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American Chemical Society, Journal of Physical Chemistry C, 25(114), p. 11252-11257, 2010

DOI: 10.1021/jp101518n

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Morphology and Photoelectrical Properties of Solution Processable Butylamine-Modified Graphene- and Pyrene-Based Organic Semiconductor

Journal article published in 2010 by Silvia Bittolo Bon, Luca Valentini, Rasha M. Moustafa, Fadi M. Jradi ORCID, Bilal R. Kaafarani, Raquel Verdejo, Miguel Angel Lopez-Manchado, Josè M Kenny
This paper is available in a repository.
This paper is available in a repository.

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Abstract

The morphological and electrical properties of 2,11-di-tert-butyl-6,7,15,16-tetrakis(hexylthio)quinoxalino[2′,3′:9,10]phenanthro[4,5-abc]phenazine (TQPP) organic molecule combined with butylamine (BAM)-modified graphene sheets (GSs) are described. The grafting of the amine onto the graphene sheet plane promotes its compatibility with this BAM soluble molecule, leading to the preparation of homogeneous films containing exfoliated graphene sheets, as demonstrated by infrared spectroscopy, field emission electron microscopy, and Raman spectroscopy. The film deposited from the BAM-modified GSs/TQPP blend showed a photoelectrical response higher than those prepared with neat molecule and GSs/TQPP blend, respectively.