Characterization of interfacial modifiers for hybrid solar cells

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WEICKERT, Jonas, Florian AURAS, Thomas BEIN, Lukas SCHMIDT-MENDE, 2011. Characterization of interfacial modifiers for hybrid solar cells. In: The Journal of Physical Chemistry C. 115(30), pp. 15081-15088. ISSN 1932-7447. Available under: doi: 10.1021/jp203600z

@article{Weickert2011Chara-17966, title={Characterization of interfacial modifiers for hybrid solar cells}, year={2011}, doi={10.1021/jp203600z}, number={30}, volume={115}, issn={1932-7447}, journal={The Journal of Physical Chemistry C}, pages={15081--15088}, author={Weickert, Jonas and Auras, Florian and Bein, Thomas and Schmidt-Mende, Lukas} }

<rdf:RDF xmlns:dcterms="http://purl.org/dc/terms/" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:bibo="http://purl.org/ontology/bibo/" xmlns:dspace="http://digital-repositories.org/ontologies/dspace/0.1.0#" xmlns:foaf="http://xmlns.com/foaf/0.1/" xmlns:void="http://rdfs.org/ns/void#" xmlns:xsd="http://www.w3.org/2001/XMLSchema#" > <rdf:Description rdf:about="https://kops.uni-konstanz.de/rdf/resource/123456789/17966"> <dcterms:rights rdf:resource="http://nbn-resolving.org/urn:nbn:de:bsz:352-20140905103605204-4002607-1"/> <dc:contributor>Weickert, Jonas</dc:contributor> <dc:contributor>Auras, Florian</dc:contributor> <dspace:isPartOfCollection rdf:resource="https://kops.uni-konstanz.de/rdf/resource/123456789/41"/> <dcterms:available rdf:datatype="http://www.w3.org/2001/XMLSchema#dateTime">2012-07-31T22:25:06Z</dcterms:available> <dc:language>eng</dc:language> <dcterms:abstract xml:lang="eng">This study systematically investigates the influence of different TiO2 surface modifiers on the device properties of TiO2 -poly(3-hexylthiophene) (P3HT) hybrid solar cells to infer design rules for interfaces in hybrid solar cells. Bare TiO2 is compared to TiO2 modified with a Ru(II) dye (Z907), phenyl-C61-butyric acid (PCBA), the carboxylated polymer poly[3-(5-carboxypentyl)thiophene-2,5-diyl] (P3HT-COOH), and Sb2S3, respectively. Self-assembled monolayers are investigated for the former three modifiers, whereas a thin coating of only a few nanometers is used in the case of Sb2S3. Photoluminescence quenching analysis is performed for the different TiO2-P3HT interfaces to gain insight into the mechanism of charge separation. For further analysis, the different modifiers are tested in solar cells. We focus on bilayered devices with a well-defined near-planar TiO2 P3HT interface for easier data analysis. Absorption of light by the modifiers can thus be neglected. In addition, detailed current density-voltage curve analysis, photovoltage, and photocurrent decay measurements reveal mechanisms of charge carrier recombination and extraction. Our study underlines the importance of recombination control and matching energy levels as well as proper alignment of P3HT at the interface.</dcterms:abstract> <bibo:uri rdf:resource="http://kops.uni-konstanz.de/handle/123456789/17966"/> <dcterms:hasPart rdf:resource="https://kops.uni-konstanz.de/bitstream/123456789/17966/1/PDF.pdf"/> <dc:creator>Auras, Florian</dc:creator> <dc:creator>Bein, Thomas</dc:creator> <dc:rights>deposit-license</dc:rights> <dcterms:title>Characterization of interfacial modifiers for hybrid solar cells</dcterms:title> <void:sparqlEndpoint rdf:resource="http://localhost/fuseki/dspace/sparql"/> <dcterms:isPartOf rdf:resource="https://kops.uni-konstanz.de/rdf/resource/123456789/41"/> <dcterms:issued>2011</dcterms:issued> <dspace:hasBitstream rdf:resource="https://kops.uni-konstanz.de/bitstream/123456789/17966/1/PDF.pdf"/> <dc:creator>Schmidt-Mende, Lukas</dc:creator> <dcterms:bibliographicCitation>First publ. in: The Journal of Physical Chemistry C ; 115 (2011), 30. - pp. 15081-15088</dcterms:bibliographicCitation> <foaf:homepage rdf:resource="http://localhost:8080/jspui"/> <dc:creator>Weickert, Jonas</dc:creator> <dc:contributor>Schmidt-Mende, Lukas</dc:contributor> <dc:date rdf:datatype="http://www.w3.org/2001/XMLSchema#dateTime">2012-02-14T15:34:40Z</dc:date> <dc:contributor>Bein, Thomas</dc:contributor> </rdf:Description> </rdf:RDF>

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