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ISSN: 2666-6472

Fabrication and regulation of combustion properties for Al-Li composite fuel utilizing copper perfluorooctanoate in solid propellant

Alloy based composite fuel has been widely studied for its higher combustion effect and energy release, compared with traditional metal fuels. The doping of organometallic salt was the key to facilitating...

Exploring the effects of inserting heteroatoms (N, O, S) into 9-heterocyclo[3.3.1]nonane frameworks on the properties of their energetic derivatives

Bicyclo[3.3.1]nonane scaffold is a privileged ring system frequently encountered in a variety of cage-like compounds. Exploring the synthesis of bicyclo[3.3.1]nonane is of great significance for the...

Nitraminepyrazole ligand boosting ignition and catalytic performance of energetic complexes

The development of energetic combustion catalysts as combustion catalysts for ammonium perchlorate (AP) has aroused increasing interest in recent years. In this work, five energetic complexes (1-5)...

Multistage-optimized kinetics-diffusion modeling for solid-liquid denitrification: From predictive control to model validation

To analyze the effects of temperature, concentration, and reaction time on the denitration rate of double based spherical gun propellant (DBSGP) and to investigate the denitration reaction-diffusion...

N-functionalization of 3,4-dinitro-1H-pyrazol-5-amine (ADNP): Incorporating nitromethyl and diazidomethyl into energetic pyrazole derivatives

In the field of energetic materials, N-functionalization on pyrazoles faces challenges such as low nucleophilicity and harsh reaction conditions. In this study, the N-functionalization on 5-amino-3,4-dinitropyrazole...

Ultra-high energetic covalent CON polymeric structures from first-principles investigations

CON polymeric structures are promising high-energy-density materials. Six new CON polymeric structures (P-3m1-C3O3N, Cm-C2O2N, Cmca–CON2, Amm2-CON3, Amm2-CON4 and C2/m-CON5) with the novel 1D chain,...

Tuning energy properties via N-NH2 strategy: Construction of two isomeric energetic compounds based on nitro-substituted pyrazoles

The N-site functionalization strategy of nitrogen-rich heterocycles has attracted considerable research attention due to its crucial role in achieving structural diversity and outstanding performance...

Electrochemically facilitated synthesis of 3,3′-diamino-4,4′-azofurazan (DAAF) catalyzed by reduced graphene oxide (rGO): Enhanced efficiency and mechanistic insights

The conventional synthesis of azofurazan-based energetic materials relies on rigorous conditions, including high-temperature and the use of strong oxidizing agents (KMnO4/H+). These disadvantages result...

A nitrene strategy for the intermolecular thermolytic cyclization of o-nitroazide to fused pyrazolotriazine

Thermolysis is a promising synthetic strategy for compounds inaccessible by direct methods. Herein, a thermolytic cyclization of a pyrazole-based o-nitroazide 3 in weak acids led to the formation of...

Synthesis and oxidation behavior of Al@Ni-Fe core-shell energetic composite powders

In this study nickel (Ni) and iron (Fe) co-deposition was performed on Al to produce Al@Ni-Fe core-shell energetic powders using electroless deposition. Energy released from Al@Ni-Fe powders in oxidizing...

Beyond conventional activation barriers: synergistic QM-MD/DFT exploration of fluorinated oxidizer-enhanced hydrocarbon decomposition

Hydrocarbon fuels are a major focus of fuel application and research due to the high volumetric calorific value. The addition of ClF3O with strong oxidizability as an initiator in fuels is considered...

Nitropyrazole energetic compounds functionalized with dinitroethyl, trinitromethyl, or oxadiazolyl group: Synthesis, structure and energetic performance

Pyrazole derivatives with polynitro groups were extensively researched in energetic material field as they show high energy density and excellent detonation properties, but the specific synthesis process...

Two-step facile access to a novel pyrazole-based high energy density oxidizer via pentanitro-functionalization

Green high-energy oxidizers are significant for solid propellants due to the reported health and environmental issues of current halogen-containing benchmark material, ammonium perchlorate. Traditional...

Nitrogen-rich triazine, triazolo and tetrazolo-triazine-based energetic compounds: A new class of fluorinated organic explosives

Various nitrogen-rich fluorinated energetic materials based on monocyclic triazine, fused triazolo-triazine, and tetrazolo-triazine backbones were synthesized and fully characterized using multinuclear...

Synthetic chemistry of energetic materials: Evolution, current trends, and AI-driven future

Energetic materials are capable of storing vast amounts of chemical energy and releasing it over a very short period of time, leading to an irreplaceable usage in both military and civilian applications....

Polynitro 1,2,3-triazole energetic materials with excellent properties through the combination of hydrogen-rich cation and N-amino group

The safety of polynitro 1,2,3-triazole energetic materials is improved by introducing hydrogen-rich cation and N-amino group to strengthen the intermolecular hydrogen bond network. 2-Amino-4-nitro-5-dinitromethyl-1H-1,2,3-triazole...

Nitrogen-rich skeleton reassembled ECOFs as energetic materials with low sensitivities and good corrosion resistance

Corrosion between energetic materials and metal containers can accelerate material aging and failure, significantly affecting the safety, reliability, and lifespan of ammunition systems. To address...

Theoretical study of the structure and energy performance of nitroformates and mono-, di-, tri- and tetranitromethanes

Using the methods of quantum chemistry and atom-atom potentials, the molecular and crystal structure of a number of nitromethanes and their salts was modeled. Their thermochemical characteristics were...

Understanding how molecular skeletal isomerism affects the stability of energetic fused-ring molecules: A comparative study of ICM-103 and NAPTO

For energetic compounds with a specific composition, isomerism represents the significant factor influencing their physicochemical properties. It is therefore becoming increasingly important to gain...

Synthesis and characterization of a new cage-like energetic compound 3,7-dinitrato-9-nitro-9-azanoradamantane

Organic cage-like frameworks are important and versatile skeletons for developing prospective energetic compounds because of their high intrinsic density, symmetry, stability, and derivability. In this...

2- Oxaadamantane-4,8,9,10-tetrayl tetranitrate: A novel oxa-type cage-like energetic compound

Polynitrooxaadamantanes have a broad application prospect in the field of energetic materials. Herein, a novel cage-like energetic compound, 2-oxaadamantane-4,8,9,10-tetrayl tetranitrate, was synthesized...

First comprehensive study of energetic (methoxy-NNO-azoxy)furazans: Novel synthetic route, characterization, and property analysis

This paper provides the first in-depth study of energetic methoxy-NNO-azoxy compounds. 3-Amino-4-(methoxy-NNO-azoxy)furazan (7) is a useful precursor to a number of high-enthalpy substituted (methoxy-NNO-azoxy)furazans...

Construction of fused N-oxide via in situ ring closure strategy: New pathway to high energy low sensitivity energetic compounds

A mild and efficient way to form fused N→O moiety by in situ ring closure reaction was proposed and studied. Compared with other methods to synthesize fused N-oxides, the new strategy is much safer...

Advancing thermal stability through positional pyrazole isomerization: Synthesis and characterization of 2’-(1H-pyrazol-4-yl)-1H,2’H-5,5’-bistetrazole and its energetic derivatives

The development of energetic compounds with superior comprehensive properties remains a central focus in energetic materials research. By employing positional pyrazole isomerization, we have successfully...

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