Cart (Loading....) | Create Account
Close category search window

Two-step exciton dissociation in poly(3-hexylthiophene)/fullerene heterojunctions

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.

Formats Non-Member Member
$31 $31
Learn how you can qualify for the best price for this item!
Become an IEEE Member or Subscribe to
IEEE Xplore for exclusive pricing!
close button

puzzle piece

IEEE membership options for an individual and IEEE Xplore subscriptions for an organization offer the most affordable access to essential journal articles, conference papers, standards, eBooks, and eLearning courses.

Learn more about:

IEEE membership

IEEE Xplore subscriptions

3 Author(s)
Lloyd, M.T. ; Department of Materials Science and Engineering, Cornell University, Ithaca, New York 14853, USA ; Lim, Yee-Fun ; Malliaras, George G.

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

Charge and energy transfer are competing processes in photoexcited organic donor/acceptor systems. By inserting a thin interlayer of a wide band gap organic semiconductor in a poly(3-hexylthiophene)/fullerene heterojunction, we were able to selectively suppress electron transfer. External quantum efficiency measurements show that device performance is unaffected by the presence of the interlayer. These results can be explained by two-step exciton dissociation where energy transfer of excitons from the donor to the acceptor is followed by hole transfer to the donor. The same interlayer was shown to decrease the photocurrent in a heterojunction where this energy transfer pathway is forbidden.

Published in:

Applied Physics Letters  (Volume:92 ,  Issue: 14 )

Date of Publication:

Apr 2008

Need Help?

IEEE Advancing Technology for Humanity About IEEE Xplore | Contact | Help | Terms of Use | Nondiscrimination Policy | Site Map | Privacy & Opting Out of Cookies

A not-for-profit organization, IEEE is the world's largest professional association for the advancement of technology.
© Copyright 2014 IEEE - All rights reserved. Use of this web site signifies your agreement to the terms and conditions.