| CROSS-DISCIPLINARY PHYSICS AND RELATED AREAS OF SCIENCE AND TECHNOLOGY |
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The Effect of Using 1-Dodecanethiol as a Processing Additive on the Performances of Polymer Solar Cells |
| YANG Shao-Peng**, WANG Tie-Ning, SHI Jiang-Bo, ZHANG Ye, LI Xiao-Wei, FU Guang-Sheng |
Hebei Key Laboratory of Optic-Electronic Information Materials, College of Physics Science and Technology, Hebei University, Baoding 071002
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| Cite this article: |
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YANG Shao-Peng, WANG Tie-Ning, SHI Jiang-Bo et al 2013 Chin. Phys. Lett. 30 108401 |
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Abstract We introduce 1-Dodecanethiol (DT) to poly(3-hexylthiophene) (P3HT)/[6,6]-phenyl-C61-butyric acid methyl ester based polymer solar cells as a processing additive. When the amount of DT is 1vol%, the device performance is best. A final power conversion efficiency of 3.1% is achieved, which is an improvement of more than 40% compared to the reference solar cell without DT. To investigate the causes of improvement of the PCE, UV-vis spectroscopy, external quantum efficiency (EQE) is measured and an AFM is used. The enhanced photovoltaic performances are discussed in terms of optical properties and the film morphology.
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Received: 23 August 2013
Published: 21 November 2013
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| PACS: |
84.60.Jt
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(Photoelectric conversion)
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72.80.Le
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(Polymers; organic compounds (including organic semiconductors))
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64.75.Jk
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(Phase separation and segregation in nanoscale systems)
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