Solution-processable MoOx nanocrystals enable highly efficient reflective and semitransparent polymer solar cells

Handle URI:
http://hdl.handle.net/10754/621593
Title:
Solution-processable MoOx nanocrystals enable highly efficient reflective and semitransparent polymer solar cells
Authors:
Jagadamma, Lethy Krishnan ( 0000-0003-4226-017X ) ; Hu, Hanlin; Kim, Taesoo ( 0000-0002-1121-2194 ) ; Ndjawa, Guy O. Ngongang; Mansour, Ahmed ( 0000-0002-3411-6808 ) ; El Labban, Abdulrahman ( 0000-0001-9891-0851 ) ; Faria, Jorge C.D.; Munir, Rahim ( 0000-0002-6029-3760 ) ; Anjum, Dalaver H.; McLachlan, Martyn A.; Amassian, Aram ( 0000-0002-5734-1194 )
Abstract:
Solution-manufacturing of organic solar cells with best-in-class power conversion efficiency (PCE) will require all layers to be solution-coated without compromising solar cell performance. To date, the hole transporting layer (HTL) deposited on top of the organic bulk heterojunction layer in the inverted architecture is most commonly an ultrathin (<10 nm) metal oxide layer prepared by vacuum-deposition. Here, we show that an alcohol-based nanocrystalline MoOx suspension with carefully controlled nanocrystal (NC) size can yield state of the art reflective and semitransparent solar cells. Using NCs smaller than the target HTL thickness (∼10 nm) can yield compact, pinhole-free films which result in highly efficient polymer:fullerene bulk heterojunction (BHJ) solar cells with PCE=9.5%. The solution processed HTL is shown to achieve performance parity with vacuum-evaporated HTLs for several polymer:fullerene combinations and is even shown to work as hole injection layer in polymer light emitting diodes (PLED). We also demonstrate that larger MoOx NCs (30–50 nm) successfully composite MoOx with Ag nanowires (NW) to form a highly conducting, transparent top anode with exceptional contact properties. This yields state-of-the-art semitransparent polymer: fullerene solar cells with PCE of 6.5% and overall transmission >30%. The remarkable performance of reflective and semitransparent OPVs is due to the uncommonly high fill factors achieved using a carefully designed strategy for implementation of MoOx nanocrystals as HTL materials. © 2016 Elsevier Ltd
KAUST Department:
Physical Sciences and Engineering (PSE) Division; Imaging and Characterization Core Lab
Citation:
Jagadamma LK, Hu H, Kim T, Ndjawa GON, Mansour AE, et al. (2016) Solution-processable MoOx nanocrystals enable highly efficient reflective and semitransparent polymer solar cells. Nano Energy 28: 277–287. Available: http://dx.doi.org/10.1016/j.nanoen.2016.08.019.
Publisher:
Elsevier BV
Journal:
Nano Energy
Issue Date:
9-Sep-2016
DOI:
10.1016/j.nanoen.2016.08.019
Type:
Article
ISSN:
2211-2855
Sponsors:
Engineering and Physical Sciences Research Council[EP/G037515/1]; Saudi Basic Industries Corporation; King Abdullah University of Science and Technology; KAUST-Imperial College Academic Excellence Alliance (AEA)
Appears in Collections:
Articles; Advanced Nanofabrication, Imaging and Characterization Core Lab; Physical Sciences and Engineering (PSE) Division

