Precious metal wire grid electric field detection device
A detection device and precious metal technology, applied in the field of electric field detection, can solve the problem of low sensitivity
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Embodiment 1
[0020] The invention provides a noble metal wire grid electric field detection device. figure 1 is a cross-sectional view of the noble metal wire grid electric field detection device. Such as figure 1 As shown, the noble metal wire grid electric field detection device includes a base layer 1, a heating layer 2, and a noble metal wire grid layer. The heating layer 2 is placed on the base layer 1 . The material of the base layer 1 is a heat insulating material, which is used to insulate the heat generated by the heating layer 2 . The heating layer 2 can generate high temperature by connecting other high-temperature objects, or by generating heat through resistance, which is not specifically limited here. The noble metal wire grid layer is placed on the heating layer 2 . The noble metal wire grid layer includes noble metal nanowires 3 and organic conjugated polymer materials 4 . exist figure 1 In , the noble metal nanowires 3 are along the direction perpendicular to the pap...
Embodiment 2
[0023] On the basis of Example 1, such as figure 2 As shown, a top organic conjugated polymer material layer 5 is also included, and the top organic conjugated polymer material layer 5 is placed on the noble metal wire grid layer. In this way, the noble metal nanowires 3 are covered by more organic conjugated polymer materials 4 . When the molecular chain direction of the organic conjugated polymer material 4 changes, the effective refractive index of the surrounding environment of the noble metal nanowire 3 changes more, thereby changing the propagation characteristics of the surface plasmon polaritons of the noble metal wire grid layer more, thereby Enables higher sensitivity electric field detection. The thickness of the top organic conjugated polymer material layer 5 is less than 200 nanometers. Since the surface plasmons near the noble metal appear within 100 nanometers near the noble metal, the thinner top organic conjugated polymer layer 5 absorbs less heat, thereby ...
Embodiment 3
[0025] On the basis of Example 2, such as image 3 As shown, it also includes a bottom organic conjugated polymer material layer 6 , the bottom organic conjugated polymer material layer 6 is placed on the heating layer 2 , and the noble metal wire grid layer is placed on the bottom organic conjugated polymer material layer 6 . Generally speaking, in the prior art, the noble metal nanowires 3 are directly disposed on an insulating substrate such as silicon dioxide. In this embodiment, the noble metal nanowires 3 are disposed on the organic conjugated polymer material 4 . In this way, when the molecular chain direction of the organic conjugated polymer material 4 changes, the surface plasmon polariton propagation characteristics of the noble metal wire grid layer change more, thereby achieving higher sensitivity electric field detection. The thickness of the bottom organic conjugated polymer material layer 6 is less than 200 nanometers. As above, because the surface plasmons ne...
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