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Article: A Switchable Interconnecting Layer for High Performance Tandem Organic Solar Cell

TitleA Switchable Interconnecting Layer for High Performance Tandem Organic Solar Cell
Authors
Keywordsinterconnecting layer
organic solar cells
tandem
Issue Date2017
PublisherWiley - VCH Verlag GmbH & Co. KGaA. The Journal's web site is located at http://onlinelibrary.wiley.com/journal/10.1002/(ISSN)1614-6840
Citation
Advanced Energy Materials, 2017, v. 7 n. 21, p. 1701164 How to Cite?
AbstractThe all-solution-processed switchable interconnecting layer (ICL) for both inverted and normal tandem organic solar cells (OSCs) is reported for the first time here. The fundamental challenges in the literature arise from mixing multiple functionalities into a single layer. For a widely used ICL composed of an electron transport layer (ETL)/a hole transport layer (HTL), ETL needs not only to efficiently extract electrons from an underneath photoactive layer, but also to fulfill optical, mechanical, chemical and electrical requirements to function as effective tunneling junction ICL with HTL atop. Taking on multiple functionalities for a single ETL makes ETL in ICL highly coupled and difficult to be replaced. This is also the case for HTL. Here, this study demonstrates an all-solution-processed switchable ICL, ETL/recombination layer (RL)/HTL and HTL/RL/ETL, for both normal and inverted tandem OSCs. In switchable ICL, ETL and HTL simply serve as carrier transport layers as they did in single OSCs. Electrical recombination, mechanical protection and chemical separation functionalities are realized by RL alone. This strategy shifts the views of ICL for tandem OSCs from conventionally complicated ETL/HTL tunneling junction ICL, where both ETL and HTL play several different roles, towards simplified ICL where ETL and HTL play a distinct decoupled role, advancing ICL for more adaptable tandem OSCs. © 2017 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim
Persistent Identifierhttp://hdl.handle.net/10722/244986
ISSN
2017 Impact Factor: 21.875
2015 SCImago Journal Rankings: 6.411
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorLau, S-
dc.contributor.authorLin, H-
dc.contributor.authorZhang, S-
dc.contributor.authorHou, J-
dc.contributor.authorChoy, WCH-
dc.date.accessioned2017-09-18T02:02:37Z-
dc.date.available2017-09-18T02:02:37Z-
dc.date.issued2017-
dc.identifier.citationAdvanced Energy Materials, 2017, v. 7 n. 21, p. 1701164-
dc.identifier.issn1614-6832-
dc.identifier.urihttp://hdl.handle.net/10722/244986-
dc.description.abstractThe all-solution-processed switchable interconnecting layer (ICL) for both inverted and normal tandem organic solar cells (OSCs) is reported for the first time here. The fundamental challenges in the literature arise from mixing multiple functionalities into a single layer. For a widely used ICL composed of an electron transport layer (ETL)/a hole transport layer (HTL), ETL needs not only to efficiently extract electrons from an underneath photoactive layer, but also to fulfill optical, mechanical, chemical and electrical requirements to function as effective tunneling junction ICL with HTL atop. Taking on multiple functionalities for a single ETL makes ETL in ICL highly coupled and difficult to be replaced. This is also the case for HTL. Here, this study demonstrates an all-solution-processed switchable ICL, ETL/recombination layer (RL)/HTL and HTL/RL/ETL, for both normal and inverted tandem OSCs. In switchable ICL, ETL and HTL simply serve as carrier transport layers as they did in single OSCs. Electrical recombination, mechanical protection and chemical separation functionalities are realized by RL alone. This strategy shifts the views of ICL for tandem OSCs from conventionally complicated ETL/HTL tunneling junction ICL, where both ETL and HTL play several different roles, towards simplified ICL where ETL and HTL play a distinct decoupled role, advancing ICL for more adaptable tandem OSCs. © 2017 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim-
dc.languageeng-
dc.publisherWiley - VCH Verlag GmbH & Co. KGaA. The Journal's web site is located at http://onlinelibrary.wiley.com/journal/10.1002/(ISSN)1614-6840-
dc.relation.ispartofAdvanced Energy Materials-
dc.rightsPreprint This is the pre-peer reviewed version of the following article: [FULL CITE], which has been published in final form at [Link to final article]. Authors are not required to remove preprints posted prior to acceptance of the submitted version. Postprint This is the peer reviewed version of the following article: [FULL CITE], which has been published in final form at [Link to final article using the DOI]. This article may be used for non-commercial purposes in accordance with Wiley Terms and Conditions for Self-Archiving: http://olabout.wiley.com/WileyCDA/Section/id-828039.html#terms-
dc.subjectinterconnecting layer-
dc.subjectorganic solar cells-
dc.subjecttandem-
dc.titleA Switchable Interconnecting Layer for High Performance Tandem Organic Solar Cell-
dc.typeArticle-
dc.identifier.emailChoy, WCH: chchoy@eee.hku.hk-
dc.identifier.authorityChoy, WCH=rp00218-
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1002/aenm.201701164-
dc.identifier.scopuseid_2-s2.0-85033216064-
dc.identifier.hkuros279082-
dc.identifier.volume7-
dc.identifier.issue21-
dc.identifier.spage1701164-
dc.identifier.epage1701164-
dc.identifier.isiWOS:000414711100022-
dc.publisher.placeGermany-

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