Memristor-reconstructed near-infrared SPR biosensor with adjustable penetration depth and preparation method thereof
A memristor-reconstructed near-infrared SPR biosensor with adjustable penetration depth includes a prism, a first non-conductive dielectric film layer, a metal film layer, a second non-conductive dielectric film layer and a conductive dielectric film layer, wherein the prism is configured to generate an ATR (Attenuated Total Reflections) attenuation evanescent wave; the first non-conductive dielectric film layer, the metal film layer, and the second non-conductive dielectric film layer define a sensing unit for achieving a basic sensing function; the metal film layer, the second non-conductive dielectric film layer and the conductive dielectric film layer define a memristive unit; a voltage applying device is provided between the first electrode and the second electrode for applying a bias voltage to the memristive unit so as to realize infrared memristive reconfiguration. A preparation method and a penetration depth tuning method of the memristor-reconstructed near-infrared SPR biosensor with adjustable penetration depth are also disclosed.
University of Electronic Science and Technology of China
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Xiang Ruikang Xiangdong Jimin Wei
Dong Guo Jiang Wang Li