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Chen JJ, Conron SM, Erwin P, et al. High-efficiency BODIPY-based organic photovoltaics. ACS Appl Mater Interfaces. 2014;7(1):662-9doi: 10.1021/am506874k.
Chen, J. J., Conron, S. M., Erwin, P., Dimitriou, M., McAlahney, K., & Thompson, M. E. (2015). High-efficiency BODIPY-based organic photovoltaics. ACS applied materials & interfaces, 7(1), 662-9. https://doi.org/10.1021/am506874k
Chen, John J, et al. "High-efficiency BODIPY-based organic photovoltaics." ACS applied materials & interfaces vol. 7,1 (2015): 662-9. doi: https://doi.org/10.1021/am506874k
Chen JJ, Conron SM, Erwin P, Dimitriou M, McAlahney K, Thompson ME. High-efficiency BODIPY-based organic photovoltaics. ACS Appl Mater Interfaces. 2015 Jan 14;7(1):662-9. doi: 10.1021/am506874k. Epub 2014 Dec 24. PMID: 25496538.
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ACS Appl Mater Interfaces. 2015 Jan 14;7(1):662-9. doi: 10.1021/am506874k. Epub 2014 Dec 24.

High-efficiency BODIPY-based organic photovoltaics.

ACS applied materials & interfaces

John J Chen, Sarah M Conron, Patrick Erwin, Michael Dimitriou, Kyle McAlahney, Mark E Thompson

Affiliations

  1. Department of Chemistry, University of Southern California , Los Angeles, California 90089, United States.

PMID: 25496538 DOI: 10.1021/am506874k

Abstract

A benzannulated boron dipyrromethene (BODIPY, bDIP) molecule exhibiting strong absorption at 640 nm was synthesized. The organic dye was used in an organic solar cell as the electron donor with C60 as the acceptor. The BODIPY dye demonstrated the best performance in lamellar architecture (indium tin oxide (ITO)/bDIP/C60/bathocuproine/Al), giving power conversion efficiency up to 4.5% with short-circuit current (JSC) of 8.7 mA/cm(2) and an open-circuit voltage (VOC) of 0.81 V. Neutron reflectivity experiments were performed on the bilayer film to investigate the thickness dependence of JSC. A 13 nm mixed layer was found to be present at the donor/acceptor interface in the bilayer device, formed when the C60 was deposited onto a room temperature bDIP film. Planar-mixed heterojunction devices were fabricated to understand the extent of spontaneous mixing between the donor and acceptor materials. The native mixed region in the bilayer device was shown to most resemble 1:3 bDIP:C60 layer in the structure: (ITO/bDIP/bDIP:C60 blend/C60/bathocuproine/Al).

Keywords: BODIPY; bilayer; neutron reflectivity; organic photovoltaics; planar-mixed heterojunction

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