CN110081987A - Utilize the method for molecule adsorption desorption process choosing detection different wave length infrared light - Google Patents
Utilize the method for molecule adsorption desorption process choosing detection different wave length infrared light Download PDFInfo
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- CN110081987A CN110081987A CN201910334127.XA CN201910334127A CN110081987A CN 110081987 A CN110081987 A CN 110081987A CN 201910334127 A CN201910334127 A CN 201910334127A CN 110081987 A CN110081987 A CN 110081987A
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- 238000000034 method Methods 0.000 title claims abstract description 54
- 230000008569 process Effects 0.000 title claims abstract description 27
- 238000001514 detection method Methods 0.000 title claims abstract description 26
- 238000002336 sorption--desorption measurement Methods 0.000 title claims abstract description 16
- 239000000126 substance Substances 0.000 claims abstract description 38
- 239000002086 nanomaterial Substances 0.000 claims abstract description 33
- 238000003795 desorption Methods 0.000 claims abstract description 16
- 230000008859 change Effects 0.000 claims abstract description 14
- 238000001179 sorption measurement Methods 0.000 claims abstract description 11
- 244000241796 Christia obcordata Species 0.000 claims description 14
- 230000003287 optical effect Effects 0.000 claims description 13
- AQRLNPVMDITEJU-UHFFFAOYSA-N triethylsilane Chemical compound CC[SiH](CC)CC AQRLNPVMDITEJU-UHFFFAOYSA-N 0.000 claims description 12
- 238000012067 mathematical method Methods 0.000 claims description 3
- 238000000513 principal component analysis Methods 0.000 claims description 3
- 239000003990 capacitor Substances 0.000 claims description 2
- 238000006073 displacement reaction Methods 0.000 claims description 2
- 238000000556 factor analysis Methods 0.000 claims description 2
- 238000005457 optimization Methods 0.000 claims description 2
- 238000000611 regression analysis Methods 0.000 claims description 2
- 230000000638 stimulation Effects 0.000 claims 1
- 239000000463 material Substances 0.000 abstract description 11
- 230000035945 sensitivity Effects 0.000 abstract description 4
- 238000003384 imaging method Methods 0.000 abstract description 2
- 238000010521 absorption reaction Methods 0.000 description 10
- 238000005516 engineering process Methods 0.000 description 9
- 238000004458 analytical method Methods 0.000 description 6
- 230000004044 response Effects 0.000 description 6
- 238000001228 spectrum Methods 0.000 description 6
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 4
- 238000005259 measurement Methods 0.000 description 4
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 238000000985 reflectance spectrum Methods 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- 241000907681 Morpho Species 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-N ammonia Natural products N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 235000019441 ethanol Nutrition 0.000 description 2
- 230000005284 excitation Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000011787 zinc oxide Substances 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 238000001069 Raman spectroscopy Methods 0.000 description 1
- 238000001237 Raman spectrum Methods 0.000 description 1
- 238000005411 Van der Waals force Methods 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 150000001299 aldehydes Chemical class 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 238000003491 array Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 150000001720 carbohydrates Chemical class 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000004069 differentiation Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000002189 fluorescence spectrum Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- BQJCRHHNABKAKU-KBQPJGBKSA-N morphine Chemical compound O([C@H]1[C@H](C=C[C@H]23)O)C4=C5[C@@]12CCN(C)[C@@H]3CC5=CC=C4O BQJCRHHNABKAKU-KBQPJGBKSA-N 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 102000039446 nucleic acids Human genes 0.000 description 1
- 108020004707 nucleic acids Proteins 0.000 description 1
- 150000007523 nucleic acids Chemical class 0.000 description 1
- 150000002989 phenols Chemical class 0.000 description 1
- 229920001184 polypeptide Polymers 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 102000004196 processed proteins & peptides Human genes 0.000 description 1
- 108090000765 processed proteins & peptides Proteins 0.000 description 1
- 102000004169 proteins and genes Human genes 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 230000005616 pyroelectricity Effects 0.000 description 1
- 238000011895 specific detection Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 229910001868 water Inorganic materials 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
- G01J3/28—Investigating the spectrum
