In
this
work,
we
constructed
a
novel
heat-resistant
energetic
material
with
four
ring
long
chain
structure
bridged
by
azo
bis
(1,2,4-triazole)
using
electrochemical
synthesis
method.
terms
of
structure,
the
synthesized
1,2-bis(5-(1H-tetrazol-5-yl)-1H-1,2,4-triazol-3-yl)-diazene
(H4AzTT)
exhibits
zwitterionic
properties
and
can
be
obtained
in
form
rare
tetravalent
when
used
as
nitrogen
rich
anion.
Due
to
high
content
molecule
large
conjugated
system
formed
bonds,
H4AzTT
its
salts
(M-AzTT)
exhibit
excellent
thermal
stability
energy
performance.
Among
them,
K4-AzTT·3H2O
possess
highest
decomposition
428
℃.
Specifically,
traditional
chemical
chains
may
result
breakage
or
by-product
generation,
while
method
is
efficient
controllable,
allows
for
direct
salt
(potassium,
lithium,
sodium,
guanidine)
simply
changing
electrolyte.
Electrochemical
testing
situ
ATR-SEIRAS
analysis
showed
that
electro
M-AzTT
occurred
earlier
than
OER.
Therefore,
under
alkaline
conditions,
65%
yield
81.5%
Faraday
efficiency
were
achieved
at
1.7
V
vs.
RHE.
summary,
study
not
only
constructs
super
compounds,
but
also
represents
new
breakthrough
electrochemistry
field
materials.
Journal of Materials Chemistry A,
Год журнала:
2024,
Номер
unknown
Опубликована: Янв. 1, 2024
The
N3-3
molecule
has
achieved
superior
overall
performance
among
N-rich
energetic
materials
(
T
d
=
302
°C
and
D
v
9341
m
s
−1
),
which
significantly
surpasses
that
of
HMX.
Crystal Growth & Design,
Год журнала:
2023,
Номер
24(1), С. 461 - 470
Опубликована: Дек. 12, 2023
In
recent
years,
energetic
metal–organic
frameworks
(EMOFs)
have
gained
significant
attention
in
the
field
of
materials
research.
this
paper,
we
synthesized
MOFs
by
reacting
1,5′-bitetrazolate-2N-oxide
with
Co(NO3)2,
Zn(NO3)2,
Cu(NO3)2,
and
AgNO3,
respectively.
The
resulting
were
characterized
using
single-crystal
X-ray
diffraction.
EMOFs
2
3
exhibited
a
1D
chain
structure,
while
EMOF
4
displayed
2D
structure
5
possessed
3D
framework
structure.
structures,
thermal
stability,
decomposition
kinetics,
properties
four
thoroughly
analyzed
study.
results
showed
that
high
density
(1.933–3.010
g
cm–3).
Among
these
EMOFs,
highest
temperature
(Td
=
182
°C).
Moreover,
superior
energy
(D
7748
m
s–1;
P
36.3
Gpa)
demonstrated
excellent
catalytic
effects
on
ammonium
perchlorate.
The Journal of Physical Chemistry A,
Год журнала:
2024,
Номер
128(18), С. 3557 - 3563
Опубликована: Апрель 26, 2024
Azido-tetrazolo
tautomerizations
between
azido
N-heteroaromatic
compounds
and
tetrazole-fused
energetic
materials
can
produce
a
new
generation
of
high-energy
density
compounds.
Density
functional
theory
(DFT)
computations
are
performed
to
explore
the
relationship
reaction
barriers
electron
densities
bonding
N
atoms,
i.e.,
terminal
N1
heterocyclic
N2
for
six
reported
tautomerizations.
The
results
reveal
four
linear
correlations
reverse
(Gr)
atoms
in
product.
(ρN1)
N–N
bond
polarity,
as
measured
by
difference
on
two
(ΔρN
=
ρN1
–
ρN2)
products,
inversely
proportional
barriers.
