Real-time observation and control of pentacene film growth on an artificially structured substrate.
basic_science · Level V
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- Record sourced from PubMed, PMID 25376650.
- Also identified by DOI 10.1002/adma.200901436.
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Abstract
Suppression of nucleation around a gold electrode during pentacene growth on a SiO2 channel is found by photoemission electron microscopy. Mass flow is driven by the difference between the molecular orientations on SiO2 and gold. The poor connectivity at the channel/electrode boundary causes degradation in the performance of a field-effect transistor, which is found to be improved by self-assembled monolayer treatment on the electrode (see figure; thickness in monolayers (ML)).