- G01J3/42—Absorption spectrometry; Double beam spectrometry; Flicker spectrometry; Reflection spectrometry
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
- G01J3/28—Investigating the spectrum
- G01J3/44—Raman spectrometry; Scattering spectrometry ; Fluorescence spectrometry
- G01J3/4412—Scattering spectrometry
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J9/00—Measuring optical phase difference; Determining degree of coherence; Measuring optical wavelength
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
- G01J3/28—Investigating the spectrum
- G01J3/42—Absorption spectrometry; Double beam spectrometry; Flicker spectrometry; Reflection spectrometry
- G01J2003/425—Reflectance
Abstract
The present invention relates to a kind of methods using molecule adsorption desorption process choosing detection different wave length infrared light, the following steps are included: (1) takes three-dimensional micro-nano structure to be placed in chemical molecular atmosphere, so that its adsorption chemical molecular, and reach dynamic equilibrium；(2) apply the infrared light of wavelength to be measured, so that three-dimensional micro-nano structure surface reaches the chemical molecular desorption of adsorption dynamics balance；(3) change of properties of three-dimensional micro-nano structure caused by the dynamic process of record chemical molecular desorption, form map, wavelength curve to be measured is obtained after mathematically analyzing again, by wavelength curve to be measured and standard of wavelength curve comparison, i.e. the selectivity detection of realization different wave length infrared light.Compared with prior art, the present invention has many advantages, such as that sensitivity is high, universality is strong, saves material, can be widely applied in the infrared signal selectively fields such as detection and imaging.
Description
Technical field
The invention belongs to sensor measuring technical field, it is related to a kind of detecting different waves using molecule adsorption desorption process choosing
The method of long infrared light.
Background technique
Infrared electronic technology has critical application in many fields.For example, utilizing infrared biography in medical diagnostic field
Sense technology can quickly and accurately measure patient temperature；In communication transfer field, the biography of signal can be carried out using infrared electronic technology
Long-range control is realized in defeated exchange；In chemical probing field, the characterization and inspection of chemical substance can be realized using infrared electronic technology
It surveys.
In recent years, as that studies infrared electronic technology gos deep into, development has selective detection performance to infrared wavelength
Sensor have been to be concerned by more and more people.Infrared wavelength selectively senses, i.e., divides the infrared signal of different wave length
It detects to the property distinguished, wavelength information is distinguished while detecting infrared signal.In existing technology, mainly using having
The material of periodical phasmon structure realizes this purpose.For example, the golden phasmon with specific structure can pass through
It is absorbed from infrared signal of the plasmon resonance to specific wavelength, the heat of generation acts on zinc oxide pyroelectricity material, influences
The electric polarity state of zinc oxide, to generate corresponding electric signal.By adjusting golden phasmon structural parameters, it can be achieved that right
The absorption and detection of different wave length infrared signal.
However, depending on the structure of phasmon to the selectivity of infrared wavelength in current this technology.For solid
Determine the phasmon material of structural parameters, detectable infrared wavelength is also fixed, and is once completed when prepared by material,
Its structural parameters cannot change.This technical method is difficult to realize homogenous material to the applicability of different infrared wavelengths, limits
Its flexibility in the application, and cause the waste of material and the complexity of detection process.
Summary of the invention
It is an object of the present invention to overcome the above-mentioned drawbacks of the prior art and provide a kind of inhaled using molecule to take off
The method of attached process choosing detection different wave length infrared light, specially has the micro-nano of different chemical moleculars using adsorption
Structure issues the difference of sub- desorption process estranged in the excitation of the infrared signal of different wave length, to realize to wavelength difference infrared light
Selectivity detection.This method has many advantages, such as that sensitivity is high, universality is strong, saves material, can selectively visit in infrared signal
It surveys and the fields such as imaging is widely applied.
