| Xuan Yu,Xiao-ming Yu,Zi-yang Hu,Jian-jun Zhang,Gengshen Zhao,Ying Zhao.Efficiency enhancement of polymer solar cells by post-additional annealing treatment[J].Optoelectronics Letters,2013,9(4):274-277 |
| Efficiency enhancement of polymer solar cells by post-additional annealing treatment |
| Author Name | Affiliation | E-mail | | Xuan Yu | Key Laboratory of Photo-electronic Thin Film Devices and Technology of Tianjin, Key Laboratory of Opto-electronic Information Science and Technology for Ministry of Education, Institute of Photo-electronic Thin Film Devices and Technology, Nankai University, Tianjin, 300071, China | | | Xiao-ming Yu | Key Laboratory of Photo-electronic Thin Film Devices and Technology of Tianjin, Key Laboratory of Opto-electronic Information Science and Technology for Ministry of Education, Institute of Photo-electronic Thin Film Devices and Technology, Nankai University, Tianjin, 300071, China | | | Zi-yang Hu | Key Laboratory of Photo-electronic Thin Film Devices and Technology of Tianjin, Key Laboratory of Opto-electronic Information Science and Technology for Ministry of Education, Institute of Photo-electronic Thin Film Devices and Technology, Nankai University, Tianjin, 300071, China | | | Jian-jun Zhang | Key Laboratory of Photo-electronic Thin Film Devices and Technology of Tianjin, Key Laboratory of Opto-electronic Information Science and Technology for Ministry of Education, Institute of Photo-electronic Thin Film Devices and Technology, Nankai University, Tianjin, 300071, China | jjzhang@nankai.edu.cn | | Gengshen Zhao | Key Laboratory of Photo-electronic Thin Film Devices and Technology of Tianjin, Key Laboratory of Opto-electronic Information Science and Technology for Ministry of Education, Institute of Photo-electronic Thin Film Devices and Technology, Nankai University, Tianjin, 300071, China | | | Ying Zhao | Key Laboratory of Photo-electronic Thin Film Devices and Technology of Tianjin, Key Laboratory of Opto-electronic Information Science and Technology for Ministry of Education, Institute of Photo-electronic Thin Film Devices and Technology, Nankai University, Tianjin, 300071, China | |
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| Abstract: |
| We adopt the post-additional thermal annealing (PATA) process to optimize the performance of the polymer solar cells (PSCs) with an active layer composed of a blend of regioregular poly (3-hexythiophene) (RR-P3HT) and fullerenes. It is found that compared with general annealing process, the crystallinity of RR-P3HT by PATA is enhanced, and the absorption peak is raised obviously at ～500 nm after PATA. With the optimized annealing conditions, the device shows an enhancement of 31% in short circuit current density, 5% in open circuit voltage (V oc), and 11% in the power conversion efficiency (PCE) compared with that of the general annealing device. |
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