The effects of processing conditions on polymer photovoltaic device performance

A. J. Breeze; G. Rumbles; B. A. Gregg; D. S. Ginley

doi:10.1117/12.531846

The effects of processing conditions on polymer photovoltaic device performance

A. J. Breeze, G. Rumbles, B. A. Gregg, D. S. Ginley

National Renewable Energy Laboratory

Research output: Contribution to journal › Conference article › peer-review

2 Citations (Scopus)

Abstract

The work reported here explores the impact of polymer morphology on the physics and performance of perylene benzimidazole / poly(3-hexylthiophene) bilayer photovoltaic devices. By varying both the annealing temperature and the solvent used for polymer deposition, we demonstrate control of the polymer chain morphology. An increase in the relative ordering of the polymer chain conformation is observed through a shift in the absorption onset and absorption spectral shape, and results in improved photovoltaic performance.

Original language	English
Pages (from-to)	271-275
Number of pages	5
Journal	Proceedings of SPIE - The International Society for Optical Engineering
Volume	5215
DOIs	https://doi.org/10.1117/12.531846
Publication status	Published - 2004
Event	Organic Photovoltaics IV - San Diego, CA, United States Duration: Aug 7 2003 → Aug 8 2003

Keywords

Heterojunction
Organic solar cells
Polymer
Polymer ordering
Small molecule organics

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Computer Science Applications
Applied Mathematics
Electrical and Electronic Engineering

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AU - Rumbles, G.

AU - Gregg, B. A.

AU - Ginley, D. S.

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AB - The work reported here explores the impact of polymer morphology on the physics and performance of perylene benzimidazole / poly(3-hexylthiophene) bilayer photovoltaic devices. By varying both the annealing temperature and the solvent used for polymer deposition, we demonstrate control of the polymer chain morphology. An increase in the relative ordering of the polymer chain conformation is observed through a shift in the absorption onset and absorption spectral shape, and results in improved photovoltaic performance.

KW - Heterojunction

KW - Organic solar cells

KW - Polymer

KW - Polymer ordering

KW - Small molecule organics

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JF - Proceedings of SPIE - The International Society for Optical Engineering

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