Fundamentals of Solar Cell Design. Rajender Boddula
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Название: Fundamentals of Solar Cell Design

Автор: Rajender Boddula

Издательство: John Wiley & Sons Limited

Жанр: Физика

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isbn: 9781119725046

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СКАЧАТЬ fused rings (Donor) with attached BTD andrhodanine (O-IDTBR) or dicyanovinylelene (O-IDTBCN)groups (Figure 1.25) on both sides, to understand the role of end groups in tuning the organic solar cell photo voltaic parameters. Deeper lying energy levels are observed for O-IDTBCN carrying strong electron withdrawing dicyano vinylelene group. PTB7-Th low band gap polymer was employed as donor in solar cell fabrications. Overlay of absorption spectra of O-IDTBR, O-IDTBCN and PTB7-Th indicates that a coverage of 400- to 850-nm region. PTB7-Th blended with O-IDTBR or O-IDTBCN were used for the fabrication of inverted OBHJS Cells with an architecture: ITO/ZnO/PTB7-Th+O-IDTBR or O-IDTBCN/MoO3/Ag. PCE recorded were found to be 9.5% for O-IDTBR and 10.5% for O-IDTBCN, furthermore other photo voltaic parameters were also improved.

Chemical structures of the Halo-dicyanoindacenyl derivatives. Chemical structures of the Contiguously fused five rings having attached BTD and rhodanine or dicyanovinylelene groups.

      Improved charge separation and collection in [PTB7-Th + O-IDTBCN] blend was explained based on the average charge carrier mobility and lifetime data generated.

Chemical structures of the fused seven membered ring with bromovinyldicyanoindenones.

Chemical structures of the Trimeric BDT linked rhodanine. Chemical structures of the Dicycanoindacenyl and rhodanine end group small-molecule 
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