Instantaneous charge separation in non-fullerene acceptor bulk-heterojunction of highly efficient solar cells

Using broadband transient absorption in a high efficiency (>11%) photovoltaic blend with a non-fullerene acceptor, we observe instantaneous (sub-30 fs) charge separation, demonstrating close to ideal donor-acceptor level matching and nanomorphology in this blend.

Bibliographic Details
Main Authors: Franco V. A. Camargo, Gasparini Nicola, Nagahara Tetsuhiko, Lüer Larry, Cerullo Giulio, Brabec Christoph
Format: Article
Language:English
Published: EDP Sciences 2019-01-01
Series:EPJ Web of Conferences
Online Access:https://www.epj-conferences.org/articles/epjconf/pdf/2019/10/epjconf_up2019_05010.pdf