Surface-enhanced Raman substrate structure based on Au-coated MOF

Abstract

The Au-coated MOF-based surface-enhanced Raman substrate structure comprises a substrate and an elastic plate, the substrate comprises an inner substrate and an outer substrate, an inner cavity is formed in the outer substrate, the bottom of the inner substrate is fixedly connected to the bottom of the inner cavity of the outer substrate, fixing areas are formed in the two sides of the top of the inner substrate, penetrating-out holes are formed in the outer sides of the fixing areas, and the elastic plate is fixedly connected with the inner cavity of the outer substrate. The interiors of the two penetrating holes are connected with different sides of an elastic plate respectively, a groove is formed in the center of the top of the lining bottom, and the bottom of the elastic plate makes contact with the top of the groove; the elastic plate is fixed to the lining bottom through the connecting columns, when the elastic plate is damaged, the elastic plate can be very simply taken down and then replaced with a new elastic plate, and the problems that in the prior art, protrusions and a lining bottom of a base structure are integrally formed, after the protrusions are damaged, the protrusions and the lining bottom are replaced together, cost is reduced, and production efficiency is improved are solved. In addition, the protruding angle and distance between the elastic plates can be finely adjusted very simply, and certain practicability is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to surface enhanced raman scattering substrate technical field, concretely is based on Au MOF surface enhanced raman substrate structure. BACKGROUND

[0002] Raman spectrum is a kind of scattering spectrum. Analyzing scattering spectrum different from incident light frequency to obtain molecular vibration, rotation information, and applying to molecular structure research one kind of analysis method. The non-elastic scattering produced by the interaction of laser and molecular vibration, optical phonon excitation in solid etc. is called raman scattering. Surface enhanced raman, the sample adsorbed on the surface of colloidal metal particles such as silver, gold or copper, or the sample adsorbed on the rough surface of these metal sheets is determined by using the usual raman spectroscopy. Although the reason is not clear, it is found that the intensity of the raman spectrum of the adsorbed sample can be increased by 10^3-10^6 times. It is mainly used for state analysis of adsorbed species etc.

[0003] In recent years, the composite research of nano metal particles (Pd, Au, etc.) and porous MOFs has become a hot spot in inorganic chemistry research, because the composite material not only maintains some characteristics of nano metal particles, but also can optimize the performance of porous MOFs. In the process of studying Au MOF, the above substrate structure is generally used.

[0004] However, the substrate structure of the above prior art is integrally formed with the substrate, and when the protrusion is damaged, the entire substrate needs to be replaced, increasing the equipment cost, and the angle and spacing of the protrusion cannot be fine-tuned, affecting the generation of Au MOF. UTILITY MODEL CONTENT

[0005] The utility model aims at providing Au MOF surface enhanced raman substrate structure to solve the problems in the above background technology.

[0006] To achieve the above object, the utility model provides the following technical scheme:

[0007] Au MOF surface enhanced raman substrate structure based on, including substrate, elastic plate, the substrate includes inner substrate and outer substrate, the inside of outer substrate is opened with inner chamber, the bottom of inner substrate is fixedly connected in the inner chamber bottom of outer substrate, the top of inner substrate two sides are opened with fixed area, the outside of fixed area is opened with the hole that goes out, the inside of two the hole that goes out is connected with the different side of elastic plate respectively, the top center of inner substrate is opened with recess, the bottom of elastic plate and the top of recess are contacted;

[0008] The elastic plate is provided with a plurality of limiting holes at both ends of two sides in the transverse direction, and the bottom center of the fixed area is provided with a fixed hole.

[0009] Preferably, the top surface of the elastic plate is provided with a plurality of metal balls.

[0010] Preferably, the height of the outer substrate is higher than that of the inner substrate.

[0011] Compared with the prior art, the Au@MOF surface-enhanced Raman substrate structure has the following beneficial effects:

[0012] The elastic plate is fixed to the inner substrate through the connecting column, and when the elastic plate is damaged, the elastic plate can be removed and replaced with a new one, so that the convex and the substrate are integrally formed in the prior art, and the convex and the substrate are replaced together after the convex is damaged, thereby reducing the cost.

[0013] The Au@MOF surface-enhanced Raman substrate structure can fine-tune the angle and spacing of the convex between the elastic plates, specifically, the connecting column is removed first, then the two side edges of the elastic plate are moved towards the inner wall of the outer substrate, and finally the connecting column is fixed again, so that the angle and spacing of the convex between the elastic plates can be fine-tuned very simply. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0015] Figure 2 It is Figure 1 It is an enlarged view of A in the middle;

[0016] Figure 3 It is a schematic diagram of the substrate structure of the utility model.

