Skip to main content
U.S. flag

An official website of the United States government

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

Organic photovoltaic bulk heterojunctions with spatially varying composition.

Published

Author(s)

Paul M. Haney

Abstract

We consider models of organic bulk heterojunction photovoltaics with spatially varying compo- sition of donor/acceptor materials. We find analytic expressions for the current-voltage relation in simplifed cases for two blend geometries, and find the effect of varying composition on charge transport is minimal. We then present numerical results for various blend compositions, including the experimentally relevant composition of a donor-rich region near the cathode (a "skin layer" of donor material). We find the primary effect of this variation on device performance derives from its effect on photocharge generation, and that the effect of a skin layer on device performance is small.
Citation
Applied Physics Letters
Volume
110
Issue
2

Keywords

Organic photovoltaic

Citation

Haney, P. (2011), Organic photovoltaic bulk heterojunctions with spatially varying composition., Applied Physics Letters, [online], https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=908321 (Accessed May 23, 2024)

Issues

If you have any questions about this publication or are having problems accessing it, please contact reflib@nist.gov.

Created July 21, 2011, Updated February 19, 2017