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Solution processable diketopyrrolopyrrole (DPP) cored small molecules with BODIPY end groups as novel donors for organic solar cells

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Howells_2014_BJOC_Solution_CC.pdf (5.182Mb)
Date
18/11/2014
Author
Cortizo-Lacalle, Diego
Howells, Calvyn T.
Pandey, Upendra K.
Cameron, Joseph
Findlay, Neil J.
Inigo, Anto Regis
Tuttle, Tell
Skabara, Peter J.
Samuel, Ifor D. W.
Keywords
BODIPY
Diketopyrrolopyrrole
Organic semiconductors
Organic solar cells
Thiophene
Electronic-energy-transfer
Field-effect transistors
Zeta valence quality
Film morphology
Acceptor dyads
Basi-sets
Polymer
Dyes
Performance
Density
QC Physics
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Abstract
Two novel triads based on a diketopyrrolopyrrole (DPP) central core and two 4,4-difluoro-4-bora-3a,4a-diaza-s-indacene (BODIPY) units attached by thiophene rings have been synthesised having high molar extinction coefficients. These triads were characterised and used as donor materials in small molecule, solution processable organic solar cells. Both triads were blended with PC71BM as an acceptor in different ratios by wt% and their photovoltaic properties were studied. For both the triads a modest photovoltaic performance was observed, having an efficiency of 0.65%. Moreover, in order to understand the ground and excited state properties and vertical absorption profile of DPP and BODIPY units within the triads, theoretical DFT and TDDFT calculations were performed.
Citation
Cortizo-Lacalle , D , Howells , C T , Pandey , U K , Cameron , J , Findlay , N J , Inigo , A R , Tuttle , T , Skabara , P J & Samuel , I D W 2014 , ' Solution processable diketopyrrolopyrrole (DPP) cored small molecules with BODIPY end groups as novel donors for organic solar cells ' , Beilstein Journal of Organic Chemistry , vol. 10 , pp. 2683-2695 . https://doi.org/10.3762/bjoc.10.283
Publication
Beilstein Journal of Organic Chemistry
Status
Peer reviewed
DOI
https://doi.org/10.3762/bjoc.10.283
ISSN
1860-5397
Type
Journal article
Rights
© 2014 Cortizo-Lacalle et al; licensee Beilstein-Institut. This is an Open Access article under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/2.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. The license is subject to the Beilstein Journal of Organic Chemistry terms and conditions: (http://www.beilstein-journals.org/bjoc)
Description
PJS thanks the Royal Society for a Wolfson Research Merit Award.
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  • University of St Andrews Research
URL
http://www.beilstein-journals.org/bjoc/single/articleFullText.htm?publicId=1860-5397-10-283#supporting-info
URI
http://hdl.handle.net/10023/6008

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