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首页> 外文期刊>RSC Advances >Thiazolo[5,4-d]thiazole-based organic sensitizers with strong visible light absorption for transparent, efficient and stable dye-sensitized solar cells
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Thiazolo[5,4-d]thiazole-based organic sensitizers with strong visible light absorption for transparent, efficient and stable dye-sensitized solar cells

机译：噻唑洛[5,4-D]噻唑类有机敏化剂，具有透明，高效且稳定的染料敏化太阳能电池的强烈可见光吸收

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摘要

A small set of thiazolo[5,4-d] thiazole-based D-pi-A organic dyes, endowed with bis-pentylpropylenedioxythiophene (ProDOT) moieties in the pi-spacer, was designed with the aid of computational analysis, synthesized and characterized. The presence of bulky and electronrich ProDOT groups beside the electron poor thiazolothiazole unit induced optimal physico-chemical properties, including broad and intense visible light absorption. As a consequence, the dyes were particularly suitable for application in thin layer dye-sensitized solar cells (TiO2 thickness: 3.0-6.5 mu m). Small-scale (0.25 cm(2)) devices prepared using standard materials and fabrication techniques gave power conversion efficiencies up to 7.71%, surpassing those obtained with two different reference dyes. Transparent larger area cells (3.6 cm(2)) also showed good eta values up to 6.35%, not requiring the use of a co-adsorbent, and retained their initial efficiency over a period of 1000 h storage at 85 degrees C. These results make this new family of organic sensitizers promising candidates for successful application in the production of efficient and stable transparent DSSCs for building-integrated photovoltaics.
机译：借助于计算分析，借助于计算分析，设计了一小组噻唑[5,4-D]噻唑基D-PI-A有机染料，借助于计算分析，合成和表征设计。在电子贫噻唑噻唑单元旁边的笨重和电子产品的存在诱导最佳的物理化学性质，包括宽且强烈的可见光吸收。结果，染料特别适用于薄层染料敏化太阳能电池（TiO 2厚度：3.0-6.5μm）。使用标准材料制备的小刻度（0.25厘米（2））器件和制造技术使功率转化效率高达7.71％，超过两种不同参考染料的那些。透明的较大区域细胞（3.6cm（2））也显示出良好的ETA值，高达6.35％，不需要使用共吸附剂，并在85℃下在1000小时内保留其初始效率。这些结果使这家新家的有机敏感剂在生产高效稳定的透明DSSC中有希望的候选人，用于建筑集成光伏的生产。

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  • 来源
    《RSC Advances》 |2015年第41期|共12页
  • 作者

    Dessi Alessio; Calamante Massimo; Mordini Alessandro; Peruzzini Maurizio; Sinicropi Adalgisa; Basosi Riccardo; de Biani Fabrizia Fabrizi; Taddei Maurizio; Colonna Daniele; di Carlo Aldo; Reginato Gianna; Zani Lorenzo;

  • 作者单位

    CNR ICCOM Ist Chim Composti Organometallici I-50019 Sesto Fiorentino FI Italy;

    CNR ICCOM Ist Chim Composti Organometallici I-50019 Sesto Fiorentino FI Italy;

    CNR ICCOM Ist Chim Composti Organometallici I-50019 Sesto Fiorentino FI Italy;

    CNR ICCOM Ist Chim Composti Organometallici I-50019 Sesto Fiorentino FI Italy;

    Univ Siena Dipartimento Biotecnol I-53100 Siena Italy;

    Univ Siena Dipartimento Biotecnol I-53100 Siena Italy;

    Univ Siena Dipartimento Biotecnol I-53100 Siena Italy;

    Univ Siena Dipartimento Biotecnol I-53100 Siena Italy;

    Dyepower Consortium I-00185 Rome Italy;

    Dyepower Consortium I-00185 Rome Italy;

    CNR ICCOM Ist Chim Composti Organometallici I-50019 Sesto Fiorentino FI Italy;

    CNR ICCOM Ist Chim Composti Organometallici I-50019 Sesto Fiorentino FI Italy;

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