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    Polymer Solar Cells with Efficiency >10% Enabled via a Facile Solution-Processed Al-Doped ZnO Electron Transporting Layer

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    Type
    Article
    Authors
    Jagadamma, Lethy Krishnan cc
    Al-Senani, Mohammed
    El Labban, Abdulrahman cc
    Gereige, Issam
    Ngongang Ndjawa, Guy Olivier cc
    Faria, Jorge C D
    Kim, Taesoo cc
    Zhao, Kui cc
    Cruciani, Federico cc
    Anjum, Dalaver H. cc
    McLachlan, Martyn A.
    Beaujuge, Pierre cc
    Amassian, Aram cc
    KAUST Department
    Advanced Nanofabrication, Imaging and Characterization Core Lab
    Chemical Science Program
    Electron Microscopy
    KAUST Solar Center (KSC)
    Material Science and Engineering Program
    Organic Electronics and Photovoltaics Group
    Physical Science and Engineering (PSE) Division
    Date
    2015-04-22
    Online Publication Date
    2015-04-22
    Print Publication Date
    2015-06
    Embargo End Date
    2016-04-22
    Permanent link to this record
    http://hdl.handle.net/10754/566017
    
    Metadata
    Show full item record
    Abstract
    A facile and low-temperature (125 °C) solution-processed Al-doped ZnO (AZO) buffer layer functioning very effectively as electron accepting/hole blocking layer for a wide range of polymer:fullerene bulk heterojunction systems, yielding power conversion efficiency in excess of 10% (8%) on glass (plastic) substrates is described. The ammonia-treatment of the aqueous AZO nanoparticle solution produces compact, crystalline, and smooth thin films, which retain the aluminum doping, and eliminates/reduces the native defects by nitrogen incorporation, making them good electron transporters and energetically matched with the fullerene acceptor. It is demonstrated that highly efficient solar cells can be achieved without the need for additional surface chemical modifications of the buffer layer, which is a common requirement for many metal oxide buffer layers to yield efficient solar cells. Also highly efficient solar cells are achieved with thick AZO films (>50 nm), highlighting the suitability of this material for roll-to-roll coating. Preliminary results on the applicability of AZO as electron injection layer in F8BT-based polymer light emitting diode are also presented. © 2015 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
    Citation
    Jagadamma, L. K., Al-Senani, M., El-Labban, A., Gereige, I., Ngongang Ndjawa, G. O., Faria, J. C. D., … Amassian, A. (2015). Polymer Solar Cells with Efficiency >10% Enabled via a Facile Solution-Processed Al-Doped ZnO Electron Transporting Layer. Advanced Energy Materials, 5(12), 1500204. doi:10.1002/aenm.201500204
    Publisher
    Wiley
    Journal
    Advanced Energy Materials
    DOI
    10.1002/aenm.201500204
    10.1002/aenm.201570065
    ae974a485f413a2113503eed53cd6c53
    10.1002/aenm.201500204
    Scopus Count
    Collections
    Articles; Imaging and Characterization Core Lab; Physical Science and Engineering (PSE) Division; Chemical Science Program; Material Science and Engineering Program; KAUST Solar Center (KSC)

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