CN101581652A - Sample pool device of atmosphere and liquid phase atomic force microscope probe holder - Google Patents
Sample pool device of atmosphere and liquid phase atomic force microscope probe holder Download PDFInfo
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- CN101581652A CN101581652A CNA2009100380512A CN200910038051A CN101581652A CN 101581652 A CN101581652 A CN 101581652A CN A2009100380512 A CNA2009100380512 A CN A2009100380512A CN 200910038051 A CN200910038051 A CN 200910038051A CN 101581652 A CN101581652 A CN 101581652A
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Abstract
The invention provides a sample pool device of atomic force microscope probe holder used under different environments. The device comprises a sample pool, a probe holder and a probe, wherein the probe holder comprises a cover plate and a window consisting of a transparent flat slab 1 and a transparent flat slab 2; the probe is hung under the cover plate and is propped on the notch of the cover plate by an elastic plate; the transparent flat slab 1 and the transparent flat slab 2 are respectively perpendicular to the incident laser beam hitting the probe and the reflected laser beam of the probe; and both side edges of the sample pool are respectively provided with a liquid inlet and a liquid outlet which can be connected with a liquid guide pipe. The sample pool device of atomic force microscope probe holder has the advantages that the device has reasonable design and strong practicability, and can change sample environment conveniently to carry out real-time in-situ sample detection without replacing the probe holder and the probe, thereby having enormous application prospect in relevant fields including electrochemistry, life sciences and interface; moreover, the device replaces two original devices respectively used in atmosphere and liquid phase, thereby effectively reducing instrument cost and greatly increasing economic benefit.
Description
Technical field
The invention belongs to microscopy field in the optical instrument, more specifically relate to a kind of atomic force microscope probe frame-sample pool device that uses under the varying environment that is applicable to.
Background technology
As everyone knows, atomic force microscope is a kind of novel experimental technique of utilizing atom, intermolecular interaction force to observe the body surface microscopic appearance, and the liquid phase atomic force microscope all adopts special probe carriage-sample pool device to be achieved at present, and existing probe carriage-sample has three kinds of schemes.
Scheme one as shown in Figure 1, sample 1 is positioned on the sample stage 2, and drip a drop of liquid on the surface of sample 1, then probe 3 is extend in the drop 4 sample 1 is scanned, and sample 1 integral body still is among the atmospheric environment, and probe 3 and detect the influence that light path very easily is subjected to drop 4 surface tension and capillary force, after the incident laser light beam 14 of laser instrument 19 reflects through probe 3, form reflect beams of laser light 15 and arrive receivers 5, image is difficult to stablize imaging in this process, thereby still has many limitation.
Scheme two as shown in Figure 2, probe carriage 6 by light transmissive material, rubber seal 7 and sample stage 2 constitute, probe 3 is fixed on the probe carriage 6, when 3 pairs of samples 1 of probe detect, the incident laser light beam 14 of laser instrument 19 is through probe carriage 6, refraction takes place for solution (or atmosphere) and probe 3 and the reflection back arrives receiver 5, because the influence of structure, leakage in use appears in this scheme easily, cause the piezoelectric scanner of sample cell below impaired, and be subjected to the elastic limit of rubber seal 7, thickness to sample 1 has strict restriction, in addition, the refraction of probe carriage 6 and solution causes that the deflection of reflect beams of laser light requires receiver 5 to have bigger adjustable extent probe.
Scheme three as shown in Figure 3, the transparent base that adopts a rectangle is as window 8, probe 3 is fixed in the below of window 8, window 8 and probe 3 together enter in the liquid cell 9 sample 1 are detected during measurement, after departing from refraction through probe 3, the incident laser light beam 14 of laser instrument 19 arrives receiver 5, because the influence of liquid body refractive index, the reflect beams of laser light 15 of probe 3 produces deflection, requires receiver 5 to have bigger adjustable extent probe equally.