The purpose of the present invention can be achieved through the following technical solutions:
Utilize the method for molecule adsorption desorption process choosing detection different wave length infrared light, comprising the following steps:
(1) three-dimensional micro-nano structure is taken to be placed in chemical molecular atmosphere, so that three-dimensional micro-nano structure adsorption is corresponding
Chemical molecular, and reach dynamic equilibrium；
(2) infrared light for applying wavelength to be measured to the three-dimensional micro-nano structure for reaching adsorption dynamics balance in step (1), makes
Obtain the chemical molecular desorption that three-dimensional micro-nano structure surface reaches adsorption dynamics balance；
(3) change of properties of three-dimensional micro-nano structure caused by the dynamic process of record chemical molecular desorption, forms figure
Spectrum, then wavelength curve to be measured is obtained after mathematically analyzing, wavelength curve to be measured and standard of wavelength curve comparison are realized
The selectivity of different wave length infrared light detects.
Further, the chemical molecular is inorganic molecule, organic molecule or large biological molecule.Chemical molecular can be three
Dimension micro-and nano-structural surface is adsorbed, and forms stable adsorption desorption balance, i.e., is adsorbed onto three-dimensional micro-nano in the unit time
The amount of the chemical molecular of body structure surface is equal to the amount from the chemical molecular of three-dimensional micro-nano structure surface desorption.When being excited
Afterwards, chemical molecular again can be from three-dimensional micro-nano structure surface desorption.Inorganic molecule can choose water, carbon dioxide, ammonia and hydrogen
Gas etc.；Organic molecule can choose the alcohols such as methanol, ethyl alcohol, propyl alcohol, also can choose phenols, aldehydes etc.；Large biological molecule can
To select protein, polypeptide, carbohydrate, nucleic acid etc..
Further, the three-dimensional micro-nano structure includes the three-dimensional micro-nano structure and be inherently derived that manual method obtains
Three-dimensional micro-nano structure.Further, the present invention is using sudden strain of a muscle butterfly wing.And artificial synthesized method is showing for this field
There is technology, referring specifically to below with reference to document: R.Potyrailo, A.et al.Towards outperforming
conventional sensor arrays with fabricated individual photonic vapour sensors
inspired by Morpho butterflies.Nat.Commun.6,7959(2015)。
Further, absorption may include chemical absorption of surface and surface physics absorption.For chemical absorption of surface, institute
The site of the three-dimensional micro-nano structure surface Ying Youyu chemical molecular reaction of use.When three-dimensional micro-nano structure is in containing chemistry
When in the atmosphere of molecule or in solution, both surface site and chemical molecular will form chemical bond, to form surface chemistry suction
It is attached；Surface physics are adsorbed, are as caused by the i.e. Van der Waals force of intermolecular force between material surface and chemical molecular
's.The power is present between arbitrary two kinds of molecules, so physical absorption can occur in the arbitrary surface of solids.When three-dimensional micro-
When nanostructure is in the environment containing chemical molecular, surface is more or less to inhale chemical molecular generation physics
It is attached.
Wavelength selectivity of the invention is by the infrared ray excited lower different chemical molecular desorption processes of specific wavelength
Difference realizes the differentiation to the infrared light of different wave length.And for specific three dimensional micro nano structure and specified chemical molecule,
The infrared light that will not be responded will not generate corresponding change of properties.
Further, the chemical molecular is hydrone or triethylsilane molecule.
Further, in step (3), the change of properties of three-dimensional micro-nano structure is optical property variation, electrical property variation
Or magnetic property variation.
Further, optical property variation is the displacement of optical wavelength and/or the variation of light signal strength, wherein light letter
Number to absorb optical signal, reflected light signal, optical signal transmissive and/or scattered light signal；Optical signal range includes ultraviolet light, visible
Light, infrared light or microwave.Electrical property variation is the variation of voltage, electric current, resistance or capacitor.Magnetic property variation be magnetic field strength or
The variation in direction.Optical signal detecting can be detected material from ultraviolet to the reflection of infrared band, transmission by spectrometer and absorb light
Spectrum.In addition, also can be used corresponding Raman spectrometer or Fluorescence Spectrometer to detect Raman and fluorescence spectrum.Voltage measurement
Voltmeter can be used, ammeter can be used in current measurement, and resistance meter can be used in resistance measurement.Capacitance measurement can be with
It is measured using multimeter.The variation in magnetic field strength or direction can be surveyed using fluxmeter, magnetometer and magnetic potentiometer etc.
