Global energy demand is growingat an alarming and unsustainable rate,drawing mainly on the use of fossilfuels. These reserves are decreasingrapidly and becoming increasingly expensive.The associated emissions ofgreenhouse gases and other toxic pollutantsare becoming environmentallyunacceptable. Energy security has becomea major issue as fossil fuels areconfi ned to few areas in the world andtheir availability is controlled by political,economic, and ecological factors.A global coherent energy strategythat encompasses the entire energy lifecycle is required in order to address allthe forms of energy harvesting, storage,conversion, transmission, and distribution.Hybrid nanomaterial systemshold the key to fundamental advancesin direct renewable energy and energystorage and conversion which areneeded to enable renewable energy and meet the general energy challenges andassociated environmental effects. Thispaper presents new approaches andmethodologies used to design and developcarbon nanotube nanostructuredhybrid nanomaterial systems incorporatingstructural and light-absorbingelectron donor polymers, inorganicsemiconductors, metallic and ceramicnanoparticles as energy harvesting andstorage systems.
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