Engineered biomimicry for harvesting solar energy:a bird’s eye view

查看全文 作　　者：Raúl J.Martín-[1,2]Palma;Akhlesh [1,3]Lakhtakia 机构地区：[1]Materials Research Institute,The Pennsylvania State University,University Park,PA 16802,USA;[2]Department of Materials Science and Engineering,The Pennsylvania State University,University Park,PA 16802,USA;[3]Department of Engineering Science and Mechanics,The Pennsylvania State University,University Park,PA 16802,USA 出　　处：《International Journal of Smart and Nano Materials》索引2013年第4卷第2期,共8页 摘　　要：All three methodologies of engineered biomimicry–bioinspiration,biomimetics,and bioreplication–are represented in current research on harvesting solar energy.Both processes and porous surfaces inspired by plants and certain marine animals,respectively,are being investigated for solar cells.Whereas dye-sensitized solar cells deploy artificial photosynthesis,bioinspired nanostructuring of materials in solar cells improves performance.Biomimetically textured coatings for solar cells have been shown to reduce optical reflectance and increase optical absorptance over a broad spectral regime.Compound lenses fabricated by a bioreplication technique offer similar promise for reduced reflectance by increasing the angular field of view. 关 键 词：bioinspiration biomimetics bioreplication solar cell artificial photosynthesis antireflective coating engineering biomimicry