Spectral response tuning using an optical spacer in broad-band organic solar cells

Zhang, Yuliang, Pandey, Ajay K., Tao, Chen, Fang, Yuan, Jin, Hui, Burn, Paul L. and Meredith, Paul (2013) Spectral response tuning using an optical spacer in broad-band organic solar cells. Applied Physics Letters, 102 1: 013302.1-013302.5. doi:10.1063/1.4773556

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Author Zhang, Yuliang
Pandey, Ajay K.
Tao, Chen
Fang, Yuan
Jin, Hui
Burn, Paul L.
Meredith, Paul
Title Spectral response tuning using an optical spacer in broad-band organic solar cells
Journal name Applied Physics Letters   Check publisher's open access policy
ISSN 0003-6951
1077-3118
Publication date 2013-01
Year available 2013
Sub-type Article (original research)
DOI 10.1063/1.4773556
Open Access Status File (Publisher version)
Volume 102
Issue 1
Start page 013302.1
End page 013302.5
Total pages 5
Place of publication College Park, MD., United States
Publisher American Institute of Physics
Collection year 2014
Language eng
Formatted abstract
The effect of a zinc oxide optical spacer layer in broad-band polymer-fullerene solar cells is presented. The complimentary absorption in the donor and acceptor components allows photocurrent generation through photoinduced electron and hole-transfer mechanisms. Simulations of the optical-field distribution reveal that an optical spacer can be used to tune the spectral response to favor one photocurrent generation pathway via enhanced absorption in either the acceptor or donor component. Experimental results confirm these simulations, and the spacer is shown to enhance overall photocurrent in devices with thin active layers (<60 nm), with much less effect in thicker junctions (>90 nm).
Keyword Field Effect Transistors
Photovoltaic Cells
Tandem Polymer
Q-Index Code C1
Q-Index Status Confirmed Code
Institutional Status UQ

Document type: Journal Article
Sub-type: Article (original research)
Collections: Official 2014 Collection
School of Chemistry and Molecular Biosciences
 
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