High-Resolution Kelvin Probe Force Microscopy Imaging of Interface Dipoles and Photogenerated Charges in Organic Donor–Acceptor Photovoltaic Blends

Fuchs, Franz; Caffy, Florent; Demadrille, Renaud; Mélin, Thierry; Grévin, Benjamin

doi:10.1021/acsnano.5b05810

Public

High-Resolution Kelvin Probe Force Microscopy Imaging of Interface Dipoles and Photogenerated Charges in Organic Donor–Acceptor Photovoltaic Blends

Published in ACS Nano • Jan 11, 2016

Authors:

Franz Fuchs

Florent Caffy

Renaud Demadrille

Abstract

We present noncontact atomic force microscopy and Kelvin probe force microscopy studies of nanophase segregated photovoltaic blends based on an oligothiophene-fluorenone oligomer and [6,6]-phenyl C70 butyric acid methyl ester. We carried out a complete analysis of the influence of the tip-surface in...

Subject

Kelvin probe force microscope

Volta potential

Materials science

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