Bis(1,2,5-thiadiazolo)-p-quinobis(1,3-dithiole) (BTQBT) templating effect on structure and performance of organic solar cells

Yasuhiro Iwasawa, Yukio Furukawa

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Abstract

    We have studied the templating effect of bis(1,2,5-thiadiazolo)-p-quinobis(1,3-dithiole) (BTQBT) on structure and performance of organic solar cells having the multilayer of ITO/BTQBT/metal-free phthalocyanine (H2Pc)/C60/2,9-dimethyl-4,7-diphenyl-1,10-phenanthroline (BCP)/Al. Orientation of H2Pc molecules has been studied by infrared reflection-absorption spectroscopy. The angle between the molecular plane and the substrate surface was 82° for an ITO/H2Pc sample, whereas 32 ° for an ITO/BTQBT/H2Pc sample. The angle depends on the materials below the H2Pc layer. The short-circuit current was increased from 3.97 to 5.45 mA/cm2 by the insertion of the BTQBT layer. This result probably originates from the change in orientation of H2Pc molecules. The power conversion efficiency of the solar cell with the ITO/BTQBT/H2Pc/C60/BCP/Al structure was 1.4 %, whereas that of a cell without the BTQBT layer was 1.1 %. The efficiency was also enhanced by the insertion of the BTQBT layer.

    Original languageEnglish
    Title of host publicationAIP Conference Proceedings
    Pages47-49
    Number of pages3
    Volume1554
    DOIs
    Publication statusPublished - 2013
    EventPadjadjaran International Physics Symposium 2013: Contribution of Physics on Environmental and Energy Conservations, PIPS 2013 - Jatinangor, Bandung
    Duration: 2013 May 72013 May 9

    Other

    OtherPadjadjaran International Physics Symposium 2013: Contribution of Physics on Environmental and Energy Conservations, PIPS 2013
    CityJatinangor, Bandung
    Period13/5/713/5/9

    Fingerprint

    ITO (semiconductors)
    solar cells
    insertion
    infrared reflection
    short circuit currents
    molecules
    absorption spectroscopy
    cells
    metals

    Keywords

    • BTQBT
    • Infrared
    • Organic solar cells
    • Templating effect

    ASJC Scopus subject areas

    • Physics and Astronomy(all)

    Cite this

    Bis(1,2,5-thiadiazolo)-p-quinobis(1,3-dithiole) (BTQBT) templating effect on structure and performance of organic solar cells. / Iwasawa, Yasuhiro; Furukawa, Yukio.

    AIP Conference Proceedings. Vol. 1554 2013. p. 47-49.

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Iwasawa, Y & Furukawa, Y 2013, Bis(1,2,5-thiadiazolo)-p-quinobis(1,3-dithiole) (BTQBT) templating effect on structure and performance of organic solar cells. in AIP Conference Proceedings. vol. 1554, pp. 47-49, Padjadjaran International Physics Symposium 2013: Contribution of Physics on Environmental and Energy Conservations, PIPS 2013, Jatinangor, Bandung, 13/5/7. https://doi.org/10.1063/1.4820280
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    abstract = "We have studied the templating effect of bis(1,2,5-thiadiazolo)-p-quinobis(1,3-dithiole) (BTQBT) on structure and performance of organic solar cells having the multilayer of ITO/BTQBT/metal-free phthalocyanine (H2Pc)/C60/2,9-dimethyl-4,7-diphenyl-1,10-phenanthroline (BCP)/Al. Orientation of H2Pc molecules has been studied by infrared reflection-absorption spectroscopy. The angle between the molecular plane and the substrate surface was 82° for an ITO/H2Pc sample, whereas 32 ° for an ITO/BTQBT/H2Pc sample. The angle depends on the materials below the H2Pc layer. The short-circuit current was increased from 3.97 to 5.45 mA/cm2 by the insertion of the BTQBT layer. This result probably originates from the change in orientation of H2Pc molecules. The power conversion efficiency of the solar cell with the ITO/BTQBT/H2Pc/C60/BCP/Al structure was 1.4 {\%}, whereas that of a cell without the BTQBT layer was 1.1 {\%}. The efficiency was also enhanced by the insertion of the BTQBT layer.",
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    AB - We have studied the templating effect of bis(1,2,5-thiadiazolo)-p-quinobis(1,3-dithiole) (BTQBT) on structure and performance of organic solar cells having the multilayer of ITO/BTQBT/metal-free phthalocyanine (H2Pc)/C60/2,9-dimethyl-4,7-diphenyl-1,10-phenanthroline (BCP)/Al. Orientation of H2Pc molecules has been studied by infrared reflection-absorption spectroscopy. The angle between the molecular plane and the substrate surface was 82° for an ITO/H2Pc sample, whereas 32 ° for an ITO/BTQBT/H2Pc sample. The angle depends on the materials below the H2Pc layer. The short-circuit current was increased from 3.97 to 5.45 mA/cm2 by the insertion of the BTQBT layer. This result probably originates from the change in orientation of H2Pc molecules. The power conversion efficiency of the solar cell with the ITO/BTQBT/H2Pc/C60/BCP/Al structure was 1.4 %, whereas that of a cell without the BTQBT layer was 1.1 %. The efficiency was also enhanced by the insertion of the BTQBT layer.

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