Amount.
Further, the mathematical method includes Principal Component Analysis, factor analysis, clustering methodology, regression analysis
Method or modern optimization algorithm.
Compared with prior art, the invention has the following advantages that
(1) for the detection of different wave length infrared light, the present invention only needs to change the chemical molecular for being used for adsorption desorption, without
Need to change three-dimensional micro-nano structure, using flexible is stronger, and can save the expense of material and preparation；
(2) selectively de- from the surface of three-dimensional micro-nano structure under the excitation of different infrared wavelengths using different chemical moleculars
Attached to carry out selective detection to different wave length infrared light, the sensitivity of detection is higher.
(3) there is bigger surface area, more adsorption sites than ordinary construction due to three-dimensional micro-nano structure, is more
Chemical molecular adsorption and desorption provide possibility.In infrared ray excited lower meeting so that more chemical molecular is from micro nano structure
Surface desorption, generates bigger signal intensity, and the sensitivity of detection is higher.In addition, the characteristic of micro nano structure is also that raising is red
The speed of response and spatial resolution of outer detection provide possibility, and size is smaller, and the speed of response is faster, and spatial resolution is higher.
Detailed description of the invention
Fig. 1 be after principal component analytical method is analyzed, it is micro- in hydrone desorption process caused by the infrared light of different wave length
The principal component load diagram of its spectrum change of nanostructure；
Fig. 2 is the triethylsilane desorbing molecules caused by the infrared light of different wave length after principal component analytical method is analyzed
The principal component load diagram of its spectrum change of micro nano structure in the process.
Specific embodiment
The present invention is described in detail with specific embodiment below in conjunction with the accompanying drawings.The present embodiment is with technical solution of the present invention
Premised on implemented, the detailed implementation method and specific operation process are given, but protection scope of the present invention is not limited to
Following embodiments.
In following embodiment, unless otherwise instructed, then raw material used by showing or processing technique are this field
Conventional raw material or routine techniques.
In the present invention using Mathematical Method analysis map process be this field common analytical technology, specifically
The processing of light reflectance spectrum is the process of such as map of Fig. 1 or Fig. 2 referring specifically to document by Principal Component Analysis: Potyrailo R
A,Ghiradella H,Vertiatchikh A,et al.Morpho butterfly wing scales demonstrate
highly selective vapour response[J].Nature Photonics,2007,1(2):123-128.
Embodiment 1
It chooses and dodges butterfly wing as example, butterfly wing is placed in hydrone atmosphere, the butterfly wing pair of hydrone has been adsorbed
The infrared light of 3000nm and 6000nm has obvious absorption, hardly picks up to the infrared light of 4500nm and 4750nm.It is inhaled to molecule
After attached desorption reaches balance, respectively with the Infrared irradiation of 3000nm, 4500nm, 4750nm and 6000nm in butterfly wing surface,
Cause desorbing molecules, records the change procedure of visible reflectance spectrum, and taking off with principal component analytical method analysis infrared radiation
The spectrum of attached process 0min, 1min, 2min, 3min, 4min and 5min, response results are as shown in Figure 1.Due to having adsorbed moisture
The butterfly wing of son is different to the infrared Absorption energy of 3000nm and 6000nm, and curve present position in figure is different, can distinguish
Wavelength is the infrared light of 3000nm and 6000nm out.
At this point, the selectivity to the infrared light that wavelength is 3000nm and 6000nm can be carried out by the map of such as Fig. 1
Detection, specific detection process are then to replace with the infrared light of corresponding wavelength to be measured referring to above-mentioned experimental procedure.And in addition
Two kinds can will not then realize in example 2 selective detection with the infrared light for the wavelength for dodging the response of butterfly wing+hydrone.
