Characterization of spray-coating methods for conjugated polymer blend thin films

We examine the characteristics and functionality of conjugated polymer thin films, based on blends of poly(9,9-dioctylfluorene-2,7-diyl- co -bis- N , NN ′-(4-butylphenyl)-bis- N , N ′-phenyl-1,4-phenylenediamine) (PFB) and poly(9,9-dioctylfluorene-2,7-diyl- co -benzothiadiazole) (F8BT), using a spra...

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Veröffentlicht in:Journal of materials science 2014-06, Vol.49 (12), p.4279-4287
Hauptverfasser: Noebels, Matthias, Cross, Rachel E., Evans, D. A., Finlayson, Chris E.
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container_end_page 4287
container_issue 12
container_start_page 4279
container_title Journal of materials science
container_volume 49
creator Noebels, Matthias
Cross, Rachel E.
Evans, D. A.
Finlayson, Chris E.
description We examine the characteristics and functionality of conjugated polymer thin films, based on blends of poly(9,9-dioctylfluorene-2,7-diyl- co -bis- N , NN ′-(4-butylphenyl)-bis- N , N ′-phenyl-1,4-phenylenediamine) (PFB) and poly(9,9-dioctylfluorene-2,7-diyl- co -benzothiadiazole) (F8BT), using a spray-coating deposition technique suitable for large areas. The morphological properties of these blend films are studied in detail by atomic force microscopy (AFM) methods, showing that favourable results, in terms of layer deposition rate and uniformity, can be achieved using a 5:1 blend of o -dichlorobenzene and chlorobenzene as the solvent medium. A photoluminescence quenching efficiency of above 80 % is also observed in such blend films. As a feasibility study, prototypical photovoltaic devices exhibit open circuit voltages of up to 1.0 V under testing, and solar power conversion efficiencies in the 0.1–1 % order of magnitude; metrics which are comparable with those reported for spin-coated cells of the same active blend and device architecture.
doi_str_mv 10.1007/s10853-014-8123-5
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As a feasibility study, prototypical photovoltaic devices exhibit open circuit voltages of up to 1.0 V under testing, and solar power conversion efficiencies in the 0.1–1 % order of magnitude; metrics which are comparable with those reported for spin-coated cells of the same active blend and device architecture.</description><identifier>ISSN: 0022-2461</identifier><identifier>EISSN: 1573-4803</identifier><identifier>DOI: 10.1007/s10853-014-8123-5</identifier><language>eng</language><publisher>Boston: Springer US</publisher><subject>Analysis ; Atomic force microscopy ; Blends ; Characterization and Evaluation of Materials ; Chemical properties ; Chemistry and Materials Science ; Chlorobenzene ; Circuits ; Classical Mechanics ; Coatings ; Computer architecture ; Crystallography and Scattering Methods ; Deposition ; Devices ; Dichlorobenzene ; Dielectric films ; Energy conversion efficiency ; Feasibility studies ; Materials Science ; Methods ; Open circuit voltage ; Phenylenediamine ; Photoluminescence ; Photovoltaic cells ; Polymer blends ; Polymer films ; Polymer Sciences ; Polymers ; Solar cells ; Solar energy ; Solid Mechanics ; Spin coating ; Spray coating ; Thin films</subject><ispartof>Journal of materials science, 2014-06, Vol.49 (12), p.4279-4287</ispartof><rights>Springer Science+Business Media New York 2014</rights><rights>COPYRIGHT 2014 Springer</rights><rights>Journal of Materials Science is a copyright of Springer, (2014). 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subjects Analysis
Atomic force microscopy
Blends
Characterization and Evaluation of Materials
Chemical properties
Chemistry and Materials Science
Chlorobenzene
Circuits
Classical Mechanics
Coatings
Computer architecture
Crystallography and Scattering Methods
Deposition
Devices
Dichlorobenzene
Dielectric films
Energy conversion efficiency
Feasibility studies
Materials Science
Methods
Open circuit voltage
Phenylenediamine
Photoluminescence
Photovoltaic cells
Polymer blends
Polymer films
Polymer Sciences
Polymers
Solar cells
Solar energy
Solid Mechanics
Spin coating
Spray coating
Thin films
title Characterization of spray-coating methods for conjugated polymer blend thin films
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