کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
186083 459607 2014 11 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Graphenated polyaniline-doped tungsten oxide nanocomposite sensor for real time determination of phenanthrene
ترجمه فارسی عنوان
سنسور نانوکامپوزیت اکسید تنگستن پلی اتیلن خنثی شده برای تعیین زمان واقعی فنانتهن
موضوعات مرتبط
مهندسی و علوم پایه مهندسی شیمی مهندسی شیمی (عمومی)
چکیده انگلیسی

A graphenated polyaniline/tungsten oxide (PANI/WO3/GR) nanocomposite sensor was prepared by electropolymerisation of a mixture of aniline monomer and tungsten oxide on a graphene-modified glassy carbon electrode (GCE). The PANI/WO3/GR/GCE nanocomposite electrode was tested as a sensor for the determination of phenanthrene. The direct electro-oxidation behaviour of phenanthrene on the PANI/WO3/GR modified GCE was carefully investigated by cyclic voltammetry. The results indicated that the PANI/WO3/GR/GCE sensor was more sensitive to phenanthrene (with a dynamic linear range of 1.0 - 6.0 pM and a detection limit of 0.123 pM.) than GCE, PANI/GCE or PANI/WO3/GCE. The sensor exhibited excellent reproducibility and long-term stability. The sensor exhibits lower detection sensitivity than the WHO permissible level of 1.12 nM phenanthrene in wastewater.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Electrochimica Acta - Volume 128, 10 May 2014, Pages 138–148
نویسندگان
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