Origin of photocurrent generation and collection losses in large area organic solar cells

Pandey, Ajay K. and Nunzi, Jean-Michel (2011) Origin of photocurrent generation and collection losses in large area organic solar cells. Applied Physics Letters, 99 9: 093309.1-093309.3. doi:10.1063/1.3637041

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Author Pandey, Ajay K.
Nunzi, Jean-Michel
Title Origin of photocurrent generation and collection losses in large area organic solar cells
Journal name Applied Physics Letters   Check publisher's open access policy
ISSN 0003-6951
1520-8842
1077-3118
Publication date 2011-08-29
Sub-type Article (original research)
DOI 10.1063/1.3637041
Open Access Status File (Publisher version)
Volume 99
Issue 9
Start page 093309.1
End page 093309.3
Total pages 3
Place of publication College Park, MD, United States
Publisher American Institute of Physics
Collection year 2012
Language eng
Formatted abstract
Loss of performance in large area devices is a major concern for organic solar cells. We present studies highlighting up-scaling loss mechanisms caused by interfacial resistance at organic-metal interface in pentacene/C60 heterojunction solar cells. Devices with different active areas and electrodes are investigated, revealing the origin of higher series resistance in large area devices. We also simulate influence of spatial non-uniformity and anisotropic charge collection in active layer through selective coverage using customized electrode geometries and identify grain boundaries as the dominating link behind loss in photocurrent generation and collection.
Q-Index Code C1
Q-Index Status Confirmed Code
Institutional Status UQ
Additional Notes Article # 093309

Document type: Journal Article
Sub-type: Article (original research)
Collections: Official 2012 Collection
School of Chemistry and Molecular Biosciences
 
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Created: Sun, 25 Sep 2011, 00:20:13 EST by System User on behalf of School of Chemistry & Molecular Biosciences