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Title: In-situ Roll-to-Roll Printing of Highly Efficient Organic Solar Cells

Abstract

This project focuses on developing a roll-to-roll printing setup for organic solar cells with the capability to follow the film formation in situ with small and wide angle X-ray scattering, and to improve the performance of printed organic solar cells. We demonstrated the use of the printing setup to capture important aspects of existing industrial printing methods, which ensures that the solar cell performance achieved in our printing experiments would be largely retained in an industrial fabrication process. We employed both known and newly synthesized polymers as the donor and acceptor materials, and we studied the morphological changes in real time during the printing process by X-ray scattering. Our experimental efforts are also accompanied by theoretical modeling of both the fluid dynamic aspects of the printing process and the nucleation and crystallization kinetics during the film formation. The combined insight into the printing process gained from the research provides a detailed understanding of the factors governing the printed solar cell’s performance. Finally using the knowledge we gained, we demonstrated large area ( > 10 cm2) printed organic solar cells with more than 5 percent power conversion efficiency, which is best achieved performance for roll-to-roll printed organic solar cells.

Authors:
 [1];  [2];  [3]
  1. Stanford Univ., CA (United States)
  2. SLAC National Accelerator Lab., Menlo Park, CA (United States)
  3. Cornell Univ., Ithaca, NY (United States)
Publication Date:
Research Org.:
SLAC National Accelerator Lab., Menlo Park, CA (United States)
Sponsoring Org.:
USDOE Office of Energy Efficiency and Renewable Energy (EERE), Solar Energy Technologies Office (EE-4S)
OSTI Identifier:
1254786
Report Number(s):
DOE-SLAC-0005960
DOE Contract Number:  
EE0005960
Resource Type:
Technical Report
Country of Publication:
United States
Language:
English
Subject:
14 SOLAR ENERGY; Polymer solar cell; roll-to-roll printing; X-ray; morphology

Citation Formats

Bao, Zhenan, Toney, Michael, and Clancy, Paulette. In-situ Roll-to-Roll Printing of Highly Efficient Organic Solar Cells. United States: N. p., 2016. Web.
Bao, Zhenan, Toney, Michael, & Clancy, Paulette. In-situ Roll-to-Roll Printing of Highly Efficient Organic Solar Cells. United States.
Bao, Zhenan, Toney, Michael, and Clancy, Paulette. Mon . "In-situ Roll-to-Roll Printing of Highly Efficient Organic Solar Cells". United States.
@article{osti_1254786,
title = {In-situ Roll-to-Roll Printing of Highly Efficient Organic Solar Cells},
author = {Bao, Zhenan and Toney, Michael and Clancy, Paulette},
abstractNote = {This project focuses on developing a roll-to-roll printing setup for organic solar cells with the capability to follow the film formation in situ with small and wide angle X-ray scattering, and to improve the performance of printed organic solar cells. We demonstrated the use of the printing setup to capture important aspects of existing industrial printing methods, which ensures that the solar cell performance achieved in our printing experiments would be largely retained in an industrial fabrication process. We employed both known and newly synthesized polymers as the donor and acceptor materials, and we studied the morphological changes in real time during the printing process by X-ray scattering. Our experimental efforts are also accompanied by theoretical modeling of both the fluid dynamic aspects of the printing process and the nucleation and crystallization kinetics during the film formation. The combined insight into the printing process gained from the research provides a detailed understanding of the factors governing the printed solar cell’s performance. Finally using the knowledge we gained, we demonstrated large area ( > 10 cm2) printed organic solar cells with more than 5 percent power conversion efficiency, which is best achieved performance for roll-to-roll printed organic solar cells.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2016},
month = {5}
}

Technical Report:
Other availability
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