They
also
energy
barrier
differences
forward
reactions
(ΔG
Gf
Gr).
Polar
solvents,
including
DMSO,
water,
acetone,
effectively
increase
improving
stability
products.
This
regularity
is
further
confirmed
its
application
additional
be
used
screen
out
unfavorable
azido-tetrazolo
tautomerization
success
rate
such
synthesis.
Chemistry - An Asian Journal,
Год журнала:
2024,
Номер
19(23)
Опубликована: Авг. 19, 2024
Abstract
Nitrogen‐rich
heterocyclic
frameworks
have
attracted
enormous
interest
in
organic
chemistry
and
materials
science.
However,
their
potential
for
developing
photoluminescent
remains
underexplored
due
to
relatively
low
molecular
stabilities.
In
this
work,
two
tricyclic
fused
nitrogen‐rich
fluorescent
heterocycles
were
synthesized
characterized.
The
photophysical
properties
of
the
4
5
investigated
through
theoretical
experimental
studies.
addition,
physicochemical
energetic
performance
as
an
additive
perovskite
absorption
layer
solar
cell
also
studied.
ACS Applied Materials & Interfaces,
Год журнала:
2024,
Номер
unknown
Опубликована: Сен. 23, 2024
Nitrogen-rich
energetic
materials
are
of
interest
due
to
their
potential
use
as
high-energy-density
in
various
applications.
However,
most
compounds
with
a
high
nitrogen
content
show
poor
thermal
stabilities,
which
may
limit
certain
In
pursuit
nitrogen-rich
materials,
this
study
presents
the
synthesis
and
characterization
two
rich
compounds,
namely
3-azido-1-(1
Chemistry - A European Journal,
Год журнала:
2023,
Номер
30(1)
Опубликована: Окт. 16, 2023
Numerous
nitramine
bridged
compounds
which
show
promising
combinations
of
properties
have
already
been
identified
in
the
area
energetic
materials.
In
this
work,
four
new
nitrazapropane
tetrazoles,
as
well
trinitrazaheptane
tetrazoles
and
three
oxapropane
were
synthesized
fully
characterized.
These
can
all
be
by
a
simple,
one-step
synthesis
using
Finkelstein
conditions.
All
these
materials
characterized
NMR
spectroscopy,
single
crystal
X-ray
diffraction,
vibrational
analysis
elemental
analysis.
The
thermal
behaviour
was
studied
differential
(DTA)
partly
thermogravimetric
(TGA).
BAM
standard
method
used
to
determine
sensitivities
towards
impact
(IS)
friction
(FS).
enthalpies
formation
calculated
at
CBS-4M
level,
performances
EXPLO5
(V6.06.01)
computer
code.
compared
each
other
known
material
RDX.
Moreover,
iron(II)
copper(II)
perchlorate
complexes
with
1,3-bis-1,1-tetrazolylnitrazapropane
ligand
prepared
investigated.
The
pursuit
of
novel
energetic
materials
with
enhanced
energy
and
safety
represents
an
enduring
challenge.
Towards
this
goal,
we
employed
the
salts
to
design
synthesize
a
metal
salt
(1)
as
well
three
nitrogen-rich
energy-containing
(2,
3,
4)
derived
from
1,2-bis(4,5-di(1H-tetrazol-5-yl)-2H-1,2,3-triazol-2-yl)
diazene
(NL24).
title
compounds
were
fully
characterized
using
IR,
NMR,
elemental
analysis.
structures
1,
2
4
further
confirmed
by
single
crystal
X-ray
results
showed
that
physiochemical
properties
1
improved,
including
thermal
stability
(Td
=
281
°C),
explosive
performance
(vD
9200
m·s-1).
At
same
time,
physicochemical
hydrazine
(4)
reached
optimum
level,
294
°C)
mechanical
sensitivity
(IS
25
J,
FS
220
N).
In
addition,
structure-property
relationship
was
elucidated
through
investigation
structure
noncovalent
interactions
1,2
4.
