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Rationalization of the Selectivity in the Optimization of Processing Conditions for High-Performance Polymer Solar Cells Based on the Polymer Self-Assembly Ability
Yan, Han; Zhu, Lingyun; Li, Denghua; Zhang, Yajie; Yi, Yuanping; Yang, Yanlian; Wei, Zhixiang; Bredas, Jean-Luc
DEC 25 2014
Source PublicationJOURNAL OF PHYSICAL CHEMISTRY C
Volume118Issue:51Pages:29473-29481
AbstractImproving device efficiency and stability of polymer solar cells (PSCs) is crucial for their practical application. Although graphene oxide (GO) could replace the poly(3,4-ethylenedioxythiophene):poly(styrenesulfonate) (PEDOT:PSS) as the hole-collection material and improve the photovoltaic stability of PSCs, the power conversion efficiency is moderate because of its insulating nature. In this article, nanocomposites of two-dimensional reduced graphene oxide (rGO) and GO are used to replace the acidic PEDOT:PSS as the hole-collection material of PSCs. The nanocomposites are formed by dispersing rGO into aqueous solution of GO. GO serves as a surfactant, and it can stabilize rGO. The presence of rGO can quench the photoluminescence of GO in water. The nanocomposite films exhibit higher conductivity than GO films without rGO. They are used as the hole-collection material of PSCs. The optimal PSCs with poly(3-hexylthiophene) and [6,6]-phenyl-C61-butyric acid methyl ester exhibit such photovoltaic performances: short-circuit current density of 10.37 mA cm(2), open-circuit voltage of 0.60 V, fill factor of 67.66%, and power conversion efficiency of 4.21%. The photovoltaic efficiency is much higher than that of the control devices with GO only (3.36%) as the hole-collection material. In addition, the presence of rGO in GO gives rise to better stability for the PSCs in air than that of the devices with GO only. The devices with rGO:GO composites as the hole-collection materials exhibit much better stability in power conversion efficiency than the control devices with PEDOT:PSS.
Indexed BySCI
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/38563
Collection其它
Recommended Citation
GB/T 7714
Yan, Han,Zhu, Lingyun,Li, Denghua,et al. Rationalization of the Selectivity in the Optimization of Processing Conditions for High-Performance Polymer Solar Cells Based on the Polymer Self-Assembly Ability[J]. JOURNAL OF PHYSICAL CHEMISTRY C,DEC ,118(51):29473-29481.
APA Yan, Han.,Zhu, Lingyun.,Li, Denghua.,Zhang, Yajie.,Yi, Yuanping.,...&Bredas, Jean-Luc.(DEC ).Rationalization of the Selectivity in the Optimization of Processing Conditions for High-Performance Polymer Solar Cells Based on the Polymer Self-Assembly Ability.JOURNAL OF PHYSICAL CHEMISTRY C,118(51),29473-29481.
MLA Yan, Han,et al."Rationalization of the Selectivity in the Optimization of Processing Conditions for High-Performance Polymer Solar Cells Based on the Polymer Self-Assembly Ability".JOURNAL OF PHYSICAL CHEMISTRY C 118.51(DEC ):29473-29481.
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