Issue 17, 2014
From the journal:

RSC Advances

Spectroscopic study of a synthesized Alq3 end-capped oligothiophene applied in organic solar cells†

Venla M. Manninen,*a   Juha P. Heiskanen,b   Kimmo M. Kaunisto,a   Osmo E. O. Hormib  and  Helge J. Lemmetyinena  

* Corresponding authors

a Department of Chemistry and Bioengineering, Tampere University of Technology, P.O. Box 541, Tampere, Finland
E-mail: venla.manninen@tut.fi

b Department of Chemistry, University of Oulu, P.O. Box 3000, Finland

Abstract

In this paper, we report the spectroscopic properties of a synthetically tailored Alq3 end-capped oligothiophene ((Alq3)2-OT) studied by steady state and time resolved spectroscopic methods in chloroform and solid films. In chloroform a photo-induced intramolecular electron transfer from the oligothiophene backbone to the Alq3 moiety was observed. When (Alq3)2-OT was mixed with a fullerene derivative (PCBM) in chloroform, we demonstrate that (Alq3)2-OT donates an electron to PCBM. With that in mind, (Alq3)2-OT was applied as a dopant molecule to improve the efficiency of P3HT:PCBM bulk hetero junction (BHJ) solar cells.

Graphical abstract: Spectroscopic study of a synthesized Alq3 end-capped oligothiophene applied in organic solar cells

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Article information

DOI
https://doi.org/10.1039/C3RA47367H
Article type
Paper
Submitted
06 Dec 2013
Accepted
13 Jan 2014
First published
14 Jan 2014

RSC Adv., 2014,4, 8846-8855

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Spectroscopic study of a synthesized Alq3 end-capped oligothiophene applied in organic solar cells

V. M. Manninen, J. P. Heiskanen, K. M. Kaunisto, O. E. O. Hormi and H. J. Lemmetyinen, RSC Adv., 2014, 4, 8846 DOI: 10.1039/C3RA47367H

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