Efficiency enhancement of P3HT:PC61BM bulk heterojunction solar cells by doping with a small molecule dye

Hung Yi Chuang; Shih Wei Lin; Steve Lien Chung Hsu

doi:10.1016/j.tsf.2016.02.062

Efficiency enhancement of P3HT:PC₆₁BM bulk heterojunction solar cells by doping with a small molecule dye

Hung Yi Chuang, Shih Wei Lin, Steve Lien Chung Hsu

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

1 Citation (Scopus)

Abstract

In this study, we have enhanced the power conversion efficiency of polymer solar cell by physically doping with an organic dye into the active layer of polymer solar cells. The organic dye has complementary absorption wavelength against the polymer active layer and energy transfer effect to increase the photovoltaic current of polymer solar cells. We chose 2,3,9,10,16,17,23,24-octakis(octyloxy)-29H,31H-phthalocyanine (OPc) as an organic dye and analyzed OPc's characteristics with cyclic voltammetry (CV), UV-vis spectrometry and thermogravimetry analysis (TGA). The polymer solar cells were fabricated by blending of the organic dye into the active layer (P3HT/PC₆₁BM) with different concentrations (1.63 wt%, 3.22 wt%, 4.76 wt%, 6.30 wt%). The doped devices showed 19% increase in the power conversion efficiency (PCE). It was proved that the increase of efficiency was due to the increase of photovoltaic current based on the measurement of external quantum efficiency (EQE).

Original language	English
Pages (from-to)	317-322
Number of pages	6
Journal	Thin Solid Films
Volume	603
DOIs	https://doi.org/10.1016/j.tsf.2016.02.062
Publication status	Published - 2016 Mar 31

All Science Journal Classification (ASJC) codes

Electronic, Optical and Magnetic Materials
Surfaces and Interfaces
Surfaces, Coatings and Films
Metals and Alloys
Materials Chemistry

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10.1016/j.tsf.2016.02.062

Cite this

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title = "Efficiency enhancement of P3HT:PC61BM bulk heterojunction solar cells by doping with a small molecule dye",

abstract = "In this study, we have enhanced the power conversion efficiency of polymer solar cell by physically doping with an organic dye into the active layer of polymer solar cells. The organic dye has complementary absorption wavelength against the polymer active layer and energy transfer effect to increase the photovoltaic current of polymer solar cells. We chose 2,3,9,10,16,17,23,24-octakis(octyloxy)-29H,31H-phthalocyanine (OPc) as an organic dye and analyzed OPc's characteristics with cyclic voltammetry (CV), UV-vis spectrometry and thermogravimetry analysis (TGA). The polymer solar cells were fabricated by blending of the organic dye into the active layer (P3HT/PC61BM) with different concentrations (1.63 wt%, 3.22 wt%, 4.76 wt%, 6.30 wt%). The doped devices showed 19% increase in the power conversion efficiency (PCE). It was proved that the increase of efficiency was due to the increase of photovoltaic current based on the measurement of external quantum efficiency (EQE).",

author = "Chuang, {Hung Yi} and Lin, {Shih Wei} and Hsu, {Steve Lien Chung}",

note = "Funding Information: The financial support provided by the National Science Council (Taiwan, ROC) through project NSC 100-2221-E-006-052-MY3 is greatly appreciated. Publisher Copyright: {\textcopyright} 2016 Elsevier B.V. All rights reserved.",

year = "2016",

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doi = "10.1016/j.tsf.2016.02.062",

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AU - Hsu, Steve Lien Chung

N1 - Funding Information: The financial support provided by the National Science Council (Taiwan, ROC) through project NSC 100-2221-E-006-052-MY3 is greatly appreciated. Publisher Copyright: © 2016 Elsevier B.V. All rights reserved.

PY - 2016/3/31

Y1 - 2016/3/31

N2 - In this study, we have enhanced the power conversion efficiency of polymer solar cell by physically doping with an organic dye into the active layer of polymer solar cells. The organic dye has complementary absorption wavelength against the polymer active layer and energy transfer effect to increase the photovoltaic current of polymer solar cells. We chose 2,3,9,10,16,17,23,24-octakis(octyloxy)-29H,31H-phthalocyanine (OPc) as an organic dye and analyzed OPc's characteristics with cyclic voltammetry (CV), UV-vis spectrometry and thermogravimetry analysis (TGA). The polymer solar cells were fabricated by blending of the organic dye into the active layer (P3HT/PC61BM) with different concentrations (1.63 wt%, 3.22 wt%, 4.76 wt%, 6.30 wt%). The doped devices showed 19% increase in the power conversion efficiency (PCE). It was proved that the increase of efficiency was due to the increase of photovoltaic current based on the measurement of external quantum efficiency (EQE).

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