High-efficiency photovoltaic devices based on annealed poly(3-hexylthiophene) and 1-(3-methoxycarbonyl)-propyl-1- phenyl- (6,6) C61 blends

Marisol Reyes-Reyes; Kyungkon Kim; David L. Carroll

doi:10.1063/1.2006986

High-efficiency photovoltaic devices based on annealed poly(3-hexylthiophene) and 1-(3-methoxycarbonyl)-propyl-1- phenyl- (6,6) C61 blends

Marisol Reyes-Reyes, Kyungkon Kim, David L. Carroll

Department of Chemistry & Nanoscience

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

1153 Scopus citations

Abstract

The effects of annealing and fullerene loading in regioregular poly(3-hexylthiophene) (P3HT) and 1-(3-methoxycarbonyl)-propyl-1-phenyl- (6,6) C61 (PCBM) based bulk heterojunction photovoltaics have been investigated. Under specific loading and annealing conditions, a combination of morphological and electronic factors can be brought to play to achieve optimal filling factors, open-circuit voltage (Voc), and short-circuit current density (Jsc). We demonstrate that this occurs at surprisingly low loadings of PCBM and annealing temperatures nearing the melting point of the polymer. Further, we report power conversion efficiencies approaching 5% in the P3HT:PCBM system.

Original language	English
Article number	083506
Journal	Applied Physics Letters
Volume	87
Issue number	8
DOIs	https://doi.org/10.1063/1.2006986
State	Published - 22 Aug 2005

Bibliographical note

Funding Information:
One of the authors (M.R.R.) thanks Dr. R. López-Sandoval for many fruitful discussion. This work was supported at Wake Forest University by the Air Force Office of Sponsored Research (AFOSR) under Grant No. FA9550-04-1-0161.

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10.1063/1.2006986

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title = "High-efficiency photovoltaic devices based on annealed poly(3-hexylthiophene) and 1-(3-methoxycarbonyl)-propyl-1- phenyl- (6,6) C61 blends",

abstract = "The effects of annealing and fullerene loading in regioregular poly(3-hexylthiophene) (P3HT) and 1-(3-methoxycarbonyl)-propyl-1-phenyl- (6,6) C61 (PCBM) based bulk heterojunction photovoltaics have been investigated. Under specific loading and annealing conditions, a combination of morphological and electronic factors can be brought to play to achieve optimal filling factors, open-circuit voltage (Voc), and short-circuit current density (Jsc). We demonstrate that this occurs at surprisingly low loadings of PCBM and annealing temperatures nearing the melting point of the polymer. Further, we report power conversion efficiencies approaching 5% in the P3HT:PCBM system.",

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AU - Kim, Kyungkon

AU - Carroll, David L.

N1 - Funding Information: One of the authors (M.R.R.) thanks Dr. R. López-Sandoval for many fruitful discussion. This work was supported at Wake Forest University by the Air Force Office of Sponsored Research (AFOSR) under Grant No. FA9550-04-1-0161.

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N2 - The effects of annealing and fullerene loading in regioregular poly(3-hexylthiophene) (P3HT) and 1-(3-methoxycarbonyl)-propyl-1-phenyl- (6,6) C61 (PCBM) based bulk heterojunction photovoltaics have been investigated. Under specific loading and annealing conditions, a combination of morphological and electronic factors can be brought to play to achieve optimal filling factors, open-circuit voltage (Voc), and short-circuit current density (Jsc). We demonstrate that this occurs at surprisingly low loadings of PCBM and annealing temperatures nearing the melting point of the polymer. Further, we report power conversion efficiencies approaching 5% in the P3HT:PCBM system.

AB - The effects of annealing and fullerene loading in regioregular poly(3-hexylthiophene) (P3HT) and 1-(3-methoxycarbonyl)-propyl-1-phenyl- (6,6) C61 (PCBM) based bulk heterojunction photovoltaics have been investigated. Under specific loading and annealing conditions, a combination of morphological and electronic factors can be brought to play to achieve optimal filling factors, open-circuit voltage (Voc), and short-circuit current density (Jsc). We demonstrate that this occurs at surprisingly low loadings of PCBM and annealing temperatures nearing the melting point of the polymer. Further, we report power conversion efficiencies approaching 5% in the P3HT:PCBM system.

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High-efficiency photovoltaic devices based on annealed poly(3-hexylthiophene) and 1-(3-methoxycarbonyl)-propyl-1- phenyl- (6,6) C61 blends

Abstract

Bibliographical note

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