Laser prepared organic heterostructures based on star-shaped arylenevinylene compounds
作者： A. Stanculescu , G. Socol , M. Grigoras , T. Ivan , L. Vacareanu
DOI: 10.1007/S00339-014-8521-1
关键词: Evaporation (deposition) 、 Sulfonic acid 、 Maple 、 Triphenylamine 、 Acceptor 、 Materials science 、 Polymer chemistry 、 Heterojunction 、 Fullerene 、 Polymer solar cell
摘要: This paper presents some studies about the preparation by matrix-assisted pulsed laser evaporation (MAPLE) technique of organic bulk heterojunctions made from mixture a star-shaped arylenevinylene compound, 4,4′,4″-tris[(4′-diphenylamino)styryl] triphenylamine as donor and fullerene derivative, [6, 6]-phenyl C61 butyric acid butyl ester, acceptor, in weight ratio 1:2. The mixed layer has been characterized spectroscopic (UV–Vis, Fourier transform infrared) microscopic (AFM) methods, effects deposition conditions (number pulses) buffer poly(aniline-co-aniline propane sulfonic acid) or poly(3,4-ethylenedioxythiophene) poly(styrenesulfonate) have analyzed. study electrical properties revealed typical solar cell behavior for heterostructure glass/ITO/poly(3,4-ethylenedioxythiophene):poly(styrenesulfonate)/4,4′,4″-tris[(4′-diphenylamino)styryl] triphenylamine: ester/Al, confirming that MAPLE could be an adequate method active based on heterojunction cells.
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