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

Research output: Contribution to journalArticle

17 Citations (Scopus)

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 languageEnglish (US)
Article number161602
JournalApplied Physics Letters
Volume101
Issue number16
DOIs
StatePublished - Oct 15 2012

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butyric acid
thiophenes
esters
solar cells
cathodes
annealing
control equipment
atomic force microscopy
dipoles
electrons

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy (miscellaneous)

Cite this

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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.",
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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. / Shi, Ting; Zhu, Xiaoguang; Yang, Dong; Xie, Yanhua; Zhang, Jian; Tu, Guoli.

In: Applied Physics Letters, Vol. 101, No. 16, 161602, 15.10.2012.

Research output: Contribution to journalArticle

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AU - Xie, Yanhua

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AU - Tu, Guoli

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