کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
1789264 | 1023500 | 2009 | 4 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Nanomaterial-embedded gas sensor fabrication
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موضوعات مرتبط
مهندسی و علوم پایه
فیزیک و نجوم
فیزیک ماده چگال
پیش نمایش صفحه اول مقاله
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چکیده انگلیسی
Nanomaterial-embedded gas sensors were fabricated on a 4-in. Si wafer counting 200 units. Carbon nanotubes (CNTs) and tin oxide (SnO) nanoparticles were prepared as hosts to detect NO2 gas molecules at room temperature. Ink-jet approach was applied to deposit nanomaterials on a Si wafer. Metal deposition above the nanomaterials formed the metal-sitting structure providing spontaneous passivation. The performance of the CNT sensor and SnO sensor showed distinctive responses to NO2 gas depending on the type of semiconductor. The sensor is highly sensitive, to detect a 10 ppb level of NO2. It offers massive production of nanomaterial gas sensor units, and the performance is discussed.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Current Applied Physics - Volume 9, Issue 2, Supplement, March 2009, Pages e38–e41
Journal: Current Applied Physics - Volume 9, Issue 2, Supplement, March 2009, Pages e38–e41
نویسندگان
Joondong Kim, Ju-Hyung Yun, Chang-Soo Han,