Absorption spectra modification in poly(3-hexylthiophene):methanofullerene blend thin films

Vishal Shrotriya; Jianyong Ouyang; Ricky J. Tseng; Gang Li; Yang Yang

doi:10.1016/j.cplett.2005.06.027

Absorption spectra modification in poly(3-hexylthiophene):methanofullerene blend thin films

Vishal Shrotriya, Jianyong Ouyang, Ricky J. Tseng, Gang Li, Yang Yang

Research output: Journal article publication › Journal article › Academic research › peer-review

288 Citations (Scopus)

Abstract

The absorption spectra and the photovoltaic effect in thin films consisting of a blend of p-type poly(3-hexylthiophene) and n-type acceptor [6,6]-phenyl C60 butyric acid methyl ester have been studied and a decrease in inter-band absorption in the wavelength range of 450-600 nm is observed. This absorption quenching is attributed to the disordering of the poly(3-hexylthiophene) chains and a charge transfer between poly(3-hexylthiophene) and [6,6]-phenyl C60 butyric acid methyl ester, as evidenced by FTIR and X-ray photoelectron spectra. Finally, photovoltaic cells were fabricated utilizing the blend as the active layer and the device characteristics were studied.

Original language	English
Pages (from-to)	138-143
Number of pages	6
Journal	Chemical Physics Letters
Volume	411
Issue number	1-3
DOIs	https://doi.org/10.1016/j.cplett.2005.06.027
Publication status	Published - 5 Aug 2005
Externally published	Yes

ASJC Scopus subject areas

Physics and Astronomy(all)
Physical and Theoretical Chemistry

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10.1016/j.cplett.2005.06.027

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title = "Absorption spectra modification in poly(3-hexylthiophene):methanofullerene blend thin films",

abstract = "The absorption spectra and the photovoltaic effect in thin films consisting of a blend of p-type poly(3-hexylthiophene) and n-type acceptor [6,6]-phenyl C60 butyric acid methyl ester have been studied and a decrease in inter-band absorption in the wavelength range of 450-600 nm is observed. This absorption quenching is attributed to the disordering of the poly(3-hexylthiophene) chains and a charge transfer between poly(3-hexylthiophene) and [6,6]-phenyl C60 butyric acid methyl ester, as evidenced by FTIR and X-ray photoelectron spectra. Finally, photovoltaic cells were fabricated utilizing the blend as the active layer and the device characteristics were studied.",

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AU - Shrotriya, Vishal

AU - Ouyang, Jianyong

AU - Tseng, Ricky J.

AU - Li, Gang

AU - Yang, Yang

PY - 2005/8/5

Y1 - 2005/8/5

N2 - The absorption spectra and the photovoltaic effect in thin films consisting of a blend of p-type poly(3-hexylthiophene) and n-type acceptor [6,6]-phenyl C60 butyric acid methyl ester have been studied and a decrease in inter-band absorption in the wavelength range of 450-600 nm is observed. This absorption quenching is attributed to the disordering of the poly(3-hexylthiophene) chains and a charge transfer between poly(3-hexylthiophene) and [6,6]-phenyl C60 butyric acid methyl ester, as evidenced by FTIR and X-ray photoelectron spectra. Finally, photovoltaic cells were fabricated utilizing the blend as the active layer and the device characteristics were studied.

AB - The absorption spectra and the photovoltaic effect in thin films consisting of a blend of p-type poly(3-hexylthiophene) and n-type acceptor [6,6]-phenyl C60 butyric acid methyl ester have been studied and a decrease in inter-band absorption in the wavelength range of 450-600 nm is observed. This absorption quenching is attributed to the disordering of the poly(3-hexylthiophene) chains and a charge transfer between poly(3-hexylthiophene) and [6,6]-phenyl C60 butyric acid methyl ester, as evidenced by FTIR and X-ray photoelectron spectra. Finally, photovoltaic cells were fabricated utilizing the blend as the active layer and the device characteristics were studied.

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DO - 10.1016/j.cplett.2005.06.027

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JO - Chemical Physics Letters

JF - Chemical Physics Letters

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Absorption spectra modification in poly(3-hexylthiophene):methanofullerene blend thin films

Abstract

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