Carbon nanotube electric field detection device
A technology of carbon nanotubes and detection devices, which is applied in the field of electric field detection and can solve problems such as low sensitivity
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Embodiment 1
[0018] The invention provides a carbon nanotube electric field detection device. Such as figure 1 As shown, the carbon nanotube electric field detection device includes a substrate 1 , a heating part 2 , a carbon nanotube layer 3 , a first electrode 4 , a second electrode 5 , and an organic conjugated polymer material 6 . The surface of the substrate 1 is provided with pits, and the heating part 2 fills the pits. The material of the base 1 is a heat insulating material, which is used to insulate the heat generated by the heating part. The heating part 2 can generate high temperature by connecting other high-temperature objects, or by generating heat through resistance, which is not specifically limited here. The carbon nanotube layer 3 is placed on the substrate 1 and the heating part 2 . The first electrode 4 and the second electrode 5 are respectively placed on two sides of the heating part 2 on the carbon nanotube layer 3 , so that the conductive properties of the carbon...
Embodiment 2
[0022] On the basis of Example 1, such as figure 2 As shown, on top of the heating part 2 , the organic conjugated polymer material 6 covers the carbon nanotube layer 3 . That is to say, an organic conjugated polymer material 6 is provided at the bottom of the carbon nanotube layer 3 , and an organic conjugated polymer material 6 is provided around the carbon nanotubes. In this way, the change of the molecular chain direction of the organic conjugated polymer material 6 can more change the shape and self-stress of the carbon nanotubes and the homogeneous junction between adjacent carbon nanotubes, thereby causing the carbon nanotube layer 3 The conductive properties change more, enabling higher sensitivity electric field detection.
Embodiment 3
[0024] On the basis of Example 2, the direction of the carbon nanotubes in the carbon nanotube layer 3 is along the direction of the connecting line between the first electrode 4 and the second electrode 5 . The first electrode 4 and the second electrode 5 fix the carbon nanotube layer 3, so that the carbon nanotube is in a tensioned state. In this way, when the molecular chain direction of the organic conjugated polymer material 6 changes, under the extrusion of the organic conjugated polymer material 6 molecules, more stress changes are generated inside the carbon nanotubes, thereby changing the carbon nanotubes more. The conductive properties of the tube enable higher sensitivity electric field detection.
[0025] Furthermore, the carbon nanotubes in the carbon nanotube layer 3 are multi-layered. Specifically, the number of carbon nanotube layers in the carbon nanotube layer 3 is greater than 5 layers. In this way, when the molecular chain direction of the organic conjuga...
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