https://doi.org/10.1051/epjconf/201920505010
Instantaneous charge separation in non-fullerene acceptor bulk-heterojunction of highly efficient solar cells
1 IFN-CNR, Dipartimento di Fisica, Piazza Leonardo da Vinci 32, 20133 Milano, Italy
2 Institute of Materials for Electronics and Energy Technology (I-MEET), Friedrich Alexander-University Erlangen-Nuremberg, Martensstraße 7, 91058 Erlangen, Germany
3 Kyoto Institute of Technology, Department of Chemistry and Materials Technology, Kyoto, Japan
4 Madrid Institute for Advanced Studies, IMDEA Nanoscience, Calle Faraday 9, Campus Cantoblanco, 28049 Madrid, Spain
5 Bavarian Center for Applied Energy Research (ZAE Bayern), Haberstrasse 2a, 91058 Erlangen, Germany
* Corresponding author: francovalduga@gmail.com
Published online: 16 April 2019
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.
© The Authors, published by EDP Sciences, 2019
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
