Additive-Free Transparent Triarylamine-Based Polymeric Hole-Transport Materials for Stable Perovskite Solar Cells

• Triarylamine-based polymers with different functional groups were synthesized as hole-transport materials (HTMs) for perovskite solar cells (PSCs). The novel materials enabled efficient PSCs without the use of chem. doping (or additives) to enhance charge transport. Devices employing poly(triarylamine) with methylphenylethenyl functional groups (V873) showed a power conversion efficiency of 12.3 %, whereas widely used additive-free poly[bis(4-phenyl)(2,4,6-trimethylphenyl)amine] (PTAA) demonstrated 10.8 %. Notably, devices with V873 enabled stable PSCs under 1 sun illumination at max. power...


Published in:
ChemSusChem, 9, 18, 2567–2571
Year:
2016
Publisher:
Weinheim, Wiley-V C H Verlag Gmbh
Keywords:
Laboratories:




 Record created 2016-09-10, last modified 2018-03-17


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