کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
7705881 | 1497301 | 2018 | 6 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Graphene decorated Pd-Ag nanoparticles for H2 sensing
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موضوعات مرتبط
مهندسی و علوم پایه
شیمی
الکتروشیمی
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چکیده انگلیسی
Hydrogen sensor based on graphene nano-composite with Pd-Ag nanoparticles was fabricated by MEMS process. Structural and morphological properties of the sensing film were studied by an energy dispersive spectroscopy (EDS) and field emission scanning electron microscopy (FESEM), respectively. The H2 sensing properties of as-formed sensor were investigated by measuring the resistance changes at different H2 concentrations. The maximum gas response was 16.2% at 1000Â ppm of H2 gas. The gas sensitivity of the as-formed H2 sensor showed linear behavior with the hydrogen concentration. Experimental results showed that the coupling of graphene with Pd/Ag alloy enhanced significantly hydrogen sensing performance.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: International Journal of Hydrogen Energy - Volume 43, Issue 24, 14 June 2018, Pages 11397-11402
Journal: International Journal of Hydrogen Energy - Volume 43, Issue 24, 14 June 2018, Pages 11397-11402
نویسندگان
Bharat Sharma, Jung-Sik Kim,