar
[B2O5]
unit.
