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The chemical modification of electrodes with organic materials is a common approach to tuning the electronic and electrostatic landscapes between interlayers in optoelectronic devices, thus facilitating charge injection at the electrode/semiconductor interfaces and improving their performance. The use of photochromic molecules for surface modification allows a dynamic control of the electronic and electrostatic properties of the electrode and thereby enables additional functionalities in such devices. Here, we show that the electronic properties of a transparent indium–tin oxide (ITO) electrode are reversibly and dynamically modified by depositing organic photochromic switches (diarylethenes) in the form of self-assembled monolayers (SAMs). By combining a range of surface characterization and density functional theory calculations, we present a detailed picture of the SAM binding to ITO, the packing density of …
American Chemical Society
Publication date: 
23 Jan 2019

Qiankun Wang, Valentin Diez-Cabanes, Simone Dell’Elce, Andrea Liscio, Björn Kobin, Hong Li, Jean-Luc Brédas, Stefan Hecht, Vincenzo Palermo, Emil JW List-Kratochvil, Jérôme Cornil, Norbert Koch, Giovanni Ligorio

Biblio References: 
Volume: 2 Issue: 2 Pages: 1102-1110
ACS Applied Nano Materials