Gold electrode fixing device for surface enhanced Raman spectrum detection
By using a three-dimensional displacement stage and a high-precision adjustable gold electrode fixing device, the problems of unstable gold electrode fixing and nanometer gap control were solved, realizing efficient and convenient electrode position adjustment and detection, and improving detection accuracy and efficiency.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- HUBEI UNIV OF AUTOMOTIVE TECH
- Filing Date
- 2025-05-19
- Publication Date
- 2026-05-19
AI Technical Summary
Existing gold electrode fixing devices are unstable and easily affected by external interference, causing the detection position to shift. Traditional clamping structures are difficult to precisely control the nanometer gap distance, making operation complex and affecting detection efficiency and accuracy.
A gold electrode fixing device employing a three-dimensional displacement stage for positioning and high-precision adjustment of electrode position includes a base area, a glass slide storage area, and a gold electrode fixing block. The device achieves precise positioning and fixing of the electrode through threaded holes and funnel-shaped channels, simplifying the operation process.
It improves the accuracy of electrode and laser injection position, reduces manufacturing costs, is easy to operate, suitable for on-site deployment and portability, eliminates the cumbersome operation of dedicated monitoring equipment, and improves detection efficiency.
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Figure CN224263066U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of detection and fixation technology, specifically a gold electrode fixing device for surface-enhanced Raman spectroscopy detection. Background Technology
[0002] In surface-enhanced Raman spectroscopy (SERS), the molecular junction structure formed by gold nanoelectrodes (GNEs) and gold nanoparticles (GNPs) is the core for monitoring single-molecule reactions. With the deepening development of nanocatalysis, single-molecule chemistry, and electrochemical regulation research, the performance of gold electrode immobilization devices directly affects the reliability of experimental data and the accuracy of scientific discoveries. Current technological development shows two major trends: first, single-molecule detection is moving towards millisecond-level time resolution; second, in-situ electrochemical regulation technology places higher demands on electrode position stability. However, existing devices suffer from the following common technical bottlenecks: the gold electrode is not securely fixed and is easily affected by external interference, leading to detection position shifts; traditional clamping structures struggle to precisely control the nanometer gap distance between the gold electrode and gold nanoparticles; and operation is complex, requiring multiple adjustments to the electrode position, affecting detection efficiency and accuracy. Utility Model Content
[0003] Therefore, the purpose of this invention is to provide a gold electrode fixing device for surface-enhanced Raman spectroscopy detection. It features three-dimensional displacement stage positioning, high-precision electrode position adjustment to ensure the accuracy of the electrode and laser injection position, simple processing, low manufacturing cost, convenient on-site deployment, high durability, portability, convenient operation and electrode replacement without the need for additional specialized monitoring equipment, eliminating the cumbersome operation process of using specialized monitoring equipment, and improving monitoring efficiency.
[0004] To solve the above-mentioned technical problems, according to one aspect of the present invention, the present invention provides the following technical solution: a gold electrode fixing device for surface-enhanced Raman spectroscopy detection, comprising a base region and a glass slide storage region, wherein a circular light-transmitting hole is provided on the glass slide storage region, and a gold electrode fixing block is provided above the glass slide storage region; a glass slide fixing threaded hole is provided on the glass slide storage region, and a gold electrode fixing block thread is provided on the gold electrode fixing block;
[0005] The gold electrode fixing block has a funnel-shaped channel inside, and the base area has a slide storage area moving groove.
[0006] As a preferred embodiment of the gold electrode fixing device for surface-enhanced Raman spectroscopy detection described in this utility model, a slide storage area pressure plate is provided on the base region, and the slide storage area pressure plate is provided with a slide storage area pressure plate threaded hole.
[0007] In a preferred embodiment of the gold electrode fixing device for surface-enhanced Raman spectroscopy detection described in this utility model, the funnel-shaped channel slopes downward from right to left, with a larger diameter on the right side and a smaller diameter on the left side.
[0008] As a preferred embodiment of the gold electrode fixing device for surface-enhanced Raman spectroscopy detection described in this utility model, the bottom surface of the base region is provided with a circular light-transmitting hole, and the bottom surface of the base region is fixed with a support foot.
