Thermal annealing influence on poly(3-hexyl-thiophene)/phenyl-C61-butyric acid methyl ester-based solar cells with anionic conjugated polyelectrolyte as cathode interface layer

Ting Shi; Xiaoguang Zhu; Dong Yang; Yanhua Xie; Jian Zhang; Guoli Tu

doi:10.1063/1.4759148

Thermal annealing influence on poly(3-hexyl-thiophene)/phenyl-C61-butyric acid methyl ester-based solar cells with anionic conjugated polyelectrolyte as cathode interface layer

Ting Shi, Xiaoguang Zhu, Dong Yang, Yanhua Xie, Jian Zhang, Guoli Tu

Materials Science and Engineering

Research output: Contribution to journal › Article › peer-review

20 Scopus citations

Abstract

Thermal annealing dependent performance was demonstrated in poly(3-hexyl-thiophene):phenyl-C61-butyric acid methyl ester based organic photovoltaics with anionic conjugated polyelectrolyte (PF _EOSO ₃Na) as the cathode interface layer. The best performance can be achieved when the device based PF _EOSO ₃Na was treated by post-annealing, exhibiting about 20 higher power conversion efficiency than the control device. Atomic force microscopy studies showed that the morphology of interface layers changed under different device treatment processes, leading to various electron extraction efficiencies. Compared with different interface materials, it further demonstrated the best charge extraction efficiency in the device with PF _EOSO ₃Na layer, due to its stronger interface dipole.

Original language	English (US)
Article number	161602
Journal	Applied Physics Letters
Volume	101
Issue number	16
DOIs	https://doi.org/10.1063/1.4759148
State	Published - Oct 15 2012

All Science Journal Classification (ASJC) codes

Physics and Astronomy (miscellaneous)

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10.1063/1.4759148

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title = "Thermal annealing influence on poly(3-hexyl-thiophene)/phenyl-C61-butyric acid methyl ester-based solar cells with anionic conjugated polyelectrolyte as cathode interface layer",

abstract = "Thermal annealing dependent performance was demonstrated in poly(3-hexyl-thiophene):phenyl-C61-butyric acid methyl ester based organic photovoltaics with anionic conjugated polyelectrolyte (PF EOSO 3Na) as the cathode interface layer. The best performance can be achieved when the device based PF EOSO 3Na was treated by post-annealing, exhibiting about 20 higher power conversion efficiency than the control device. Atomic force microscopy studies showed that the morphology of interface layers changed under different device treatment processes, leading to various electron extraction efficiencies. Compared with different interface materials, it further demonstrated the best charge extraction efficiency in the device with PF EOSO 3Na layer, due to its stronger interface dipole.",

author = "Ting Shi and Xiaoguang Zhu and Dong Yang and Yanhua Xie and Jian Zhang and Guoli Tu",

note = "Funding Information: This work was financially supported by the National Natural Science Foundation of China under Grant Nos. 51073063 and 20904057. We also thank the HUST Analytical and Testing Center for allowing us to use its facilities. J. Zhang acknowledges support by 100 Talents Program of the Chinese Academy of Sciences.",

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doi = "10.1063/1.4759148",

language = "English (US)",

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journal = "Applied Physics Letters",

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T1 - Thermal annealing influence on poly(3-hexyl-thiophene)/phenyl-C61-butyric acid methyl ester-based solar cells with anionic conjugated polyelectrolyte as cathode interface layer

AU - Shi, Ting

AU - Zhu, Xiaoguang

AU - Yang, Dong

AU - Xie, Yanhua

AU - Zhang, Jian

AU - Tu, Guoli

N1 - Funding Information: This work was financially supported by the National Natural Science Foundation of China under Grant Nos. 51073063 and 20904057. We also thank the HUST Analytical and Testing Center for allowing us to use its facilities. J. Zhang acknowledges support by 100 Talents Program of the Chinese Academy of Sciences.

PY - 2012/10/15

Y1 - 2012/10/15

N2 - Thermal annealing dependent performance was demonstrated in poly(3-hexyl-thiophene):phenyl-C61-butyric acid methyl ester based organic photovoltaics with anionic conjugated polyelectrolyte (PF EOSO 3Na) as the cathode interface layer. The best performance can be achieved when the device based PF EOSO 3Na was treated by post-annealing, exhibiting about 20 higher power conversion efficiency than the control device. Atomic force microscopy studies showed that the morphology of interface layers changed under different device treatment processes, leading to various electron extraction efficiencies. Compared with different interface materials, it further demonstrated the best charge extraction efficiency in the device with PF EOSO 3Na layer, due to its stronger interface dipole.

AB - Thermal annealing dependent performance was demonstrated in poly(3-hexyl-thiophene):phenyl-C61-butyric acid methyl ester based organic photovoltaics with anionic conjugated polyelectrolyte (PF EOSO 3Na) as the cathode interface layer. The best performance can be achieved when the device based PF EOSO 3Na was treated by post-annealing, exhibiting about 20 higher power conversion efficiency than the control device. Atomic force microscopy studies showed that the morphology of interface layers changed under different device treatment processes, leading to various electron extraction efficiencies. Compared with different interface materials, it further demonstrated the best charge extraction efficiency in the device with PF EOSO 3Na layer, due to its stronger interface dipole.

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Thermal annealing influence on poly(3-hexyl-thiophene)/phenyl-C61-butyric acid methyl ester-based solar cells with anionic conjugated polyelectrolyte as cathode interface layer

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