کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
745341 | 894418 | 2009 | 6 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Phthalocyanine films as active layers of optical sensors for pentachlorophenol detection
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
شیمی
شیمی آنالیزی یا شیمی تجزیه
پیش نمایش صفحه اول مقاله
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چکیده انگلیسی
In this work, thin films of octasubstituted zinc phthalocyanine derivative (ZnPcR8) with bulky substituents R = –CH2N(SO2C6H5–CH3)CH2(CH2)8CH3 are investigated as active layers of optical sensors for the detection of pentachlorophenol. Using total internal reflection ellipsometry (TIRE) technique response characteristics of ZnPcR8 films to pentachlorophenol was studied in the concentration range 0.5–50 μg/l. It was demonstrated that the specific binding of pentachlorophenol molecules causes substantial shift of Δ(λ) spectrum. The minimum registered concentration of pentachlorophenol was 0.8 μg/l. The results are supported by performing attenuated total reflection Fourier transform infrared (ATR-FTIR) difference spectroscopy.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Sensors and Actuators B: Chemical - Volume 139, Issue 2, 4 June 2009, Pages 557–562
Journal: Sensors and Actuators B: Chemical - Volume 139, Issue 2, 4 June 2009, Pages 557–562
نویسندگان
Tamara Basova, Vladimir Plyashkevich, Aseel Hassan, Ayşe Gül Gürek, Gülay Gümüş, Vefa Ahsen,