초록

The invention provides methods for making homogeneous metal oxide nanoenergetic composites. A method of the invention forms a metal oxide nanostructure via a sol-gel process with surfactant templating. Metal nanoparticles are introduced into the metal oxide nanostructure via wet impregnation.

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1. A method for making homogeneous mesoporous metal oxide nanoenergetic composite, the method comprising: forming a metal oxide nanostructure via a sol-gel process with surfactant templating; andintroducing metal nanoparticles into the metal oxide nanostructure via wet impregnation, wherein said met

1. A method for making homogeneous mesoporous metal oxide nanoenergetic composite, the method comprising: forming a metal oxide nanostructure via a sol-gel process with surfactant templating; andintroducing metal nanoparticles into the metal oxide nanostructure via wet impregnation, wherein said metal oxide comprises CuO, and said step of forming comprises:preparing a surfactant solution of a surfactant in a solvent;dissolving a water-soluble copper compound in water;diluting the surfactant solution to make nanoparticles of the desired size and shape;combining the diluted surfactant solution with the dissolved copper compound to make a liquid mixture;sonicating the liquid mixture;adding gelling agent to the liquid mixture;vigorously agitating the liquid mixture prior to formation of copper hydroxide gel;allowing the copper hydroxide gel to form;aging the copper hydroxide gel;washing the copper hydroxide gel in ethanol;calcining the copper hydroxide gel to form the metal oxide nanostructure. 2. The method of claim 1, wherein the sufactannt comprises poloxamer. 3. The method of claim 1, wherein the metal nanoparticles comprise Al nanoparticles. 4. A method for making homogeneous mesoporous metal oxide nanoenergetic composite, the method comprising: forming a metal oxide nanostructure via a sol-gel process with surfactant templating; andintroducing metal nanoparticles into the metal oxide nanostructure via wet impregnation, wherein said step of forming comprises:reacting metal salts in solution;adjusting the pH of the solution;heating the solution to obtain a precipitate;purifying and drying the precipitate to obtain a powder;calcinating the powder to obtain the metal oxide nanostructure. 5. The method of claim 1, wherein the metal salts comprise an alcohol-soluble copper salt and the solution comprises alcohol. 6. A method for making homogeneous mesoporous metal oxide nanoenergetic composite, the method comprising: preparing a solution of copper hydroxide copper chloride and a surfactant;introducing a gelling agent into the solution to form a gel;treating the gel with solvent to remove impurities;calcinating the gel to form homogenous CuO oxide nanoparticle material; andmixing metal fuel nanoparticles with the material to form the homogenous mesoporous metal oxide nanoenergetic composite. 7. The method of claim 6, wherein the gel is aged before said treating for a period of 24-48 hours. 8. The method of claim 6, wherein said treating comprises washing with ethanol through stirring for a predetermined period. 9. The method of claim 6, wherein the ratio of CuO oxide nanoparticle material to metal fuel nanoparticles is 1:4. 10. The method of claim 1, wherein said mixing further comprises incorporating a gas generating polymer.