Share Email Print

Proceedings Paper

Four-wave mixing response of solution-processed CH3NH3PbI3 thin films
Author(s): Samuel A. March; Drew B. Riley; Charlotte Clegg; Daniel Webber; Seth Todd; Ian G. Hill; Kimberley C. Hall
Format Member Price Non-Member Price
PDF $17.00 $21.00

Paper Abstract

The interest in perovskite-based solar cell absorber materials has skyrocketed in recent years due to the rapid rise in solar cell efficiency and the potential for cost reductions tied to solution-processed device fabrication. Due to complications associated with the presence of strong static and dynamic disorder in these organic-inorganic materials, the fundamental photophysical behavior of photo-excited charge carriers remains unclear. We apply four-wave mixing spectroscopy to study the charge carrier dynamics in CH3NH3PbI3 thin films. Our experiments reveal two discrete optical transitions below the band gap of the semiconductor with binding energies of 13 meV and 29 meV, attributed to free and defect-bound excitons respectively.

Paper Details

Date Published: 23 February 2017
PDF: 6 pages
Proc. SPIE 10102, Ultrafast Phenomena and Nanophotonics XXI, 1010211 (23 February 2017); doi: 10.1117/12.2252709
Show Author Affiliations
Samuel A. March, Dalhousie Univ. (Canada)
Drew B. Riley, Dalhousie Univ. (Canada)
Charlotte Clegg, Dalhousie Univ. (Canada)
Daniel Webber, Dalhousie Univ. (Canada)
Seth Todd, Dalhousie Univ. (Canada)
Ian G. Hill, Dalhousie Univ. (Canada)
Kimberley C. Hall, Dalhousie Univ. (Canada)

Published in SPIE Proceedings Vol. 10102:
Ultrafast Phenomena and Nanophotonics XXI
Markus Betz; Abdulhakem Y. Elezzabi, Editor(s)

© SPIE. Terms of Use
Back to Top
Sign in to read the full article
Create a free SPIE account to get access to
premium articles and original research
Forgot your username?