Dalton Transactions,
Год журнала:
2023,
Номер
52(40), С. 14303 - 14308
Опубликована: Янв. 1, 2023
The
combination
of
π-conjugated
groups
[NO3]
and
Cl-centered
polyhedra
generates
a
new
birefringent
crystal
with
perovskite-related
framework,
KRb2(NO3)2Cl,
which
is
the
first
alkali
metal
nitrate
chloride
synthesized
by
mild
hydrothermal
method.
It
crystallizes
in
orthorhombic
space
group
pbam
(no.
55).
In
addition,
KRb2(NO3)2Cl
crystals
dimensions
up
to
7
×
1.5
1
mm3
were
grown.
Notably,
has
short
UV
cut-off
edge
(below
228
nm)
significantly
enhanced
birefringence
(Δn
=
0.084
at
1064
nm).
Theoretical
calculations
indicate
that
enhancement
mainly
derives
from
plane
triangles.
Inorganic Chemistry,
Год журнала:
2024,
Номер
63(9), С. 4011 - 4016
Опубликована: Фев. 16, 2024
Exploring
new
material
systems
is
a
highly
significant
task
in
the
field
of
inorganic
chemistry.
A
mixed-valent
selenium
compound,
Hg3Se(SeO3)(SO4),
was
successfully
synthesized
through
situ
reactions.
This
compound
exhibits
novel
three-dimensional
structure
composed
Hg3Se(SO4)
layers
bridged
by
SeO3
trigonal
pyramids.
It
first
containing
(SeO3)2–,
(SO4)2–,
and
Se2–
simultaneously.
In
addition,
Hg3Se(SeO3)(SO4)
possesses
wide
bandgap
(3.5
eV),
moderate
birefringence
(Cal:0.064@546
nm,
Exp:0.069@546
nm),
high
laser-induced
damage
threshold
(23.35
MW
cm–2),
transmittance
window
(0.28–6.6
μm).
Our
work
demonstrates
that
(+4,
−2)
selenite
selenide
can
be
potential
optical
materials
for
mid-infrared
region.
Chemical Science,
Год журнала:
2024,
Номер
15(17), С. 6577 - 6582
Опубликована: Янв. 1, 2024
Three
double
alkaline-earth
metal
selenides
A
II
Mg
6
Ga
Se
16
(A
=
Ca,
Sr,
Ba)
with
excellent
optical
properties
have
been
rationally
designed,
and
fabricated
by
high
temperature
solid-state
reactions.
The Innovation Materials,
Год журнала:
2025,
Номер
unknown, С. 100118 - 100118
Опубликована: Янв. 1, 2025
<p>Divalent
rare-earth
(RE<sup>2+</sup>)
compounds
with
unique
electronic
configurations
have
been
known
for
more
than
100
years,
and
many
efforts
done,
but
the
synthesis
of
inorganic
RE<sup>2+</sup>
chalcogenides
is
still
a
challenge
due
to
chemical
instability
RE<sup>2+</sup>.
Herein,
nine
new
RE<sup>II</sup>B<sup>II</sup><sub>6</sub>C<sup>III</sup><sub>6</sub>Q<sup>VI</sup><sub>16</sub>
(RE<sup>II</sup>
=
La,
Ce,
Pr,
Yb;
B<sup>II</sup>
Mg,
Mn;
C<sup>III</sup>
Al,
Ga;
Q<sup>VI</sup>
S,
Se)
rationally
designed
in
an
octahedra
tetrahedra
composed
flexible
framework,
fabricated
experiment.
In
compounds,
stabilized
by
prismatic
crystal
field,
rather
common
octahedral
field.
The
especially
sulfides,
exhibit
significant
luminescence
properties
wide
visible
light
emission
bands
under
excitation
ultraviolet
source.
Meanwhile,
representative
LaMg<sub>6</sub>Ga<sub>6</sub>Se<sub>16</sub>
exhibits
strong
nonlinear
optical
(NLO)
response
1.5
×
AgGaS<sub>2</sub>
(AGS),
high
laser-induced
damage
threshold
(LIDT)
3
AGS.
results
demonstrate
that
are
bifunctional
enriching
diversity
RE
materials,
opening
avenue
design
functional
materials
based
on
stable
anionic
frameworks.</p>
Inorganic Chemistry Frontiers,
Год журнала:
2023,
Номер
10(24), С. 7343 - 7350
Опубликована: Янв. 1, 2023
NCS
Pb
3
(TeO
)Br
4
was
obtained
based
on
the
CS
CdPb
8
(SeO
)
Br
10
by
mild
hydrothermal
reactions.
can
exhibit
an
SHG
response
equivalent
to
KDP,
appropriate
birefringence,
wide
optical
transparency
window
and
high
thermal
stability.
Advanced Functional Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Март 24, 2025
Abstract
Developing
superior
infrared
nonlinear
optical
(IR
NLO)
materials
with
broad
bandgap
(
E
g
)
and
large
NLO
response
is
an
urgent
need
for
the
highly
expected
mid‐/far‐IR
solid‐state
lasers,
but
challenging
due
to
contradiction
between
critical
parameters.
Herein,
guided
by
short
board
effect
of
longboard
response,
four
new
IR
candidates
A
II
B
SiSe
4
(A
=
Sr,
Ba;
Cd,
Hg)
derived
from
centrosymmetric
(CS)
SrIn
2
Se
,
a
structural
transition
Ama
HgSiSe
SrCdSiSe
Fdd
(BaCdSiSe
),
are
rationally
designed
fabricated
synergically
assembling
advantageous
groups.
Among
them,
CdSiSe
displays
optimal
comprehensive
performance
in
known
C
IV
family
compounds,
including
strong
(≈2.1–2.7
×
AgGaS
wide
selenide
(≈2.67–2.78
eV)
high
laser‐induced
damage
threshold
(≈4.0
).
Theoretical
investigations
uncover
that
properties
compounds
can
be
contributed
synergic‐assembly
[A
8
],
[CdSe
[SiSe
]
units.
The
results
enrich
chemical
diversities
chalcogenides,
open
avenue
design
high‐performance
CS
compound
aliovalent
group
substitution
strategy.
Developing
high-performance
infrared
(IR)
nonlinear
optical
(NLO)
materials
is
urgent
but
challenging
due
to
the
competition
between
NLO
coefficient
and
bandgap
in
one
compound.
Herein,
by
coupling
NLO-active
[BS
Inorganic Chemistry Frontiers,
Год журнала:
2024,
Номер
11(15), С. 4603 - 4610
Опубликована: Янв. 1, 2024
This
study
demonstrates
a
feasible
design
strategy
to
achieve
the
greatly
enhanced
optical
anisotropy
through
rational
coupling
d
10
or
SCALP-cations
centered
tetrahedra
and
ethane-like
[P
2
S
6
]
4−
groups
into
structures
of
thiophosphates.