Inorganic Chemistry Frontiers,
Journal Year:
2024,
Volume and Issue:
11(23), P. 8235 - 8245
Published: Jan. 1, 2024
A
novel
2D
energetic
MOF
[Cu(ATRZ)(N
3
)
2
]
n
was
prepared
by
single-crystal-to-single-crystal
transformation
to
encapsulating
N
−
,
which
is
a
new
copper
azide
variant
with
excellent
safety
and
laser
initiation
performance.
Advanced Functional Materials,
Journal Year:
2022,
Volume and Issue:
32(46)
Published: Sept. 7, 2022
Abstract
Laser
initiation
has
attracted
increasing
interest
owing
to
its
extraordinary
safety
and
high
reliability.
However,
traditional
metal
complex‐based
laser‐ignitable
primary
explosives
are
limited
by
input
laser
energy
low
detonation
ability.
In
this
study,
an
efficient
explosive‐based
copper
azide
is
prepared
constructing
core‐shell
hetero‐framework
Cu‐MOF@COF
as
the
precursor.
The
pyrolysis
of
hybrid
material
affords
(CA)
nanoparticle
confined
in
a
porous
carbon
shell,
referred
CA@C
Shell.
evenly
coated
shell
functions
light‐to‐heat
conversion
layer
efficiently
promoting
process
inside
CA.
Consequently,
Shell
can
be
initiated
at
lower
thresholds
(0.80
mJ
1064
nm).
This
value
significantly
than
typical
ignitable
complex
tetraamine‐cis‐bis(5‐nitro‐2H‐tetrazolato‐N
2
)cobalt(III)perchlorate
(726
808
Moreover,
successfully
detonates
secondary
CL‐20
when
it
assembled
micro‐detonator
system.
study
offers
unique
method
for
performance
applications.
Inorganic Chemistry Frontiers,
Journal Year:
2022,
Volume and Issue:
9(22), P. 5884 - 5892
Published: Jan. 1, 2022
The
unique
type
of
molecular
architectures
with
a
remarkable
initiation
ability
and
enhanced
stability
is
proposed.
relationship
between
the
structure
sensitivity
Cu(N
3
)
2
-based
primary
explosive
revealed.
Materials Horizons,
Journal Year:
2023,
Volume and Issue:
10(12), P. 5775 - 5781
Published: Jan. 1, 2023
Exploration
of
advanced
lead-free
primary
explosives
is
a
challenging
issue
in
the
field
energetic
materials.
Herein,
we
designed
and
synthesized
novel
N-rich
copper
bromate
coordination
compound
(ECC)
[Cu(ATRZ)(BrO3)2]n
(BLG-1,
ATRZ:
4,4'-azo-1,2,4-triazole)
by
simple
one-step
reaction.
BLG-1
first
reported
three-dimensional
(3D)
ECC.
Its
interesting
3D
reticular
architecture
contributed
to
its
highest
thermal
decomposition
temperature
(Td:
226
°C)
crystal
density
(ρ:
2.69
g
cm-3)
among
ECCs.
More
importantly,
charge
as
little
3
mg
could
reliably
detonate
compressed
RDX,
1
CL-20.
These
incredible
values
indicated
that
had
an
ultra-powerful
initiating
ability
far
superior
previously
explosives.
improved
mechanical
sensitivities
(IS:
13
J;
FS:
N)
electrostatic
sensitivity
(EDS:
240
mJ)
compared
with
those
typical
lead-based
explosive,
lead
azide
4J;
0.75N;
EDS:
5
mJ).
In
particular,
low
laser-initiation
threshold
mJ
at
808
nm,
suggesting
it
serve
laser-ignitable
explosive.
This
work
suggests
promising
candidate
engreat
practical
application
prospects
for