Bulk heterojunction solar cells based on two kinds of organic polymers and fullerene derivative

Yasuhiko Hayashi; H. Sakuragi; T. Soga; I. Alexandrou; G. A.J. Amaratunga

doi:10.1016/j.colsurfa.2007.04.162

Bulk heterojunction solar cells based on two kinds of organic polymers and fullerene derivative

Yasuhiko Hayashi, H. Sakuragi, T. Soga, I. Alexandrou, G. A.J. Amaratunga

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

25 Citations (Scopus)

Abstract

We report a study of the effect of the poly(2-methoxy-5-(2-ethylhexyloxy)-1,4-phenylenevinylene) (MEH-PPV) on the organic solar cell based on poly(3-hexylthiophene) (P3HT) and [6,6]-phenyl-C61-butyric acid methyl ester (PCBM) bulk heterojunction structure (BHJ). The most obvious effect of incorporating MEH-PPV in the P3HT:PCBM BJT solar cells was the increase in the open-circuit voltage (V_oc) from 0.38 to 0.50 V. This result is interpreted in terms of the band structure of BHJ where the energy level difference between the highest occupied molecular orbital (HOMO) of the polymer (P3HT + MEH-PPV) and the lowest occupied molecular orbital (LUMO) of PCBM is increased. The highest power conversion efficiency of 1.12% under air mass 1.5 simulated solar illumination (100 mW/cm²) was achieved from the optimized amount of MEH-PPV. The spectral response of the P3HT:PCBM BHJ solar cells is influenced by the change of molecular packing structure (interchain spacing) of P3HT by incorporating MEH-PPV.

Original language	English
Pages (from-to)	422-425
Number of pages	4
Journal	Colloids and Surfaces A: Physicochemical and Engineering Aspects
Volume	313-314
DOIs	https://doi.org/10.1016/j.colsurfa.2007.04.162
Publication status	Published - Feb 1 2008
Externally published	Yes

Keywords

Bulk heterojunction
Organic polymer
Solar cells

ASJC Scopus subject areas

Surfaces and Interfaces
Physical and Theoretical Chemistry
Colloid and Surface Chemistry

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10.1016/j.colsurfa.2007.04.162

Cite this

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title = "Bulk heterojunction solar cells based on two kinds of organic polymers and fullerene derivative",

abstract = "We report a study of the effect of the poly(2-methoxy-5-(2-ethylhexyloxy)-1,4-phenylenevinylene) (MEH-PPV) on the organic solar cell based on poly(3-hexylthiophene) (P3HT) and [6,6]-phenyl-C61-butyric acid methyl ester (PCBM) bulk heterojunction structure (BHJ). The most obvious effect of incorporating MEH-PPV in the P3HT:PCBM BJT solar cells was the increase in the open-circuit voltage (Voc) from 0.38 to 0.50 V. This result is interpreted in terms of the band structure of BHJ where the energy level difference between the highest occupied molecular orbital (HOMO) of the polymer (P3HT + MEH-PPV) and the lowest occupied molecular orbital (LUMO) of PCBM is increased. The highest power conversion efficiency of 1.12% under air mass 1.5 simulated solar illumination (100 mW/cm2) was achieved from the optimized amount of MEH-PPV. The spectral response of the P3HT:PCBM BHJ solar cells is influenced by the change of molecular packing structure (interchain spacing) of P3HT by incorporating MEH-PPV.",

keywords = "Bulk heterojunction, Organic polymer, Solar cells",

author = "Yasuhiko Hayashi and H. Sakuragi and T. Soga and I. Alexandrou and Amaratunga, {G. A.J.}",

note = "Funding Information: This work was supported by the Incorporated Administrative Agency New Energy and Industrial Technology Development Organization (NEDO) under Ministry of Economy, Trade and Industry (METI). YH would like to thank Prof. Ravi Silva at University of Surrey, UK, for useful discussion.",

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doi = "10.1016/j.colsurfa.2007.04.162",

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T1 - Bulk heterojunction solar cells based on two kinds of organic polymers and fullerene derivative

AU - Hayashi, Yasuhiko

AU - Sakuragi, H.

AU - Soga, T.

AU - Alexandrou, I.

AU - Amaratunga, G. A.J.

N1 - Funding Information: This work was supported by the Incorporated Administrative Agency New Energy and Industrial Technology Development Organization (NEDO) under Ministry of Economy, Trade and Industry (METI). YH would like to thank Prof. Ravi Silva at University of Surrey, UK, for useful discussion.

PY - 2008/2/1

Y1 - 2008/2/1

N2 - We report a study of the effect of the poly(2-methoxy-5-(2-ethylhexyloxy)-1,4-phenylenevinylene) (MEH-PPV) on the organic solar cell based on poly(3-hexylthiophene) (P3HT) and [6,6]-phenyl-C61-butyric acid methyl ester (PCBM) bulk heterojunction structure (BHJ). The most obvious effect of incorporating MEH-PPV in the P3HT:PCBM BJT solar cells was the increase in the open-circuit voltage (Voc) from 0.38 to 0.50 V. This result is interpreted in terms of the band structure of BHJ where the energy level difference between the highest occupied molecular orbital (HOMO) of the polymer (P3HT + MEH-PPV) and the lowest occupied molecular orbital (LUMO) of PCBM is increased. The highest power conversion efficiency of 1.12% under air mass 1.5 simulated solar illumination (100 mW/cm2) was achieved from the optimized amount of MEH-PPV. The spectral response of the P3HT:PCBM BHJ solar cells is influenced by the change of molecular packing structure (interchain spacing) of P3HT by incorporating MEH-PPV.

AB - We report a study of the effect of the poly(2-methoxy-5-(2-ethylhexyloxy)-1,4-phenylenevinylene) (MEH-PPV) on the organic solar cell based on poly(3-hexylthiophene) (P3HT) and [6,6]-phenyl-C61-butyric acid methyl ester (PCBM) bulk heterojunction structure (BHJ). The most obvious effect of incorporating MEH-PPV in the P3HT:PCBM BJT solar cells was the increase in the open-circuit voltage (Voc) from 0.38 to 0.50 V. This result is interpreted in terms of the band structure of BHJ where the energy level difference between the highest occupied molecular orbital (HOMO) of the polymer (P3HT + MEH-PPV) and the lowest occupied molecular orbital (LUMO) of PCBM is increased. The highest power conversion efficiency of 1.12% under air mass 1.5 simulated solar illumination (100 mW/cm2) was achieved from the optimized amount of MEH-PPV. The spectral response of the P3HT:PCBM BHJ solar cells is influenced by the change of molecular packing structure (interchain spacing) of P3HT by incorporating MEH-PPV.

KW - Bulk heterojunction

KW - Organic polymer

KW - Solar cells

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Bulk heterojunction solar cells based on two kinds of organic polymers and fullerene derivative

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Keywords

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