Efficiency enhancement in small molecular organic photovoltaic devices employing dual anode interfacial layers

Tyler Fleetham; Barry O'Brien; John P. Mudrick; Jiangeng Xue; Jian Li

doi:10.1117/12.2023679

Efficiency enhancement in small molecular organic photovoltaic devices employing dual anode interfacial layers

Tyler Fleetham, Barry O'Brien, John P. Mudrick, Jiangeng Xue, Jian Li

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

1 Scopus citations

Abstract

We demonstrated enhanced efficiency in small molecule organic photovoltaic devices using dual organic interfacial layers of PEDOT:PSS followed by tetracene between the ITO anode and the organic donor material. The use of a small molecular templating layer, such as tetracene, proved to increase the molecular stacking of the subsequent phthalocyanine (Pc) based donor materials. Upon application in planar heterojunction devices of ZnPc and C₆₀, an enhancement of over 80 percent in the donor contribution to the external quantum efficiency was observed attributed to the combination of exciton blocking by the higher band gap tetracene layer and enhanced exciton diffusion and charge transport resulting from the increased crystallinity.

Original language	English (US)
Title of host publication	Organic Photovoltaics XIV
DOIs	https://doi.org/10.1117/12.2023679
State	Published - Dec 9 2013
Event	Organic Photovoltaics XIV - San Diego, CA, United States Duration: Aug 27 2013 → Aug 29 2013

Publication series

Name	Proceedings of SPIE - The International Society for Optical Engineering
Volume	8830
ISSN (Print)	0277-786X
ISSN (Electronic)	1996-756X

Other

Other	Organic Photovoltaics XIV
Country/Territory	United States
City	San Diego, CA
Period	8/27/13 → 8/29/13

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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10.1117/12.2023679

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Efficiency enhancement in small molecular organic photovoltaic devices employing dual anode interfacial layers. / Fleetham, Tyler; O'Brien, Barry; Mudrick, John P. et al.
Organic Photovoltaics XIV. 2013. 883009 (Proceedings of SPIE - The International Society for Optical Engineering; Vol. 8830).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Fleetham, T, O'Brien, B, Mudrick, JP, Xue, J & Li, J 2013, Efficiency enhancement in small molecular organic photovoltaic devices employing dual anode interfacial layers. in Organic Photovoltaics XIV., 883009, Proceedings of SPIE - The International Society for Optical Engineering, vol. 8830, Organic Photovoltaics XIV, San Diego, CA, United States, 8/27/13. https://doi.org/10.1117/12.2023679

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abstract = "We demonstrated enhanced efficiency in small molecule organic photovoltaic devices using dual organic interfacial layers of PEDOT:PSS followed by tetracene between the ITO anode and the organic donor material. The use of a small molecular templating layer, such as tetracene, proved to increase the molecular stacking of the subsequent phthalocyanine (Pc) based donor materials. Upon application in planar heterojunction devices of ZnPc and C60, an enhancement of over 80 percent in the donor contribution to the external quantum efficiency was observed attributed to the combination of exciton blocking by the higher band gap tetracene layer and enhanced exciton diffusion and charge transport resulting from the increased crystallinity.",

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AU - Li, Jian

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N2 - We demonstrated enhanced efficiency in small molecule organic photovoltaic devices using dual organic interfacial layers of PEDOT:PSS followed by tetracene between the ITO anode and the organic donor material. The use of a small molecular templating layer, such as tetracene, proved to increase the molecular stacking of the subsequent phthalocyanine (Pc) based donor materials. Upon application in planar heterojunction devices of ZnPc and C60, an enhancement of over 80 percent in the donor contribution to the external quantum efficiency was observed attributed to the combination of exciton blocking by the higher band gap tetracene layer and enhanced exciton diffusion and charge transport resulting from the increased crystallinity.

AB - We demonstrated enhanced efficiency in small molecule organic photovoltaic devices using dual organic interfacial layers of PEDOT:PSS followed by tetracene between the ITO anode and the organic donor material. The use of a small molecular templating layer, such as tetracene, proved to increase the molecular stacking of the subsequent phthalocyanine (Pc) based donor materials. Upon application in planar heterojunction devices of ZnPc and C60, an enhancement of over 80 percent in the donor contribution to the external quantum efficiency was observed attributed to the combination of exciton blocking by the higher band gap tetracene layer and enhanced exciton diffusion and charge transport resulting from the increased crystallinity.

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Efficiency enhancement in small molecular organic photovoltaic devices employing dual anode interfacial layers

Abstract

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