Polyethylenimine Interfacial Layers in Inverted Organic Photovoltaic Devices: Effects of Ethoxylation and Molecular Weight on Efficiency and Temporal Stability

We report a comparative study of polyethylenimine (PEI) and ethoxylated-polyethylenimine (PEIE) cathode buffer layers in high performance inverted organic photovoltaic devices. The work function of the indium–tin oxide (ITO)/zinc oxide (ZnO) cathode was reduced substantially (Δφ = 0.73–1.09 eV) as t...

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Veröffentlicht in:	ACS applied materials & interfaces 2015-12, Vol.7 (47), p.26167-26175
Hauptverfasser:	Courtright, Brett A. E, Jenekhe, Samson A
Format:	Artikel
Sprache:	eng
Online-Zugang:	Volltext
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