CN107887479A - A kind of preparation method based on CNT cadmium sulfide photoelectricity composite material - Google Patents

A kind of preparation method based on CNT cadmium sulfide photoelectricity composite material Download PDF

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Publication number
CN107887479A
CN107887479A CN201711373773.4A CN201711373773A CN107887479A CN 107887479 A CN107887479 A CN 107887479A CN 201711373773 A CN201711373773 A CN 201711373773A CN 107887479 A CN107887479 A CN 107887479A
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cnt
composite material
cadmium sulfide
photoelectricity composite
preparation
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蔡赛
胡进
李琳
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Suzhou Trillion Optoelectronic Technology Co Ltd
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Suzhou Trillion Optoelectronic Technology Co Ltd
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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L31/00Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
    • H01L31/18Processes or apparatus specially adapted for the manufacture or treatment of these devices or of parts thereof
    • H01L31/1828Processes or apparatus specially adapted for the manufacture or treatment of these devices or of parts thereof the active layers comprising only AIIBVI compounds, e.g. CdS, ZnS, CdTe
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/62Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
    • G01N21/63Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light optically excited
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L31/00Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
    • H01L31/0248Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by their semiconductor bodies
    • H01L31/0256Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by their semiconductor bodies characterised by the material
    • H01L31/0264Inorganic materials
    • H01L31/0296Inorganic materials including, apart from doping material or other impurities, only AIIBVI compounds, e.g. CdS, ZnS, HgCdTe
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/50Photovoltaic [PV] energy
    • Y02E10/543Solar cells from Group II-VI materials
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50Manufacturing or production processes characterised by the final manufactured product

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Abstract

The invention discloses a kind of preparation method based on CNT cadmium sulfide photoelectricity composite material, including:(1) CNT is added in ethanol and the mixed liquor of deionized water, 2~3h of ultrasonic disperse, obtains carbon nano tube suspension;(2) hydro-thermal method is utilized, above-mentioned carbon nano tube suspension is heat-treated, resulting product carries out homogenization under certain condition, obtains CNT gel;(3) chromium chloride solution is added into above-mentioned CNT gel, 1~2h of ultrasonic disperse under the conditions of lucifuge, it is 20~25 DEG C to control temperature conditionss, sodium sulfide solution is added, 1~2h of ultrasonic disperse, is stood, vacuum filtration, dry, obtain CNT cadmium sulfide photoelectricity composite material.It is evenly dispersed in by what the method in the present invention was prepared based on CNT cadmium sulfide photoelectricity composite material, cadmium sulfide in surface and the hole of CNT, so as to effectively increase the photoelectric transformation efficiency of the CNT cadmium sulfide photoelectricity composite material.

