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Issue 10, 2009
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Synthesis and photovoltaic properties of novel solution-processable triphenylamine-based dendrimers with sulfonyldibenzene cores

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Abstract

Three conjugated dendrimers containing electron-accepting sulfonyldibenzene (SDB) cores and electron-donating triphenylamine dendrons have been synthesized through a convergent synthetic strategy without any protection/deprotection chemistry. The dendrimers were highly soluble in common organic solvents, and could form good quality optical films by spin coating. Their thermal, optical and electrical properties are manipulated by attaching different peripheral dendrons. Using these dendrimers as donors and [6,6]-phenyl C61-butyric acid methyl ester (PCBM) as acceptor, the bulk heterojunction solar cells with a structure of ITO–PEDOT–dendrimers:PCBM–LiF–Al were fabricated. The cell based on dendrimer G0 shows a relatively high power-conversion efficiency (PCE) of 0.34% under AM 1.5 illumination of 100 mW cm−2.

Graphical abstract: Synthesis and photovoltaic properties of novel solution-processable triphenylamine-based dendrimers with sulfonyldibenzene cores

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Publication details

The article was received on 05 Jun 2009, accepted on 15 Jul 2009 and first published on 10 Aug 2009


Article type: Paper
DOI: 10.1039/B9NJ00236G
Citation: New J. Chem., 2009,33, 2120-2127
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    Synthesis and photovoltaic properties of novel solution-processable triphenylamine-based dendrimers with sulfonyldibenzene cores

    K. Li, J. Qu, B. Xu, Y. Zhou, L. Liu, P. Peng and W. Tian, New J. Chem., 2009, 33, 2120
    DOI: 10.1039/B9NJ00236G

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