Embodiment 2
It chooses and dodges butterfly wing as example, butterfly wing is placed in triethylsilane molecule atmosphere, triethylsilane has been adsorbed
The butterfly wing of molecule has obvious absorption to the infrared light of 3000nm, 4750nm and 6000nm, hardly inhales to the infrared light of 4500nm
It receives.After Molecular Adsorption desorption reaches balance, the Infrared irradiation of 3000nm, 4500nm, 4750nm and 6000nm are used respectively
In butterfly wing surface, cause desorbing molecules, records the change procedure of visible reflectance spectrum, and analyzed with principal component analytical method
The spectrum of the desorption process 0min, 1min, 2min, 3min, 4min and 5min of infrared radiation, response results are as shown in Figure 2.By
In having adsorbed the butterfly wing of triethylsilane molecule to the infrared Absorption energy of 3000nm, 4500nm, 4750nm and 6000nm not
Together, curve present position in figure is different, and can distinguish wavelength is the infrared of 3000nm, 4500nm, 4750nm and 6000nm
Light.
At this point, referring again to the experimentation such as embodiment 2 in conjunction with Fig. 2 map, can be realized to wavelength is 3000nm,
The infrared light of 4500nm, 4750nm and 6000nm carry out selective detection.
The above description of the embodiments is intended to facilitate ordinary skill in the art to understand and use the invention.
Person skilled in the art obviously easily can make various modifications to these embodiments, and described herein general
Principle is applied in other embodiments without having to go through creative labor.Therefore, the present invention is not limited to the above embodiments, ability
Field technique personnel announcement according to the present invention, improvement and modification made without departing from the scope of the present invention all should be of the invention
Within protection scope.
Claims (7)
1. utilizing the method for molecule adsorption desorption process choosing detection different wave length infrared light, which is characterized in that including following step
It is rapid:
(1) three-dimensional micro-nano structure is taken to be placed in chemical molecular atmosphere, so that the corresponding chemistry of three-dimensional micro-nano structure adsorption
Molecule, and reach dynamic equilibrium；
(2) infrared light for applying wavelength to be measured to the three-dimensional micro-nano structure for reaching adsorption dynamics balance in step (1), so that three
Dimension micro-and nano-structural surface reaches the chemical molecular desorption of adsorption dynamics balance；
(3) change of properties of three-dimensional micro-nano structure caused by the dynamic process of record chemical molecular desorption, forms map, then
Wavelength curve to be measured is obtained after mathematically analyzing, wavelength curve to be measured and standard of wavelength curve comparison are realized different
The selectivity of IR wavelengths detects.
2. a kind of side using molecule adsorption desorption process choosing detection different wave length infrared light according to claim 1
Method, which is characterized in that the chemical molecular is inorganic molecule, organic molecule or large biological molecule, in external signal incentive condition
Under, chemical molecular can be adsorbed on three-dimensional micro-nano structure surface, and form stable adsorption desorption balance, when by additional letter
When number stimulation, chemical molecular is from three-dimensional micro-nano structure surface desorption.
3. a kind of side using molecule adsorption desorption process choosing detection different wave length infrared light according to claim 1
Method, which is characterized in that the three-dimensional micro-nano structure is to dodge butterfly wing.
4. a kind of side using molecule adsorption desorption process choosing detection different wave length infrared light according to claim 3
Method, which is characterized in that the chemical molecular is hydrone or triethylsilane molecule.
5. a kind of side using molecule adsorption desorption process choosing detection different wave length infrared light according to claim 1
Method, which is characterized in that in step (3), the change of properties of three-dimensional micro-nano structure is optical property variation, electrical property variation or magnetic
Change of properties.
6. a kind of side using molecule adsorption desorption process choosing detection different wave length infrared light according to claim 5
Method, which is characterized in that optical property variation is the displacement of optical wavelength and/or the variation of light signal strength, wherein optical signal is to inhale
Receive optical signal, reflected light signal, optical signal transmissive and/or scattered light signal；
Electrical property variation is the variation of voltage, electric current, resistance or capacitor；
Magnetic property variation is the variation in magnetic field strength or direction.
7. a kind of side using molecule adsorption desorption process choosing detection different wave length infrared light according to claim 1
Method, which is characterized in that the mathematical method include Principal Component Analysis, factor analysis, clustering methodology, regression analysis or
Modern optimization algorithm.
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-
2019
- 2019-04-24 CN CN201910334127.XA patent/CN110081987B/en active Active
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| Title |
|---|
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