Dalton Transactions,
Journal Year:
2023,
Volume and Issue:
52(38), P. 13716 - 13723
Published: Jan. 1, 2023
For
energetic
compounds,
their
structure
determines
performance,
and
even
minor
variations
in
can
have
a
significant
impact
on
performance.
The
application
scenarios
for
materials
are
diverse,
performance
requirements
vary
as
well.
To
investigate
the
influence
of
different
substituent
positions
primary
explosives,
we
prepared
two
Ag(I)-based
complexes,
[Ag(2-IZCA)ClO4]n
(ECPs-1)
[Ag(4-IZCA)ClO4]n
(ECPs-2),
using
structurally
isomeric
ligands,
1H-imidazole-2-carbohydrazide
(2-IZCA)
1H-imidazole-4-carbohydrazide
(4-IZCA).
structures
were
confirmed
infrared,
elemental
analysis,
single-crystal
X-ray
diffraction.
Experimental
results
demonstrate
that
both
ECPs
exhibit
good
thermal
stability.
However,
compared
to
ECPs-1,
ECPs-2
exhibits
lower
initial
decomposition
temperature
(Td
=
210
°C),
mechanical
sensitivity
(IS
27
J,
FS
84
N),
more
concentrated
energy
output.
Although
theoretical
predictions
suggest
similar
detonation
velocities
pressures
actual
tests
indicate
has
stronger
explosive
power
initiating
capability,
with
potential
use
laser
initiator
(E
126
mJ).
simple
preparation
method
inexpensive
starting
enrich
research
explosives.
The Journal of Physical Chemistry C,
Journal Year:
2023,
Volume and Issue:
127(27), P. 12923 - 12930
Published: June 27, 2023
In
addition
to
the
three
classical
methods
for
adjusting
performance
of
energetic
complexes,
in
order
explore
influence
different
bonding
types
on
materials,
we
designed
ionic
salts
PZCA·HClO4
(3)
and
ECPs
[Ag(PZCA)ClO4]n
(4)
with
PZCA(1H-pyrazole-4-carbohydrazide)
as
ligand.
They
use
same
ligands
oxidizing
acids
also
have
N/O
number.
On
basis
their
structures
compositions
confirmed
by
infrared
spectroscopy,
elemental
analysis,
single-crystal
X-ray
diffraction,
characterization
physical
chemical
properties
shows
that
4
has
better
thermal
decomposition
behavior
(ΔT
=
30
°C),
more
suitable
mechanical
sensitivity
(IS
5
J,
FS
9
N),
outstanding
initiation
performance.
After
studying
mechanism,
find
bonds
(H
bond
or
coordination
covalent
bond)
lead
mechanisms
(redox
reaction
free
radical
reaction)
and,
finally,
show
great
differences
explosive
properties.
Dalton Transactions,
Journal Year:
2024,
Volume and Issue:
53(32), P. 13308 - 13319
Published: Jan. 1, 2024
Energetic
Metal-Organic
Framework
(EMOF)
compounds
have
gained
significant
attention
in
recent
years
as
a
hot
research
topic
the
fields
of
explosives
and
propellants.
This
article
provides
an
overview
latest
progress
EMOFs
various
areas,
including
heat-resistant
explosives,
burning
rate
catalysts
initiating
explosives.
It
discusses
development
trends
high-energy
EMOFs,
such
high-dimensional
solvent-free
structural
design,
simplified
scalable
synthesis
conditions,
environmentally
friendly
manufacturing
processes
with
tunable
structures,
high-energy,
low-sensitivity
multifunctional
target
products.
The
challenges
issues
faced
by
are
presented.
Furthermore,
key
directions
for
future
applications
propellants
discussed,
design
synthesis,
precise
modulation
molecular
composition
pore
structure,
improvement
accurate
prediction
methods
physicochemical
properties
low-cost
large-scale
production
composite
energetic
materials,
exploration
influencing
factors,
comprehensive
study
on
application
novel
high-performance
EMOFs.
Materials Horizons,
Journal Year:
2024,
Volume and Issue:
11(22), P. 5701 - 5708
Published: Jan. 1, 2024
Nowadays,
thousands
of
energetic
materials
have
been
synthesized,
but
only
a
few
compounds
meet
all
the
high
standards
detonation
performance
comparable
to
that
widely
used
military
explosive
RDX,
thermal
stability
most
heat-resistant
HNS,
and
impact
sensitivity
traditional
TNT.
Also,
as
goal,
novel
unexpected
one-step
method
for
constructing
furoxan-bridged
compound
3,4-bis(3,8-dinitropyrazolo[5,1-
Dalton Transactions,
Journal Year:
2023,
Volume and Issue:
52(38), P. 13716 - 13723
Published: Jan. 1, 2023
For
energetic
compounds,
their
structure
determines
performance,
and
even
minor
variations
in
can
have
a
significant
impact
on
performance.
The
application
scenarios
for
materials
are
diverse,
performance
requirements
vary
as
well.
To
investigate
the
influence
of
different
substituent
positions
primary
explosives,
we
prepared
two
Ag(I)-based
complexes,
[Ag(2-IZCA)ClO4]n
(ECPs-1)
[Ag(4-IZCA)ClO4]n
(ECPs-2),
using
structurally
isomeric
ligands,
1H-imidazole-2-carbohydrazide
(2-IZCA)
1H-imidazole-4-carbohydrazide
(4-IZCA).
structures
were
confirmed
infrared,
elemental
analysis,
single-crystal
X-ray
diffraction.
Experimental
results
demonstrate
that
both
ECPs
exhibit
good
thermal
stability.
However,
compared
to
ECPs-1,
ECPs-2
exhibits
lower
initial
decomposition
temperature
(Td
=
210
°C),
mechanical
sensitivity
(IS
27
J,
FS
84
N),
more
concentrated
energy
output.
Although
theoretical
predictions
suggest
similar
detonation
velocities
pressures
actual
tests
indicate
has
stronger
explosive
power
initiating
capability,
with
potential
use
laser
initiator
(E
126
mJ).
simple
preparation
method
inexpensive
starting
enrich
research
explosives.
