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نوع الوثيقة |
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مقال في مجلة دورية |
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عنوان الوثيقة |
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Highly sensitive ethanol chemical sensor based on Ni-doped SnO2 nanostructure materials Highly sensitive ethanol chemical sensor based on Ni-doped SnO2 nanostructure materials |
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الموضوع |
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كيمياء |
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لغة الوثيقة |
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الانجليزية |
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المستخلص |
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Due to potential applications of semiconductor transition doped nanostructure materials and the important advantages of synthesis in cost-effective and environmental concerns, a significant effort has been consummated for improvement of Ni-doped SnO 2 nanomaterials using hydrothermal technique at room conditions. The structural and optical properties of the low-dimensional (average diameter, 52.4nm) Ni-doped SnO 2 nanostructures were demonstrated using various conventional techniques such as UV/visible spectroscopy, FT-IR spectroscopy, X-ray powder diffraction (XRD), and Field-emission scanning electron microscopy (FE-SEM). The calcined doped material is an attractive semiconductor nanoparticle for accomplishment in chemical sensing by simple I-V technique, where toxic chemical (ethanol) is used as a target chemical. Thin-film of Ni-doped SnO 2 nanostructure materials with conducting coating agents on silver electrodes (AgE, surface area, 0.0216cm 2) revealed higher sensitivity and repeatability. The calibration plot is linear (R, 0.8440) over the large dynamic range (1.0nM-1.0mM), where the sensitivity is approximately 2.3148μAcm -2mM -1 with a detection limit of 0.6nM, based on signal/noise ratio in short response time. Consequently on the basis of the sensitive communication among structures, morphologies, and properties, it is exemplified that the morphologies and the optical characteristics can be extended to a large scale in doping nanomaterials and proficient chemical sensors applications. |
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ردمد |
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0956-5663 |
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اسم الدورية |
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Biosensors and Bioelectronics |
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المجلد |
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28 |
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العدد |
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1 |
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سنة النشر |
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1432 هـ
2011 م |
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نوع المقالة |
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مقالة علمية |
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تاريخ الاضافة على الموقع |
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Saturday, March 10, 2012 |
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الباحثون
| M M Rahman | Rahman, M M | باحث | دكتوراه | |
| A Jamal | Jamal, A | باحث | دكتوراه | |
| شير بهادر خان | Khan, Sher Bahadar | باحث | دكتوراه | |
| Mohd Nishat Faisal | Faisal, Mohd Nishat | باحث | دكتوراه | mdfaisalahsan@gmail.com |
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