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All thermal-evaporated surface plasmon enhanced organic solar cells by Au nanoparticles
Affiliation:1. State Key Laboratory of Luminescence and Applications, Changchun Institute of Optics, Fine Mechanics, and Physics, Chinese Academy of Sciences, Changchun 130033, People''s Republic of China;2. University of Chinese Academy of Sciences, Beijing 100039, People''s Republic of China;1. School of Physical Science and Technology, Southwest University, Chongqing 400715, People''s Republic of China;2. College of Physics and Electronic Engineering, Chongqing Normal University, Chongqing 401331, People''s Republic of China;1. LPMMAT, Faculté des Sciences Ain Chock, HASSAN II University, Casablanca, Morocco;2. IPCMS, UMR 7504 CNRS-UDS, 23 rue du Loess, BP 43, 67034 Strasbourg Cedex 2, France;3. ESITH, Higher School of Textile Industries and Clothing, Casablanca, Morocco;4. University of Strasbourg, ICube, UMR 7357 CNRS-UDS, 23 rue du Loess, BP 20CR, 67037 Strasbourg Cedex, France;5. Kochi University of Technology, 185 Miyanoguchi Tosayamada Kochi, 782-8502 Japan;1. School of Physical Electronics, University of Electronic Science and Technology of China, Chengdu 610054, China;2. College of Optoelectronic Technology, Chengdu University of Information Technology, Chengdu 610225, China;3. National Key Laboratory of Electromagnetic Environment, China Research Institute of Radiowave Propagation, Qingdao 266107, China;1. Department of Physics, China University of Mining and Technology, Xuzhou, Jiangsu 221116, PR China;2. College of Mathematica, Physics and Engineering, Jiaxing University, Jiaxing, Zhejiang 314001, PR China
Abstract:Au nanoparticles (NPs) are fabricated on indium-tin-oxide substrates by a thermal evaporation method and incorporated to an efficient small molecule organic solar cell (OSC). This renders an all thermal evaporated surface plasmon enhanced OSC. The optimized device shows a power conversion efficiency of 3.40%, which is 14% higher than that of the reference device without Au NPs. The improvement is mainly contributed to the increased short-circuit current which resulted from the enhanced light harvesting due to localized surface plasmon resonance of Au NPs and the increased conductivity of the device.
Keywords:Organic solar cell  Small molecule  Localized surface plasmon resonance  Metal nanoparticle
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