Synthesis of a conjugated pyrrolopyridazinedione-benzodithiophene (PPD-BDT) copolymer and its application in organic and hybrid solar cells.

IF 1.7 4区化学 Q3 CHEMISTRY, MULTIDISCIPLINARY

Monatshefte Fur Chemie Pub Date : 2017-01-01 Epub Date: 2017-03-30 DOI:10.1007/s00706-017-1949-1

Astrid-Caroline Knall, Andrew O F Jones, Birgit Kunert, Roland Resel, David Reishofer, Peter W Zach, Mindaugas Kirkus, Iain McCulloch, Thomas Rath

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引用次数: 8

Abstract

Abstract: Herein, we describe the synthesis and characterization of a conjugated donor-acceptor copolymer consisting of a pyrrolopyridazinedione (PPD) acceptor unit, and a benzodithiophene (BDT) donor unit. The polymerization was done via a Stille cross-coupling polycondensation. The resulting PPD-BDT copolymer revealed an optical bandgap of 1.8 eV and good processability from chlorobenzene solutions. In an organic solar cell in combination with PC₇₀BM, the polymer led to a power conversion efficiency of 4.5%. Moreover, the performance of the copolymer was evaluated in polymer/nanocrystal hybrid solar cells using non-toxic CuInS₂ nanocrystals as inorganic phase, which were prepared from precursors directly in the polymer matrix without using additional capping ligands. The PPD-BDT/CuInS₂ hybrid solar cells showed comparably high photovoltages and a power conversion efficiency of 2.2%.

Graphical abstract:

Abstract Image

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共轭吡咯吡啶二酮-苯二噻吩共聚物的合成及其在有机和杂化太阳能电池中的应用。

摘要:本文描述了一种由吡咯啉吡啶二酮(PPD)受体单元和苯二噻吩(BDT)给体单元组成的共轭给体-受体共聚物的合成和表征。聚合是通过Stille交叉偶联缩聚完成的。所制得的PPD-BDT共聚物具有1.8 eV的光学带隙和良好的氯苯溶液加工性。在与PC70BM结合的有机太阳能电池中，该聚合物的功率转换效率达到4.5%。此外，采用无毒的CuInS2纳米晶作为无机相，直接在聚合物基体中制备前驱体而不使用额外的盖层配体，在聚合物/纳米晶混合太阳能电池中对共聚物的性能进行了评价。PPD-BDT/CuInS2混合太阳能电池具有较高的光伏发电效率和2.2%的功率转换效率。图形化的简介:

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Monatshefte Fur Chemie 化学-化学综合

CiteScore

3.70

自引率

5.60%

发文量

116

审稿时长

3.3 months

期刊介绍： "Monatshefte für Chemie/Chemical Monthly" was originally conceived as an Austrian journal of chemistry. It has evolved into an international journal covering all branches of chemistry. Featuring the most recent advances in research in analytical chemistry, biochemistry, inorganic, medicinal, organic, physical, structural, and theoretical chemistry, Chemical Monthly publishes refereed original papers and a section entitled "Short Communications". Reviews, symposia in print, and issues devoted to special fields will also be considered.