Morphology and Conductivity of Self-Assembled Pyrene-Perylenetetracarboxylic Diimide Dyad

Autor:	Xi You Li, Yan Shi
Rok vydání:	2014
Předmět:	chemistry.chemical_compound Crystallography Chemistry General Engineering Mass spectrum Proton NMR Analytical chemistry Pyrene Molecule Self-assembly Absorption (chemistry) Conductivity Evaporation (deposition)
Zdroj:	Advanced Materials Research. 936:911-914
ISSN:	1662-8985
DOI:	10.4028/www.scientific.net/amr.936.911
Popis:	One perylenetetracarboxylic diimide (PDI) derivatives (PDI 1) linked with pyrene by flexible chain at the bay positions was synthesized and the molecular structure was characterized by 1H NMR, MALDI-TOF mass spectra as well as elemental analysis. The molecular self-assembly were prepared from solution via a slow evaporation of solvent. The properties of these molecular aggregates were studied by electronic absorption and fluorescence spectra. The morphologies and structures were examined by scanning electronic microscopy (SEM) and X-ray diffraction (XRD) techniques. The conducting properties were evaluated by currentvoltage (IV) measurements. The results revealed highly ordered structure for these molecular self-assembly. The thin solid film fabricated from these molecular self-assembly show an electric conductivity as high as 4.85 × 10-4 S cm-1 under the ambient light, which means this compound might be used as a semiconductor in nanoelectronics.
Databáze:	OpenAIRE
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