In sum, prior art and implementation all have defective in various degree, are difficult to large scale application.
Summary of the invention
At the technological deficiency that prior art exists, proposition purpose of the present invention is: the one, under atmosphere and liquid phase environment, sample is detected as the function of picture in order to realize atomic force microscope; The 2nd, in order to realize under the situation of not changing probe and probe carriage, switching easily, thereby carry out under the conversion environment in situ detection to sample.
For achieving the above object, technical scheme of the present invention is as follows: atomic force microscope probe frame-sample pool device that a kind of atmosphere and liquid phase are general, comprise sample cell, probe carriage and probe, probe carriage is joined by cover plate and window and forms, window is located at the centre position of cover plate inside, window is by transparent plate one, transparent plate two is formed, probe hangs below that is arranged at cover plate and mouthful place of carving that is mounted on cover plate by shell fragment, one end and the transparent plate two of transparent plate one are fixedly linked, the other end links to each other with the cover plate of adjacency, transparent plate two joins with the cover plate of adjacency, described transparent plate one, transparent plate two is respectively perpendicular to the incident laser light beam of getting to probe and the reflect beams of laser light of probe, probe carriage places the top of sample cell, the appropriate location of described sample cell dual-side is respectively equipped with inlet and leakage fluid dram, and inlet and leakage fluid dram are connected with catheter respectively.
The present invention compared with prior art, have following obvious improvement and outstanding characteristics: the laser beam that is used for the detector probe motion is not subjected to the influence of the residing environment of sample (atmosphere or different solutions), convertible environment carries out in situ detection to sample, install easy, stationarity good, with low cost, have rational in infrastructure, technological merit simple to operate, that practicality is high, have save time, technical advantage laborsaving, easy and simple to handle.
Three-dimension surface really is provided, simultaneously, does not need sample is carried out any special processing,, can not damage sample as copper facing or carbon, applied widely, the using value height.
Description of drawings
The invention will be further described below in conjunction with drawings and Examples.
Fig. 1 is the structural representation of existing techniques in realizing scheme one;
Fig. 2 is the structural representation of existing techniques in realizing scheme two;
Fig. 3 is the structural representation of existing techniques in realizing scheme three;
Fig. 4 is a structural representation of the present invention.
Embodiment
According to shown in Figure 4, atomic force microscope probe frame-sample pool device of the present invention, comprise sample cell 9, probe carriage 6 and probe 3, probe carriage 6 is joined by cover plate 12 and the window 8 that is transparence and forms, window 8 is located at the centre position of cover plate 12 inside, window 8 is by transparent plate 1,2 11 compositions of transparent plate, probe 3 hangs below that is arranged at cover plate 12 and mouthful place of carving that is mounted on cover plate 12 by shell fragment 13, one end and the transparent plate 2 11 of transparent plate 1 are fixedly linked, the other end links to each other with the cover plate 12 of adjacency, transparent plate 2 11 joins with the cover plate 12 of adjacency, described transparent plate 1, transparent plate 2 11 is got to the reflect beams of laser light 15 of the incident laser light beam 14 and the probe 3 of probe 3 respectively perpendicular to laser instrument 19, probe carriage 6 places the top of sample cell 9, the appropriate location of described sample cell 9 dual-sides is respectively equipped with inlet 16 and leakage fluid dram 17, inlet 16 and leakage fluid dram 17 are connected with catheter 18 respectively, and sample 1 is fixed on the middle position of sample cell 9.
In above-mentioned probe carriage 6, because two transparent plates 10,11 difference vertical incidence laser beam 14 and reflect beams of laser light 15, therefore, no matter whether sample cell 9 has solution, light beam all vertically passes through all interfaces, not can because of air with the solution refractive index different, the perhaps difference of the refractive index of heterogeneity solution and produce refraction and cause beam deflection, receiver 5 just can reconstruction of three-dimensional images, obtain the pattern of sample, that is to say, atomic force microscope probe frame-sample pool device of the present invention both can be used under the atmosphere, also can be used in the various solution sample being detected as picture; And in the testing process, can add solution or change solution composition by inlet 16 or leakage fluid dram 17 at any time, sample 1 is carried out the detection of real-time in-situ.
