Dicyanopyrazine-linked porphyrin Langmuir-Blodgett films.
作者： Sung Taek Kang , Heejoon Ahn
DOI: 10.1016/J.JCIS.2007.12.040
关键词: Arachidic acid 、 Deposition (chemistry) 、 Ellipsometry 、 Substrate (chemistry) 、 Dication 、 Porphyrin 、 Photochemistry 、 Wetting 、 Chemistry 、 Langmuir–Blodgett film
摘要: Abstract We investigated the influence of arachidic acid/cadmium dication (AA/Cd2+) as a transfer promoter for deposition dicyanopyrazine-linked porphyrin (2-DCPP) Langmuir–Blodgett (LB) films on both hydrophobic and hydrophilic substrates. In case LB substrate, presence AA/Cd2+ does not improve 2-DCPP deposition. The poor in surface is believed to be due wetting during down-stroke deposition, this improved by agent. However, significantly AA/Cd2+. Comparison UV–visible spectrum film with that 2-DCCP dissolved chloroform reveals Soret Q bands are broadened red-shifted aggregation rings film. spectral changes ellipsometry function number layers suggest continuous 2-DCPP/AA onto substrate reproducibility process. upon acid vapor exposure have also been investigated, these measurements may chemical sensor applications.
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