[0009] In a preferred embodiment of the gold electrode fixing device for surface-enhanced Raman spectroscopy detection described in this utility model, the bottom circular light-transmitting hole corresponds to the circular light-transmitting hole and the bottom circular light-transmitting hole is connected to the circular light-transmitting hole.
[0010] As a preferred embodiment of the gold electrode fixing device for surface-enhanced Raman spectroscopy detection described in this utility model, a glass slide storage area is provided on the base region.
[0011] In a preferred embodiment of the gold electrode fixing device for surface-enhanced Raman spectroscopy as described in this utility model, the gold electrode is inserted from the right side of the gold electrode fixing block and extends into the circular light-transmitting hole.
[0012] Compared with the prior art, the advantages of this utility model are:
[0013] The three-dimensional displacement stage provides high-precision electrode positioning, ensuring the accuracy of the electrode and laser injection positions. It is simple to process, has low manufacturing costs, is easy to deploy on-site, and is highly durable. It is portable, easy to operate and replace electrodes, eliminating the need for additional specialized monitoring equipment and simplifying the cumbersome operation process of using specialized monitoring equipment, thus improving monitoring efficiency. Attached Figure Description
[0014] To more clearly illustrate the technical solutions of the embodiments of this utility model, the present utility model will be described in detail below with reference to the accompanying drawings and detailed embodiments. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort. Among them:
[0015] Figure 1 This is a structural diagram of the present invention;
[0016] Figure 2 This is a front view of the present utility model;
[0017] Figure 3 This is a cross-sectional view of the present invention;
[0018] Figure 4 This is a top view of the present invention;
[0019] Figure 5 This is a bottom view of the present invention.
[0020] In the diagram: 1. Base area; 2. Circular light-transmitting hole; 3. Slide storage area pressure plate; 4. Gold electrode fixing block; 5. Slide storage area plate; 6. Slide fixing threaded hole; 7. Gold electrode fixing block threaded hole; 8. Funnel-shaped channel; 9. Slide storage area; 10. Circular light-transmitting hole on the bottom surface; 11. Slide storage area pressure plate threaded hole; 12. Slide storage area moving groove; 13. Support foot. Detailed Implementation
[0021] To make the above-mentioned objectives, features and advantages of this utility model more apparent and understandable, the specific embodiments of this utility model will be described in detail below with reference to the accompanying drawings.
[0022] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Those skilled in the art can make similar extensions without departing from the spirit of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.
[0023] Secondly, this utility model is described in detail with reference to the schematic diagrams. When describing the embodiments of this utility model, for ease of explanation, the cross-sectional views illustrating the device structure may be partially enlarged, not adhering to the usual scale. Furthermore, the schematic diagrams are merely examples and should not limit the scope of protection of this utility model. In addition, actual manufacturing should include the three-dimensional spatial dimensions of length, width, and depth.
[0024] To make the objectives, technical solutions, and advantages of this utility model clearer, the embodiments of this utility model will be described in further detail below with reference to the accompanying drawings.
[0025] This invention provides a gold electrode fixing device for surface-enhanced Raman spectroscopy detection. It features three-dimensional displacement stage positioning, high-precision electrode position adjustment to ensure the accuracy of the electrode and laser injection position, simple processing, low manufacturing cost, convenient on-site deployment, high durability, portability, and convenient operation and electrode replacement. It eliminates the need for additional specialized monitoring equipment, avoiding the cumbersome operation process of using specialized monitoring equipment and improving monitoring efficiency.
[0026] Figures 1-5 The diagram shown is an overall structural schematic of an embodiment of a gold electrode fixing device for surface-enhanced Raman spectroscopy detection according to this invention. Please refer to [link / reference]. Figures 1-5The main structure of this embodiment includes a base area 1 and a slide storage area 5. A circular light-transmitting hole 2 is provided on the slide storage area 5, and a gold electrode fixing block 4 is provided above the slide storage area 5. A slide fixing threaded hole 6 is provided on the slide storage area 5, and a gold electrode fixing block thread 7 is provided on the gold electrode fixing block 4.
[0027] The gold electrode fixing block 4 has a funnel-shaped channel 8 inside, and the base area 1 has a slide storage area moving groove 12.
