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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Turner, Mike
University of Manchester
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (10/10 displayed)
- 2018Understanding the Microstructure of Poly(p-phenylenevinylene)s Prepared by Ring Opening Metathesis Polymerization Using 13C-Labeled Paracyclophanediene Monomerscitations
- 2016Cyanoethyl cellulose-based nanocomposite dielectric for low-voltage, solution-processed organic field-effect transistors (OFETs)citations
- 2015Dielectric materials for low voltage OFET operation
- 2015Solution-processed nanocomposite dielectrics for low voltage operated OFETscitations
- 2012Cyclopentadithiophene-benzothiadiazole oligomers and polymers; Synthesis, characterisation, field-effect transistor and photovoltaic characteristicscitations
- 2010Aggregation of zinc oxide nanoparticles: From non-aqueous dispersions to composites used as photoactive layers in hybrid solar cellscitations
- 2010Poly(thienylenevinylene) prepared by ring-opening metathesis polymerization: Performance as a donor in bulk heterojunction organic photovoltaic devicescitations
- 2009Hybrid polymer solar cells: From the role colloid science could play in bringing deployment closer to a study of factors affecting the stability of non-aqueous ZnO dispersionscitations
- 2008Triarylamine polymers by microwave-assisted polycondensation for use in organic field-effect transistorscitations
- 2005Electrode specific electropolymerization of ethylenedioxythiophene: Injection enhancement in organic transistorscitations
Places of action
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article
Cyclopentadithiophene-benzothiadiazole oligomers and polymers; Synthesis, characterisation, field-effect transistor and photovoltaic characteristics
Abstract
Conjugated oligomers with various ratios of cyclopentadithiophene (CPDT) to benzothiadiazole (BT) repeating units are reported. These oligomers can be polymerised to high molecular weight polymers (M n > 100k) by oxidative polymerisation using iron(iii)chloride. The electronic properties of these materials were examined by cyclic voltammetry and UV-vis spectroscopy and the results compared to those calculated using density functional theory (DFT). Polymers with optimum ratios of CPDT:BT (2:1) units show hole mobilities in excess of 10 -2 cm 2 V -1 s -1 as the active layer in organic field effect transistors (OFETs). Bulk heterojunction organic photovoltaic (OPV) devices of these polymers with PCBM as the electron acceptor show a power conversion efficiency of 2.1% when processed in the absence of any additives. The reported OFET performance is significantly higher than the parent PCPDTBT alternating copolymer (CPDT:BT = 1:1) and also shows a moderate improvement in OPV performance. © 2012 The Royal Society of Chemistry.