By Topic

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

Sign In

Cookies must be enabled to login.After enabling cookies , please use refresh or reload or ctrl+f5 on the browser for the login options.

The purchase and pricing options are temporarily unavailable. Please try again later.
7 Author(s)
Zhang, Yuliang ; Centre of Organic Photonics & Electronics, The University of Queensland, St. Lucia, Brisbane 4072, Australia ; Pandey, Ajay K. ; Tao, Chen ; Fang, Yuan
more authors

Your organization might have access to this article on the publisher's site. To check, click on this link: 

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).

Published in:

Applied Physics Letters  (Volume:102 ,  Issue: 1 )