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.

Predicting the J-V Curve in Organic Photovoltaics Using Impedance Spectroscopy



James I. Basham, Thomas N. Jackson, David J. Gundlach


We employ impedance spectroscopy as a method to predict the current-voltage curve in organic photovoltaics. This technique allows the quantification of the recombination rate, series resistance, carrier density and lifetime very close to normal operating conditions. The current density can be predicted as the generation rate minus the recombination rate, scaled by device thickness. We observe excellent agreement to measured results using this simple model. The order of recombination is found to be strongly bias dependent.
Advanced Energy Materials


Organic Photovoltaics, Recombination, Current Voltage, Impedance Spectroscopy, Characterization, Capacitance


Basham, J. , Jackson, T. and Gundlach, D. (2014), Predicting the J-V Curve in Organic Photovoltaics Using Impedance Spectroscopy, Advanced Energy Materials, [online], (Accessed December 9, 2023)
Created June 2, 2014, Updated February 19, 2017