کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
1244695 969697 2010 7 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Novel luminescent Ir(III) dyes for developing highly sensitive oxygen sensing films
موضوعات مرتبط
مهندسی و علوم پایه شیمی شیمی آنالیزی یا شیمی تجزیه
پیش نمایش صفحه اول مقاله
Novel luminescent Ir(III) dyes for developing highly sensitive oxygen sensing films
چکیده انگلیسی

New sensing films have been developed for the detection of molecular oxygen. These films are based on luminescent Ir(III) dyes incorporated either into polystyrene (with and without plasticizer) or metal oxide, nanostructured material. The preparation and characterization of each film have been investigated in detail. Due to their high sensitivity for low oxygen concentration, the parameters pO2(S=1/2)pO2(S=1/2) and ΔI1% have been also evaluated in order to establish the most sensitive membrane for controlling concentrations between 0 and 10% and low oxygen concentrations (lower than 1%), respectively. The results show that the use of nanostructured material increased the sensitivity of the film; the most sensitive membrane for controlling O2 between 0 and 10% is based on N1001 immobilized in AP200/19 (ksv = 2848 ± 101 bar−1 and pO2(S=1/2)=0.0006pO2(S=1/2)=0.0006), and the complex N969 incorporated into AP200/19 seems to be the most suitable for applications in oxygen trace sensing (ΔI1% = 93.13 ± 0.13%).

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Talanta - Volume 82, Issue 2, 15 July 2010, Pages 620–626
نویسندگان
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