Full metadata record

DC FieldValue Language
dc.contributor.authorJagadamma, Lethy Krishnanen
dc.contributor.authorHu, Hanlinen
dc.contributor.authorKim, Taesooen
dc.contributor.authorNdjawa, Guy O. Ngongangen
dc.contributor.authorMansour, Ahmeden
dc.contributor.authorEl Labban, Abdulrahmanen
dc.contributor.authorFaria, Jorge C.D.en
dc.contributor.authorMunir, Rahimen
dc.contributor.authorAnjum, Dalaver H.en
dc.contributor.authorMcLachlan, Martyn A.en
dc.contributor.authorAmassian, Aramen
dc.date.accessioned2016-11-03T08:32:52Z-
dc.date.available2016-11-03T08:32:52Z-
dc.date.issued2016-09-09en
dc.identifier.citationJagadamma LK, Hu H, Kim T, Ndjawa GON, Mansour AE, et al. (2016) Solution-processable MoOx nanocrystals enable highly efficient reflective and semitransparent polymer solar cells. Nano Energy 28: 277–287. Available: http://dx.doi.org/10.1016/j.nanoen.2016.08.019.en
dc.identifier.issn2211-2855en
dc.identifier.doi10.1016/j.nanoen.2016.08.019en
dc.identifier.urihttp://hdl.handle.net/10754/621593-
dc.description.abstractSolution-manufacturing of organic solar cells with best-in-class power conversion efficiency (PCE) will require all layers to be solution-coated without compromising solar cell performance. To date, the hole transporting layer (HTL) deposited on top of the organic bulk heterojunction layer in the inverted architecture is most commonly an ultrathin (<10 nm) metal oxide layer prepared by vacuum-deposition. Here, we show that an alcohol-based nanocrystalline MoOx suspension with carefully controlled nanocrystal (NC) size can yield state of the art reflective and semitransparent solar cells. Using NCs smaller than the target HTL thickness (∼10 nm) can yield compact, pinhole-free films which result in highly efficient polymer:fullerene bulk heterojunction (BHJ) solar cells with PCE=9.5%. The solution processed HTL is shown to achieve performance parity with vacuum-evaporated HTLs for several polymer:fullerene combinations and is even shown to work as hole injection layer in polymer light emitting diodes (PLED). We also demonstrate that larger MoOx NCs (30–50 nm) successfully composite MoOx with Ag nanowires (NW) to form a highly conducting, transparent top anode with exceptional contact properties. This yields state-of-the-art semitransparent polymer: fullerene solar cells with PCE of 6.5% and overall transmission >30%. The remarkable performance of reflective and semitransparent OPVs is due to the uncommonly high fill factors achieved using a carefully designed strategy for implementation of MoOx nanocrystals as HTL materials. © 2016 Elsevier Ltden
dc.description.sponsorshipEngineering and Physical Sciences Research Council[EP/G037515/1]en
dc.description.sponsorshipSaudi Basic Industries Corporationen
dc.description.sponsorshipKing Abdullah University of Science and Technologyen
dc.description.sponsorshipKAUST-Imperial College Academic Excellence Alliance (AEA)en
dc.publisherElsevier BVen
dc.subjectHole injection layeren
dc.subjectHole transporting layeren
dc.subjectMolybdenum oxideen
dc.subjectOrganic solar cellsen
dc.subjectPolymer solar cellsen
dc.subjectSemitransparent solar cellsen
dc.subjectSilver nanowire electrodeen
dc.subjectTransparent electrodeen
dc.titleSolution-processable MoOx nanocrystals enable highly efficient reflective and semitransparent polymer solar cellsen
dc.typeArticleen
dc.contributor.departmentPhysical Sciences and Engineering (PSE) Divisionen
dc.contributor.departmentImaging and Characterization Core Laben
dc.identifier.journalNano Energyen
dc.contributor.institutionDepartment of Materials & Centre for Plastic Electronics, Imperial College London, United Kingdomen
kaust.authorJagadamma, Lethy Krishnanen
kaust.authorHu, Hanlinen
kaust.authorKim, Taesooen
kaust.authorNdjawa, Guy O. Ngongangen
kaust.authorMansour, Ahmeden
kaust.authorEl Labban, Abdulrahmanen
kaust.authorMunir, Rahimen
kaust.authorAnjum, Dalaver H.en
kaust.authorAmassian, Aramen
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