Crystal Growth & Design,
Journal Year:
2023,
Volume and Issue:
23(4), P. 2826 - 2836
Published: March 13, 2023
Four
novel
energetic
cocrystals
of
5-nitropyrimidine-2,4,6(1H,3H,5H)-trione/nitro
barbituric
acid
(NBA)
with
coformers
1H-tetrazol-5-amine
(AmTz),
5-(4-nitro-1H-pyrazol-3-yl)-4H-1,2,4-triazol-3-amine
(NPTA),
1,3-diaminoguanidinehydrochloride
(DAG),
and
7H-[1,2,4]triazolo[4,3-b][1,2,4]triazole-3,6,7-triamine
(TATOT)
were
synthesized
for
the
first
time
confirmed
by
single-crystal
X-ray
diffraction.
Three
cocrystals,
NBA:AmTz,
NBA:NPTA,
NBA:DAG,
obtained
in
a
stoichiometry
1:1,
while
NBA:TATOT
was
1:2
stoichiometry.
All
presented
molecules
from
commercially
available
inexpensive
starting
materials
one
or
two
steps.
possess
high
densities
(1.71–1.80
g
cm–3),
excellent
thermal
stability
(222–310
°C),
low
impact
friction
sensitivity
(>40
J
>360
N),
which
suggest
that
they
are
better
replacement
TNT
as
core
explosive
close
to
RDX
HMX
formulating
material.
The
strong
stabilizing
hydrogen
bonding
vdW
interactions
preserved
among
all
components
cocrystals.
These
also
play
significant
role
cocrystal
formation.
combine
AmTz,
NPTA,
DAG,
TATOT
performance
NBA
into
homogeneous
Advanced Functional Materials,
Journal Year:
2022,
Volume and Issue:
32(28)
Published: April 28, 2022
Abstract
Organic
multiblock
heterostructure
nanowires
(OMHNs),
integrating
distinct
components
in
the
same
axial
structure,
have
attracted
much
attention
due
to
their
excellent
properties
such
as
intrinsic
good
light
confinement
and
rectification
characteristics.
However,
rationally
incorporating
features
into
OMHNs
with
rigorous
1D
morphology
control
remains
a
key
synthetic
objective.
It
is
because
that
single
possess
fundamentally
distinctive
size‐dependent
electronic,
optical,
magnetic
well
lattice
parameters.
In
last
decade,
researchers
made
own
efforts
this
exciting
field,
especially
from
controlled
fabrication
advanced
applications
of
nanowires.
As
result,
various
been
developed
very
promising
candidates
for
high‐performance
optoelectronic
harvesting,
logic
gate
devices,
photonic
transistors,
anticounterfeiting.
Herein,
recent
advances
aspects
molecular
design,
synthesis,
are
reviewed,
an
outlook
given
providing
inspiration
future
development
toward
integrated
at
nanoscale.
CrystEngComm,
Journal Year:
2022,
Volume and Issue:
24(8), P. 1523 - 1528
Published: Jan. 1, 2022
Shape-controlled
continuous
preparation
of
a
high-quality
CL-20/HMX
cocrystal
has
been
realized
through
microchannel-confined
crystallization
strategy.
Defence Technology,
Journal Year:
2023,
Volume and Issue:
31, P. 271 - 277
Published: Feb. 25, 2023
The
high
energy
coordination
compounds
Cu(TZCA)2(ClO4)2
(ECCs-1)
was
prepared
by
1H-tetrazole-5-carbohydrazide
(TZCA)
with
a
skeleton
and
strong
ability
group.
At
the
same
time,
reaction
activity
of
ligand
explored,
single
crystal
structure
it
intermediate
were
obtained.
structures
all
substances
characterized
IR
EA.
And
composition
ECCs-1
are
confirmed
ESP,
AC,
SEM
ICP-OES.
Physical
chemical
properties
tests
show
that
has
an
acceptable
thermal
stability
(Td
=
177°C)
extremely
sensitive
mechanical
stimulation
(IS
1
J,
FS
5
N).
comprehensive
performance
test
results
excellent
initiation
ability.
In
addition,
decomposition
mechanism
is
explored
from
two
aspects
experiment
theoretical
calculation.
Propellants Explosives Pyrotechnics,
Journal Year:
2023,
Volume and Issue:
48(5)
Published: Feb. 27, 2023
Abstract
Valuable
propellants
have
the
characteristics
of
high
impulse,
low
pollution,
and
strong
stability,
oxidizers
play
a
substantial
role
in
determining
performance
propellants.
Ammonium
dinitramide
(ADN)
is
relatively
promising
oxidizer
due
to
its
high‐energy
chlorine‐free
characteristics.
However,
although
ADN
exhibits
energy
compared
with
traditional
oxidizers,
hygroscopicity
when
exposed
humidity
restricts
broader
application
solid
This
review
highlights
necessity
utilizing
anti‐hygroscopicity
strategies
extend
application.
The
mechanism
summarized
by
calculations
experimental
results.
Anti‐hygroscopicity
technologies
that
can
be
used
include
prilling,
surface
coating,
co‐crystallization,
these
are
comprehensively
herein.
intended
provide
insight
into
use
ADN,
highlight
challenges
methods,
point
out
future
development
directions.
Crystal Growth & Design,
Journal Year:
2023,
Volume and Issue:
23(4), P. 2826 - 2836
Published: March 13, 2023
Four
novel
energetic
cocrystals
of
5-nitropyrimidine-2,4,6(1H,3H,5H)-trione/nitro
barbituric
acid
(NBA)
with
coformers
1H-tetrazol-5-amine
(AmTz),
5-(4-nitro-1H-pyrazol-3-yl)-4H-1,2,4-triazol-3-amine
(NPTA),
1,3-diaminoguanidinehydrochloride
(DAG),
and
7H-[1,2,4]triazolo[4,3-b][1,2,4]triazole-3,6,7-triamine
(TATOT)
were
synthesized
for
the
first
time
confirmed
by
single-crystal
X-ray
diffraction.
Three
cocrystals,
NBA:AmTz,
NBA:NPTA,
NBA:DAG,
obtained
in
a
stoichiometry
1:1,
while
NBA:TATOT
was
1:2
stoichiometry.
All
presented
molecules
from
commercially
available
inexpensive
starting
materials
one
or
two
steps.
possess
high
densities
(1.71–1.80
g
cm–3),
excellent
thermal
stability
(222–310
°C),
low
impact
friction
sensitivity
(>40
J
>360
N),
which
suggest
that
they
are
better
replacement
TNT
as
core
explosive
close
to
RDX
HMX
formulating
material.
The
strong
stabilizing
hydrogen
bonding
vdW
interactions
preserved
among
all
components
cocrystals.
These
also
play
significant
role
cocrystal
formation.
combine
AmTz,
NPTA,
DAG,
TATOT
performance
NBA
into
homogeneous
