Solution-processed vanadium oxide thin film as the hole extraction layer for efficient hysteresis-free perovskite hybrid solar cells |
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| Affiliation: | 1. Institute of Polymer Optoelectronic Materials and Devices, State Key Laboratory of Luminescent Materials & Devices, South China University of Technology, Guangzhou 510640, PR China;2. College of Polymer Science and Polymer Engineering, The University of Akron, OH 44325, USA;1. Key Laboratory of Nonferrous Metal Chemistry and Resources Utilization of Gansu Province and State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000, People''s Republic of China;2. Xinjiang Institute of Engineering, Urumchi 830091, People''s Republic of China;1. State Key Laboratory of Luminescence and Applications, Changchun Institute of Optics, Fine Mechanics, and Physics, Chinese Academy of Sciences, Changchun 130033, PR China;2. University of Chinese Academy of Sciences, Beijing 100049, PR China;3. Center of Super-Diamond and Advanced Films (COSDAF), City University of Hong Kong, Hong Kong, China;4. Institute of Functional Nano & Soft Materials (FUNSOM) and Collaborative Innovation Center of Suzhou Nano Science & Technology, Soochow University, Suzhou 215123, PR China;5. State Key Laboratory on Integrated Optoelectronics, College of Electronic Science and Engineering, Jilin University, Changchun 130012, PR China;1. Low Dimensional Materials Research Centre, Department of Physics, Faculty of Science, University of Malaya, 50603 Kuala Lumpur, Malaysia;2. Centre of Nanotechnology, King Abdulaziz University, Jeddah, 21589, Saudi Arabia;3. International Institute of Advanced Islamic Studies (IAIS) Malaysia, Jalan Ilmu, Off Jalan Universiti, 59100 Kuala Lumpur, Malaysia;4. Advanced Membrane Technology Research Centre, Universiti Teknologi Malaysia, 81310 UTM Johor Bahru, Johor, Malaysia;1. The State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, People''s Republic of China;2. University of Chinese Academy of Sciences, Beijing 100049, People''s Republic of China;1. School of Material Science and Engineering, Shanghai University, Yanchang Road 149, 200072, Shanghai, People''s Republic of China;2. Key Laboratory of Advanced Display and System Applications, Ministry of Education, Shanghai University, Yanchang Road 149, 200072, Shanghai, People''s Republic of China |
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| Abstract: | In this study, we report a simple way to fabricate VOx thin film from pure-water solution, as the hole extraction layer (HEL) for perovskite hybrid solar cells (pero-HSCs). Furthermore, an aminopropanoic acid (APPA) interfacial layer is used to modify VOx thin film for reducing the charge carrier recombination rate. As a result, the pero-HSCs with the VOx/APPA HEL exhibits better device performance than that of the pero-HSCs with the VOx HEL and the pero-HSCs with poly(3,4-ethylenedioxythiophene):poly-(styrenesulfonate) HEL. Moreover, the pero-HSCs with the VOx/APPA HEL exhibits hysteresis-free characteristics. All these results indicate that we report a simple approach to realize high performance of perovskite hybrid solar cells. |
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| Keywords: | Perovskite hybrid solar cells Solution-processed vanadium oxide Hole extraction layer Surface modification Hysteresis-free |
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