Vapour printing: Patterning of the optical and electrical properties of organic semiconductors in one simple step

Dmitri Nassyrov, Christian Müller, Abel Roigé, I. Burgués-Ceballos, J. Oriol Ossó, David B. Amabilino, Miquel Garriga, M. Isabel Alonso, Alejandro R. Goñi, Mariano Campoy-Quiles

    Research output: Contribution to journalArticleResearchpeer-review

    14 Citations (Scopus)

    Abstract

    We have exploited the effective and versatile concept of post-deposition treatment using vapour and added a new dimension, space, in order to form patterns of organic thin films with modified optical and electrical properties in a low cost and straightforward fashion. To achieve this feat, we developed a vapour printer which locally exposes an organic film to low concentrations of common organic solvents. This technique readily enables the generation of spatially resolved patterns through three different approaches: (i) local changes in molecular conformation; (ii) local changes in the degree of crystallinity; and (iii) local chemical reactions. In order to demonstrate the potential of vapour printing, we have fabricated a range of proof-of-concept optoelectronic devices, including integrated optical interferometers, photodiodes with position dependent response, organic solar cells and conducting wires. © 2012 The Royal Society of Chemistry.
    Original languageEnglish
    Pages (from-to)4519-4526
    JournalJournal of Materials Chemistry
    Volume22
    Issue number10
    DOIs
    Publication statusPublished - 14 Mar 2012

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