کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
1674756 1008970 2007 5 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Fabrication and third-order nonlinearity of an ultrathin film containing perylene derivatives
موضوعات مرتبط
مهندسی و علوم پایه مهندسی مواد فناوری نانو (نانو تکنولوژی)
پیش نمایش صفحه اول مقاله
Fabrication and third-order nonlinearity of an ultrathin film containing perylene derivatives
چکیده انگلیسی

An ultrathin composite film containing cationic tetra-pyridine perylene tetracarboxylic acid diimide (TPP-I) and an anionic tetra-sulfuric perylene tetracarboxylic acid diimide (TSP-Na) has been fabricated by the electrostatic layer-by-layer self-assembly technique. UV/Vis spectra showed a continuous and uniform deposition process of TPP-I/TSP-Na. The film structure was characterized by the small-angle X-ray diffraction measurement and atomic force microscopy image. We investigated the third-order nonlinearity of the ultrathin film sample at 532 nm. The film exhibited strong saturable nonlinear absorption. The nonlinear absorption coefficient and refractive index of the film sample are − 5.0 × 10− 7 mW− 1 and − 1.2 × 10− 14 m2W− 1, respectively.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Thin Solid Films - Volume 515, Issue 18, 25 June 2007, Pages 7140–7144
نویسندگان
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