Critical role of H-aggregation for high-efficiency photoinduced charge generation in pristine pentamethine cyanine salts-Reference-Cited by-同舟云学术

Critical role of H-aggregation for high-efficiency photoinduced charge generation in pristine pentamethine cyanine salts

Published:2021 Issue:41 Volume:23 Page:23886-23895
ISSN:1463-9076
Container-title:Physical Chemistry Chemical Physics
language:en
Short-container-title:Phys. Chem. Chem. Phys.

Author:

Fish George C.¹^ORCID,Moreno-Naranjo Juan Manuel¹,Billion Andreas²^ORCID,Kratzert Daniel²^ORCID,Hack Erwin³^ORCID,Krossing Ingo²^ORCID,Nüesch Frank⁴⁵^ORCID,Moser Jacques-E.¹^ORCID

Affiliation:

1. Photochemical Dynamics Group, Institute of Chemical Sciences and Engineering, École polytechnique fédérale de Lausanne, Station 6, 1015 Lausanne, Switzerland

2. Institut für Anorganische und Analytische Chemie, and Freiburger Materialforschungszentrum, Universität Freiburg, Albertstrasse 21, 79104 Freiburg, Germany

3. Laboratory for Transport at Nanoscale Interfaces, Swiss Federal Laboratories for Materials Science and Technology, Empa, Überlandstrasse 129, 8600 Dübendorf, Switzerland

4. Laboratory for Functional Polymers, Swiss Federal Laboratories for Materials Science and Technology, Empa, Überlandstrasse 129, 8600 Dübendorf, Switzerland

5. Institute of Materials, School of Engineering, École polytechnique fédérale de Lausanne, Station 12, 1015 Lausanne, Switzerland

Abstract

The mechanism of high-efficiency photo-induced charge generation in thin films of pristine pentamethine cyanine salts is elucidated using ultrafast spectroscopy. H-aggregation of the dye molecules allows for symmetry breaking charge separation with quantum yields over 80%.

Funder

Schweizerischer Nationalfonds zur Förderung der Wissenschaftlichen Forschung

Publisher

Royal Society of Chemistry (RSC)

Subject

Physical and Theoretical Chemistry,General Physics and Astronomy

Link

http://pubs.rsc.org/en/content/articlepdf/2021/CP/D1CP03251H

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