By the present invention, atomic force microscope is detecting in the imaging process sample 1, can be under the situation of not changing probe carriage 6 and probe 3, change the environment (liquid phase environment of atmosphere or heterogeneity) of sample 1 easily, sample 1 is carried out the detection of real-time in-situ, have important application prospects in galvanochemistry, life science and interface association area.And the present invention has replaced original needs to realize two covering devices of atmosphere and liquid phase respectively, and effectively the lowering apparatus cost has improved economic benefit.
Above content is in conjunction with further describing that concrete main embodiment is done, and can not assert that concrete enforcement of the present invention is confined to these explanations.Those skilled in the art without departing from the inventive concept of the premise, some other technology of done accurately, the deduction or replace that beautify, all should belong to protection scope of the present invention.
Claims (2)
1, atomic force microscope probe frame-sample pool device that a kind of atmosphere and liquid phase are general, comprise sample cell, probe carriage and probe, it is characterized in that: probe carriage is joined by cover plate and window and forms, window is located at the centre position of cover plate inside, window is by transparent plate one, transparent plate two is formed, probe hangs below that is arranged at cover plate and mouthful place of carving that is mounted on cover plate by shell fragment, one end and the transparent plate two of transparent plate one are fixedly linked, the other end links to each other with the cover plate of adjacency, transparent plate two links to each other with the cover plate of adjacency, described transparent plate one, perpendicular to the incident laser light beam of getting to probe and the reflect beams of laser light of probe, probe carriage places the top of sample cell to transparent plate two respectively.
2, atomic force microscope probe frame-sample pool device that atmosphere according to claim 1 and liquid phase are general, it is characterized in that: the appropriate location of described sample cell dual-side is respectively equipped with inlet and leakage fluid dram, and inlet and leakage fluid dram are connected with catheter respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2009100380512A CN101581652A (en) | 2009-03-20 | 2009-03-20 | Sample pool device of atmosphere and liquid phase atomic force microscope probe holder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2009100380512A CN101581652A (en) | 2009-03-20 | 2009-03-20 | Sample pool device of atmosphere and liquid phase atomic force microscope probe holder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101581652A true CN101581652A (en) | 2009-11-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2009100380512A Pending CN101581652A (en) | 2009-03-20 | 2009-03-20 | Sample pool device of atmosphere and liquid phase atomic force microscope probe holder |
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| CN (1) | CN101581652A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105092900A (en) * | 2014-05-20 | 2015-11-25 | 中国科学院沈阳自动化研究所 | Scanning probe clamping device for atomic force microscope |
| CN107085127A (en) * | 2017-03-14 | 2017-08-22 | 广州市本原纳米仪器有限公司 | A kind of detection method and system of new scanning probe microscopy |
-
2009
- 2009-03-20 CN CNA2009100380512A patent/CN101581652A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105092900A (en) * | 2014-05-20 | 2015-11-25 | 中国科学院沈阳自动化研究所 | Scanning probe clamping device for atomic force microscope |
| CN105092900B (en) * | 2014-05-20 | 2018-01-02 | 中国科学院沈阳自动化研究所 | A kind of scanning probe clamping device for AFM |
| CN107085127A (en) * | 2017-03-14 | 2017-08-22 | 广州市本原纳米仪器有限公司 | A kind of detection method and system of new scanning probe microscopy |
| CN107085127B (en) * | 2017-03-14 | 2019-05-21 | 广州市本原纳米仪器有限公司 | A kind of detection method and system of novel scanning probe microscopy |
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Addressee: Li Qingyan Document name: Notification to Make Rectification |
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Open date: 20091118 |