Issue 35, 2020

Extracting molecular responses from ultrafast charge dynamics at material interfaces

Abstract

We introduce a new data analysis method, which can be applied to transient vibrational sum-frequency generation spectroscopy to reveal hidden molecular dynamics of charge transfer at molecular heterojunction interfaces. After validating the method, we used it to extract molecular dynamics at organic semiconductor/metal interfaces, which was otherwise dominated by electronic dynamics. Such an ability can advance the understanding of the roles of molecules in interfacial charge transfer dynamics.

Graphical abstract: Extracting molecular responses from ultrafast charge dynamics at material interfaces

Associated articles

Supplementary files

Article information

Article type
Communication
Submitted
12 Apr. 2020
Accepted
11 Aug. 2020
First published
11 Aug. 2020

J. Mater. Chem. C, 2020,8, 12062-12067

Author version available

Extracting molecular responses from ultrafast charge dynamics at material interfaces

C. Wang, Y. Li and W. Xiong, J. Mater. Chem. C, 2020, 8, 12062 DOI: 10.1039/D0TC01819H

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