Method for preparing SERS active substrate based on grating structure of optical disc
A technology of grating structure and active substrate, applied in the field of preparation of SERS active substrate, can solve the problem of not being able to prepare a SERS active substrate with high sensitivity, uniformity, repeatability and stability, and achieve excellent SERS performance, uniformity guarantee, Satisfy the effect of rapid analysis
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[0040] Specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings. It should be understood that the specific embodiments described here are only used to illustrate and explain the present invention, and are not intended to limit the present invention.
[0041] In the invention, unless stated to the contrary, the orientation words used generally refer to the orientation shown with reference to the drawings.
[0042] At present, studies have shown that the periodic spiral data tracks of metals such as gold and silver are usually covered on the optical disc. In the prior art, researchers have used the grating structure of optical discs such as CD-R, BD-R or DVD as The SERS active substrate was prepared by magnetron sputtering, microcontact printing technology, and electrophoretic deposition of nanoparticles. Therefore, it is demonstrated that SERS active substrates can be prepared based on the optical grating str...
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