{"@context":{"@vocab":"https://cir.nii.ac.jp/schema/1.0/","rdfs":"http://www.w3.org/2000/01/rdf-schema#","dc":"http://purl.org/dc/elements/1.1/","dcterms":"http://purl.org/dc/terms/","foaf":"http://xmlns.com/foaf/0.1/","prism":"http://prismstandard.org/namespaces/basic/2.0/","cinii":"http://ci.nii.ac.jp/ns/1.0/","datacite":"https://schema.datacite.org/meta/kernel-4/","ndl":"http://ndl.go.jp/dcndl/terms/","jpcoar":"https://github.com/JPCOAR/schema/blob/master/2.0/"},"@id":"https://cir.nii.ac.jp/crid/1361137045674897664.json","@type":"Article","productIdentifier":[{"identifier":{"@type":"DOI","@value":"10.1002/adfm.201200512"}},{"identifier":{"@type":"URI","@value":"https://api.wiley.com/onlinelibrary/tdm/v1/articles/10.1002%2Fadfm.201200512"}},{"identifier":{"@type":"URI","@value":"https://advanced.onlinelibrary.wiley.com/doi/pdf/10.1002/adfm.201200512"}}],"dc:title":[{"@value":"The Impact of Molecular Orientation on the Photovoltaic Properties of a Phthalocyanine/Fullerene Heterojunction"}],"description":[{"type":"abstract","notation":[{"@value":"<jats:title>Abstract</jats:title><jats:p>The anisotropy inherent to many planar organic molecules leads to a high sensitivity of various fundamental processes to the orientation of molecules within films and at heterojunctions. Such processes include absorption, charge and exciton transport, energy levels, and charge transfer, all of which are critical to organic solar cell operation. Here,an in‐depth study of bilayer cells consisting of a donor/acceptor interface between zinc phthalocyanine (ZnPc) and fullerene (C<jats:sub>60</jats:sub>) is conducted and devices with the typically deposited standing up (edge‐on) orientation are compared to those with ZnPc lying flat (face‐on). The face‐on ZnPc‐based device allows for an increase in all solar cell parameters, substantially increasing power conversion efficiency from 1.5% to 2.8%. Spectrally resolved photocurrent measurements reveal a >50% increase in ZnPc signal, from which only 12% is accounted for by the increase in absorption associated with the face‐on orientation. The increase in internal quantum efficiency is accounted for via an improved charge transfer. The results of this study indicate that proper consideration of the orientation between donor and acceptor needs to be taken in order to fully optimize the numerous processes required for photovoltaic energy conversion.</jats:p>"}]}],"creator":[{"@id":"https://cir.nii.ac.jp/crid/1381137045674897673","@type":"Researcher","foaf:name":[{"@value":"Barry P. Rand"}]},{"@id":"https://cir.nii.ac.jp/crid/1381137045674897664","@type":"Researcher","foaf:name":[{"@value":"David Cheyns"}]},{"@id":"https://cir.nii.ac.jp/crid/1381137045674897667","@type":"Researcher","foaf:name":[{"@value":"Karolien Vasseur"}]},{"@id":"https://cir.nii.ac.jp/crid/1381137045674897668","@type":"Researcher","foaf:name":[{"@value":"Noel C. Giebink"}]},{"@id":"https://cir.nii.ac.jp/crid/1381137045674897669","@type":"Researcher","foaf:name":[{"@value":"Sébastien Mothy"}]},{"@id":"https://cir.nii.ac.jp/crid/1381137045674897666","@type":"Researcher","foaf:name":[{"@value":"Yuanping Yi"}]},{"@id":"https://cir.nii.ac.jp/crid/1381137045674897672","@type":"Researcher","foaf:name":[{"@value":"Veaceslav Coropceanu"}]},{"@id":"https://cir.nii.ac.jp/crid/1381137045674897671","@type":"Researcher","foaf:name":[{"@value":"David Beljonne"}]},{"@id":"https://cir.nii.ac.jp/crid/1381137045674897670","@type":"Researcher","foaf:name":[{"@value":"Jérôme Cornil"}]},{"@id":"https://cir.nii.ac.jp/crid/1380298342059852672","@type":"Researcher","foaf:name":[{"@value":"Jean‐Luc Brédas"}]},{"@id":"https://cir.nii.ac.jp/crid/1381137045674897665","@type":"Researcher","foaf:name":[{"@value":"Jan Genoe"}]}],"publication":{"publicationIdentifier":[{"@type":"PISSN","@value":"1616301X"},{"@type":"EISSN","@value":"16163028"}],"prism:publicationName":[{"@value":"Advanced Functional Materials"}],"dc:publisher":[{"@value":"Wiley"}],"prism:publicationDate":"2012-04-16","prism:volume":"22","prism:number":"14","prism:startingPage":"2987","prism:endingPage":"2995"},"reviewed":"false","dc:rights":["http://onlinelibrary.wiley.com/termsAndConditions#vor"],"url":[{"@id":"https://api.wiley.com/onlinelibrary/tdm/v1/articles/10.1002%2Fadfm.201200512"},{"@id":"https://advanced.onlinelibrary.wiley.com/doi/pdf/10.1002/adfm.201200512"}],"createdAt":"2012-04-16","modifiedAt":"2025-10-06","relatedProduct":[{"@id":"https://cir.nii.ac.jp/crid/1050299693925349504","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@language":"en","@value":"Crystal structure analysis in solution-processed uniaxially oriented polycrystalline thin film of non-peripheral octahexyl phthalocyanine by grazing incidence wide-angle x-ray scattering techniques"}]},{"@id":"https://cir.nii.ac.jp/crid/1360004233121868544","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@value":"Effects of Molecular Orientation of a Fullerene Derivative at the Donor/Acceptor Interface on the Device Performance of Organic Photovoltaics"}]},{"@id":"https://cir.nii.ac.jp/crid/1360004239641671808","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@value":"Synthesis and application of trifluoroethoxy-substituted phthalocyanines and subphthalocyanines"}]},{"@id":"https://cir.nii.ac.jp/crid/1360009142587420032","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@value":"Morphological and optical properties of α- and β-phase zinc (∥) phthalocyanine thin films for application to organic photovoltaic cells"}]},{"@id":"https://cir.nii.ac.jp/crid/1360285704857017088","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@value":"The Impact of Disorder on the Energy Level Alignment at Molecular Donor–Acceptor Interfaces"}]},{"@id":"https://cir.nii.ac.jp/crid/1360285705862255744","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@value":"Solar Cell Applications of π-Conjugated Molecules"}]},{"@id":"https://cir.nii.ac.jp/crid/1360285711149835136","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@value":"Templating effects of tetrakis(thiadiazole)porphyrazine on the structure and optical properties of copper phthalocyanine thin films"}]},{"@id":"https://cir.nii.ac.jp/crid/1360567182462113280","@type":"Article","resourceType":"学術雑誌論文(journal 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