[0017] In the figure: 1, inner substrate; 2, elastic plate; 3, fixed area; 4, through hole; 5, connecting column; 6, outer substrate; 7, metal ball; 8, groove; 9, limiting hole; 10, fixed hole. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0019] In the description of the utility model, it needs to be explained that the terms "vertical", "upper", "lower", "horizontal" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the utility model.

[0020] In the description of the utility model, it also needs to be explained that, unless otherwise explicitly specified and limited, the terms "set", "install", "connect", "connect" should be broadly understood, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be connected inside two elements. For ordinary skilled persons in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0021] Please refer to Figures 1-3 The utility model provides a technical scheme:

[0022] Based on the Au@MOF surface enhanced Raman substrate structure, including substrate, elastic plate 2, the substrate includes inner substrate 1 and outer substrate 6, the inside of outer substrate 6 is provided with inner cavity, the bottom of inner substrate 1 is fixedly connected at the inner cavity bottom of outer substrate 6, the top of inner substrate 1 is provided with fixed area 3 on both sides, the outside of fixed area 3 is provided with the hole 4 that goes out, the inside of two hole 4 that goes out is connected with the different side of elastic plate 2 respectively, the top center of inner substrate 1 is provided with recess 8, the bottom of elastic plate 2 and the top of recess 8 are contacted;

[0023] The two ends of the two sides of elastic plate 2 are provided with a plurality of limiting holes 9 horizontally, and the bottom center of fixed area 3 is provided with a fixed hole 10, and the fixed hole and the limiting hole are connected by a connecting column 5.

[0024] Further, the top surface of the elastic plate 2 is provided with a plurality of metal balls 7, specifically, the metal ball 7 of the utility model is the existing mature technology, for example, the Chinese authorized utility model publication (announcement) number: CN211553757U a composite surface enhanced Raman scattering substrate, the manufacture and working principle of metal ball 7 are explained in detail, which will not be described in detail here.

[0025] It should be noted that when the elastic plate 2 is damaged, the elastic plate 2 can be very simply taken down and replaced with a new elastic plate 2, solving the problem that the protrusions and the substrate of the substrate structure in the prior art are integrally formed, and the protrusions and the substrate are replaced after the protrusions are damaged, thereby reducing the cost.

[0026] In addition, the angle and interval of the protrusions between the elastic plates 2 can be adjusted.

[0027] Further, the height of the outer substrate 6 is higher than that of the inner substrate 1, and in use, when some substance needs to be added to the substrate structure, the substance can be directly poured into the inner cavity of the outer substrate 6.

[0028] Working principle: in use, when the elastic plate 2 is damaged, the elastic plate 2 is first removed, then the elastic plate 2 is lifted upwards, in the process of lifting the elastic plate 2 upwards, the two sides of the elastic plate 2 move towards the inner side of the fixed area 3, when the two sides of the elastic plate 2 completely move out of the through hole 4, the elastic plate 2 can be very simply removed, in addition, when the angle and interval of the protrusions between the elastic plates 2 need to be adjusted in use, the connecting column 5 is first removed, then the two sides of the elastic plate 2 are moved towards the inner wall of the outer substrate 6, finally the connecting column 5 is fixed again, and the new connecting column 5 is located at the different limiting hole 9, so that the angle and interval of the protrusions between the elastic plates can be very simply adjusted.

[0029] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the attached claims and equivalents thereof.

Claims

1. Au@MOF surface-enhanced Raman substrate structure based, comprising a substrate, an elastic plate (2), characterized in that: The substrate comprises an inner substrate (1) and an outer substrate (6), the inner substrate (1) is fixedly connected to the bottom of the inner cavity of the outer substrate (6), the top of the inner substrate (1) is provided with a fixed area (3) on both sides, the outer side of the fixed area (3) is provided with a through hole (4), the inner part of the two through holes (4) is connected to different sides of the elastic plate (2) respectively, the top center of the inner substrate (1) is provided with a groove (8), and the bottom of the elastic plate (2) is in contact with the top of the groove (8). The two ends of the two sides of the elastic plate (2) are transversely provided with a plurality of limiting holes (9), and the bottom center of the fixed area (3) is provided with a fixed hole (10). 2.The Au@MOF-based surface-enhanced Raman substrate structure of claim 1, wherein: The top surface of the elastic plate (2) is provided with a plurality of metal balls (7). 3.The Au@MOF-based surface-enhanced Raman substrate structure of claim 1, wherein: The height of the outer substrate (6) is higher than the height of the inner substrate (1).

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