Issue 9, 2003
From the journal:

Journal of Materials Chemistry

Development of a novel isotype organic heterojunction diode consisting of poly{7-spiro(9-fluorenyl)cyclopentadithiophene} and poly(3-octylthiophene)

Teng-Teng Ong,†a   Siu-Choon Ng,*a   Hardy S. O. Chan,a   R. V. Vardhanan,a   K. Kumura,b   Y. Mazakib  and  K. Kobayashib  

* Corresponding authors

a Department of Chemistry, National University of Singapore, 3 Science Drive 3, Singapore
E-mail: chmngsc@leonis.nus.edu.sg

b Department of Chemistry, The University of Tokyo, Komaba, Meguro-ku, Tokyo, Japan

Abstract

The interfacial properties of a novel isotype polymeric heterojunction device consisting of poly(3-octylthiophene) (POT) and poly{7-spiro(9-fluorenyl)cyclopentadithiophene} (PSFT) were studied using current–voltage (I–V) characteristics. The heterojunction diode was fabricated by sequential electrochemical polymerization of the respective monomers onto an indium–tin oxide (ITO) coated glass substrate. Four single layered junctions, ITO/POT/Ca, ITO/PSFT/Ca, ITO/POT/Au and ITO/PSFT/Au, and two double layered heterojunctions, ITO/POT/PSFT/Ca and ITO/POT/PSFT/Au, were constructed. Among these six systems, the ITO/POT/PSFT/Au system gave rectification behavior even after 48 hours and remained stable up to 100 hours.

Graphical abstract: Development of a novel isotype organic heterojunction diode consisting of poly{7-spiro(9-fluorenyl)cyclopentadithiophene} and poly(3-octylthiophene)

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Article information

DOI
https://doi.org/10.1039/B304377K
Article type
Paper
Submitted
22 Apr 2003
Accepted
16 Jun 2003
First published
04 Aug 2003

J. Mater. Chem., 2003,13, 2185-2188

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Development of a novel isotype organic heterojunction diode consisting of poly{7-spiro(9-fluorenyl)cyclopentadithiophene} and poly(3-octylthiophene)

T. Ong, S. Ng, H. S. O. Chan, R. V. Vardhanan, K. Kumura, Y. Mazaki and K. Kobayashi, J. Mater. Chem., 2003, 13, 2185 DOI: 10.1039/B304377K

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