[0028] When performing Raman spectroscopy, the substance to be tested is first placed on a glass slide, and then the glass slide is placed on the lower plate of the glass slide storage area 5. After covering it with the upper plate, it is placed in the substrate area 1. The glass slide storage area moving groove 12 facilitates the fine adjustment of the position of the glass slide storage area 5.
[0029] A gold electrode is set up. The gold electrode fixing block 4 has a funnel-shaped channel 8 inside. The channel slopes downward from right to left, with a larger diameter on the right and a smaller diameter on the left. The gold electrode is inserted from the right side of the gold electrode fixing block 4 and can extend into the circular light-transmitting hole 2 to find the best observation position.
[0030] The gold electrode fixing block 4 has a gold electrode fixing block threaded hole 7 on top, which can be screwed in to fix the gold electrode. It can also be connected to an external power supply to power the gold electrode. The staff only needs to put the glass slide carrying the substance to be observed into the glass slide storage area 5, and then place it in the substrate area 1. Then, insert the gold electrode, turn on the power and adjust its position. Finally, Raman spectroscopy detection is achieved through the circular light transmission hole 2 with the help of the gold electrode to obtain the spectral information of the substance.
[0031] Furthermore, a slide storage area pressure plate 3 is provided on the base area 1, and a slide storage area pressure plate 3 is provided with a slide storage area pressure plate threaded hole 11; a bottom circular light-transmitting hole 10 is opened on the bottom surface of the base area 1, and a support foot 13 is fixed on the bottom surface of the base area 1; a slide storage area 9 is provided on the base area 1.
[0032] In actual use, the slide storage area pressure plate 3 presses down the slide storage area piece 5, and locks it in place by passing through the threaded hole 11 of the slide storage area pressure plate with a threaded rod. This can position and lock the slide storage area piece 5.
[0033] Although the present invention has been described above with reference to embodiments, various modifications can be made and components can be replaced with equivalents without departing from the scope of the present invention. In particular, as long as there is no structural conflict, the features in the embodiments disclosed in this invention can be combined with each other in any way. The lack of an exhaustive description of these combinations in this specification is merely for the sake of brevity and resource conservation. Therefore, the present invention is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.
Claims
1. A gold electrode fixing device for surface-enhanced Raman spectroscopy detection, comprising a base region (1) and a glass slide storage region (5), characterized in that, The slide storage area (5) is provided with a circular light-transmitting hole (2), and a gold electrode fixing block (4) is provided above the slide storage area (5). The slide storage area (5) is provided with a slide fixing threaded hole (6), and the gold electrode fixing block (4) is provided with a gold electrode fixing block thread (7). The gold electrode fixing block (4) has a funnel-shaped channel (8) inside, and the base area (1) has a slide storage area moving groove (12).
2. The gold electrode fixing device for surface-enhanced Raman spectroscopy detection according to claim 1, characterized in that, The base area (1) is provided with a slide storage area pressure plate (3), and the slide storage area pressure plate (3) is provided with a slide storage area pressure plate thread hole (11).
3. The gold electrode fixing device for surface-enhanced Raman spectroscopy detection according to claim 2, characterized in that, The funnel-shaped channel (8) slopes downwards from right to left, with a larger diameter on the right and a smaller diameter on the left.
4. The gold electrode fixing device for surface-enhanced Raman spectroscopy detection according to claim 3, characterized in that, The base area (1) has a bottom circular light-transmitting hole (10) and a support foot (13) is fixed to the bottom of the base area (1).
5. The gold electrode fixing device for surface-enhanced Raman spectroscopy detection according to claim 4, characterized in that, The bottom circular light-transmitting hole (10) corresponds to the circular light-transmitting hole (2), and the bottom circular light-transmitting hole (10) is connected to the circular light-transmitting hole (2).
6. The gold electrode fixing device for surface-enhanced Raman spectroscopy detection according to claim 5, characterized in that: A slide storage area (9) is provided on the base area (1).
7. A gold electrode fixing device for surface-enhanced Raman spectroscopy detection according to claim 6, characterized in that: The gold electrode is inserted from the right side of the gold electrode fixing block (4) and extends into the circular light-transmitting hole (2).