| Improved performance of P3HT：PCBM solar cells by both anode modification and short-wavelength energy utilization using Tb（aca）3phen |
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| 引用本文： | 卓祖亮,王永生,何大伟,富鸣.Improved performance of P3HT：PCBM solar cells by both anode modification and short-wavelength energy utilization using Tb（aca）3phen[J].中国物理 B,2014(9):585-589. |
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| 作者姓名： | 卓祖亮 王永生 何大伟 富鸣 |
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| 作者单位： | Key Laboratory of Luminescence and Optical Information of the Ministry of Education, Beijing Jiaotong University, Beijing 100044, China |
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| 基金项目： | supported by the National Basic Research Program of China(Grant Nos.2011CB932700 and 2011CB932703);the National Outstanding Youth Science Foundation of China(Grant No.60825407);the National Natural Science Foundation of China(Grant Nos.61335006,61378073,60877025,61077044,and 91123025);the Beijing Natural Science Foundation,China(Grant No.4132031);the Fundamental Research Funds for the Central Universities,China(Grant No.2012YJS116) |
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| 摘 要： | The performance of P3HT:PCBM solar cells was improved by anode modification using spin-coated Tb(aca)3phen ultrathin films. The modification of the Tb(aca)3phen ultrathin film between the indium tin oxide(ITO) anode and the PEDOT:PSS layer resulted in a maximum power conversion efficiency(PCE) of 2.99% compared to 2.66% for the reference device, which was due to the increase in the short-circuit current density(Jsc). The PCE improvement could be attributed to the short-wavelength energy utilization and the optimized morphology of the active layers. Tb(aca)3phen with its strong down-conversion luminescence properties is suitable for the P3HT:PCBM blend active layer, and the absorption region of the ternary blend films is extended into the near ultraviolet region. Furthermore, the crystallization and the surface morphology of P3HT:PCBM films were improved with the Tb(aca)3phen ultrathin film. The ultraviolent–visible absorption spectra,atomic force microscope(AFM), and X-ray diffraction(XRD) of the films were investigated. Both anode modification and short-wavelength energy utilization using Tb(aca)3phen in P3HT:PCBM solar cells led to about a 12% PCE increase.
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| 关 键 词： | P3HT:PCBM anode modification polymer solar cells |
Improved performance of P3HT:PCBM solar cells by both anode modification and short-wavelength energy utilization using Tb(aca)_3phen |
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| Zhuo Zu-Liang;Wang Yong-Sheng;He Da-Wei;Fu Ming.Improved performance of P3HT:PCBM solar cells by both anode modification and short-wavelength energy utilization using Tb(aca)_3phen[J].Chinese Physics B,2014(9):585-589. |
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| Authors: | Zhuo Zu-Liang;Wang Yong-Sheng;He Da-Wei;Fu Ming |
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| Abstract: | P3HT：PCBM, anode modification, polymer solar cells |
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| Keywords: | PHT PCBM anode modification polymer solar cells |
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