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Semiconductor quantum dots (QDs) and single-walled carbon nanotubes (SWCNTs) are two examples of low-dimensional nanomaterials. This book investigates QDs and SWCNTs using quantum-chemical calculations that describe details of excited state phenomena, and provides information about the mechanisms that occur on the atomic level. Rapid advances in chemical synthesis and fabrication techniques have led to novel nano-sized materials that exhibit original and often unforeseen properties. One of the greatest advantages of these nano-systems is that their electronic and optical properties can be controlled, not only by the material's inherent features, but also by the sample's size, shape, and topology. This flexibility makes them ideal for applications in several fields, ranging from electronics and optelectronics to biology and medicine. However, in order to design nanoelectronic devices, a clear understanding of their fundamental properties is needed.
More energy from the sun strikes Earth in an hour than is consumed by humans in an entire year. Efficiently harnessing solar power for sustainable generation of hydrogen requires low-cost, purpose-built, functional materials combined with inexpensive large-scale manufacturing methods. These issues are comprehensively addressed in On Solar Hydrogen & Nanotechnology – an authoritative, interdisciplinary source of fundamental and applied knowledge in all areas related to solar hydrogen. Written by leading experts, the book emphasizes state-of-the-art materials and characterization techniques as well as the impact of nanotechnology on this cutting edge field. Addresses the current status and prospects of solar hydrogen, including major achievements, performance benchmarks, technological limitations, and crucial remaining challenges Covers the latest advances in fundamental understanding and development in photocatalytic reactions, semiconductor nanostructures and heterostructures, quantum confinement effects, device fabrication, modeling, simulation, and characterization techniques as they pertain to solar generation of hydrogen Assesses and establishes the present and future role of solar hydrogen in the hydrogen economy Contains numerous graphics to illustrate concepts, techniques, and research results On Solar Hydrogen & Nanotechnology is an essential reference for materials scientists, physical and inorganic chemists, electrochemists, physicists, and engineers carrying out research on solar energy, photocatalysis, or semiconducting nanomaterials, both in academia and industry. It is also an invaluable resource for graduate students and postdoctoral researchers as well as business professionals and consultants with an interest in renewable energy.
Proceedings of the NATO Advanced Study Institute on Carbon Nanotubes: From Basic Research to Nanotechnology, Sozopol, Bulgaria, 21-31 May 2005

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