Preparations and Energetic Applications of Si Nanowires
Rapid increase of global population and living standards requires ever more energy that can be produced without devastating environment effects, a need that can only be met by renewable sources such as solar energy. The development of solar energy research is impeded by the lack of suitable materials that deliver meaningful efficiencies at low cost. Solutions to this long-standing efficiency cost challenge may lie in an emerging new class of materials, nanowires. As an anisotropic structure, they exhibit properties different from their bulk counterparts. This review article is put together with this background in mind and aims at providing an overview of Si nanowires within the context of energy conversion. The syntheses of Si nanowires, grouped as bottom-up and top-down methods, are summarized, and an emphasis is placed on discussing the challenges and opportunities of the bottom-up approach owing to its potential scalability and low cost. Relevant reports concerning light-to-electricity or light-to-chemical conversion using Si nanowires are also examined.
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Document Type: Review Article
Publication date: 01 December 2010
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- Science of Advanced Materials (SAM) is an interdisciplinary peer-reviewed journal consolidating research activities in all aspects of advanced materials in the fields of science, engineering and medicine into a single and unique reference source. SAM provides the means for materials scientists, chemists, physicists, biologists, engineers, ceramicists, metallurgists, theoreticians and technocrats to publish original research articles as reviews with author's photo and short biography, full research articles and communications of important new scientific and technological findings, encompassing the fundamental and applied research in all latest aspects of advanced materials.
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