A carbon nanotube-based sensing element
Xing Yang , Zhao-ying Zhou , Ying Wu , Jin Zhang , Ying-ying Zhang
Optoelectronics Letters ›› 2007, Vol. 3 ›› Issue (2) : 81 -84.
A carbon nanotube-based sensing element
A carbon nanotube-based(CNT) sensing element is presented, which consists of substrate, insulating layer, electrodes, carbon nanotube and measuring circuit. The sensing components are a single or array of CNTs, which are located on the two electrodes. The CNT-based sensing element is fabricated by CVD (chemical vapor deposition)-direct-growth on micro-electrodes. The sensing model and measurement method of electromechanical property are also presented. Finally, the voltage-current characteristics are measured, which show that the CNT-based sensing element has good electrical properties.
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