کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
5365559 1388332 2007 6 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Nanosized multilayer films with concurrent photochromism and electrochromism based on Dawson-type polyoxometalate
موضوعات مرتبط
مهندسی و علوم پایه شیمی شیمی تئوریک و عملی
پیش نمایش صفحه اول مقاله
Nanosized multilayer films with concurrent photochromism and electrochromism based on Dawson-type polyoxometalate
چکیده انگلیسی
An inorganic-organic composite multilayer film constructed of poly(vinyl alcohol) (PVA) with Dawson-type phosphotungstate anion [P2W18O62]6− (P2W18) and poly(allylamine hydrochloride) (PAH) were fabricated on quartz, ITO, silicon and CaF2 substrates by a layer-by-layer self-assembly method. The film was provided with concurrent photochromism and electrochromism. IR spectra showed that the structure of the PVA was fully maintained in the multilayer film. And their photochromic and electrochromic properties were investigated by UV-vis spectra, cyclic voltammetry (CV), chronoamperometry (CA) measurement and X-ray photoelectron spectra (XPS). Atomic force microscopy (AFM) was used to investigate the surface topography. This study provides a new route to explore the possibility of application to polyoxometalate-based hybrid inorganic-organic materials.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Applied Surface Science - Volume 253, Issue 6, 15 January 2007, Pages 3190-3195
نویسندگان
, , , ,