Description

A kind of preparation method based on CNT-cadmium sulfide photoelectricity composite material
Technical field
The present invention relates to field of material technology, and CNT-cadmium sulfide photoelectricity composite material is based on more particularly to one kind Preparation method.
Background technology
Cadmium sulfide is a kind of good narrow-band semiconductor, there is excellent photoelectric respone to visible ray, in photoelectric tube, photosensitive electricity There is good application prospect in the fields such as resistance, solar cell, photochemical catalyst.But the pattern and micro-structural of cadmium sulfide are to its performance shadow Sound is very large, and especially it easily reunites in preparation process, easily forms bulk cadmium sulfide so that performance substantially reduces.
CNT is that one kind has the premium properties such as electric-conductivity heat-conductivity high, high-specific surface area, high mechanical properties, height absorption Monodimension nanometer material, because the advantages of its is numerous is in many high-tech sectors such as photoelectric material, energy storage material, sensor, biological device Part etc. has the unrivaled advantage of traditional material, and causes extensive research in subjects such as material, physics, chemistry, biologies.But Because CNT has one-dimensional nano structure feature, draw ratio is big, simultaneously as Van der Waals larger between CNT draws Power and huge specific surface area, therefore easily exist to tangle cluster states.How play CNT excellent properties Enable the CNT in CNT-cadmium sulfide composite material is dispersed to turn into key factor.
For this reason, it is necessary in view of the above-mentioned problems, propose a kind of preparation based on CNT-cadmium sulfide photoelectricity composite material Method, it can solve the problem that problems of the prior art.
The content of the invention
It is an object of the invention to provide a kind of preparation method based on CNT-cadmium sulfide photoelectricity composite material, with Overcome deficiency of the prior art.
To achieve the above object, the present invention provides following technical scheme:
A kind of preparation method based on CNT-cadmium sulfide photoelectricity composite material, including:
(1) CNT is added in ethanol and the mixed liquor of deionized water, 2~3h of ultrasonic disperse, obtains CNT Suspension;
(2) hydro-thermal method is utilized, above-mentioned carbon nano tube suspension is heat-treated, resulting product is under certain condition Homogenization is carried out, obtains CNT gel;
(3) chromium chloride solution is added into above-mentioned CNT gel, 1~2h of ultrasonic disperse under the conditions of lucifuge, control Temperature conditionss are 20~25 DEG C, add sodium sulfide solution, 1~2h of ultrasonic disperse, stand, be filtered by vacuum, dry, obtain carbon nanometer Pipe-cadmium sulfide photoelectricity composite material.
Preferably, in step (1), in the mixed liquor of the ethanol and deionized water, the ethanol and the deionized water The ratio between volume be 1:1~5.
Preferably, in step (2), the certain condition is:200~500MPa of pressure, 0.05~0.1mm of aperture.
Preferably, in step (3), ultrasonic power is 500~800W.
Preferably, in step (3), the ratio between amount of material of the chromium chloride solution and the sodium sulfide solution is 1:1~ 5。
Preferably, the ratio between the chromium chloride solution and the amount of material of the sodium sulfide solution are 1:1~3.
Compared with prior art, the advantage of the invention is that:Received by what the method in the present invention was prepared based on carbon Mitron-cadmium sulfide photoelectricity composite material, cadmium sulfide are evenly dispersed in surface and the hole of CNT, so as to effectively improve The photoelectric transformation efficiency of the CNT-cadmium sulfide photoelectricity composite material.
Embodiment
The present invention is described further by the following example:According to following embodiments, the present invention may be better understood. However, as it will be easily appreciated by one skilled in the art that specific material ratio, process conditions and its result described by embodiment are only used In the explanation present invention, without should be also without limitation on the present invention described in detail in claims.
The present invention discloses a kind of preparation method based on CNT-cadmium sulfide photoelectricity composite material, including:
(1) CNT is added in ethanol and the mixed liquor of deionized water, 2~3h of ultrasonic disperse, obtains CNT Suspension;
(2) hydro-thermal method is utilized, above-mentioned carbon nano tube suspension is heat-treated, resulting product is under certain condition Homogenization is carried out, obtains CNT gel;
(3) chromium chloride solution is added into above-mentioned CNT gel, 1~2h of ultrasonic disperse under the conditions of lucifuge, control Temperature conditionss are 20~25 DEG C, add sodium sulfide solution, 1~2h of ultrasonic disperse, stand, be filtered by vacuum, dry, obtain carbon nanometer Pipe-cadmium sulfide photoelectricity composite material.
In above-mentioned steps (1), in the mixed liquor of the ethanol and deionized water, the body of the ethanol and the deionized water The ratio between product is 1:1~5, it is preferred that the ratio between volume of the ethanol and the deionized water is 1:2.
In above-mentioned steps (2), the certain condition is:200~500MPa of pressure, 0.05~0.1mm of aperture, it is preferred that 200~300MPa of pressure, 0.05~0.08mm of aperture.
In above-mentioned steps (3), ultrasonic power is 500~800W, it is preferred that ultrasonic power is 750~800W;Step (3) In, the ratio between amount of material of the chromium chloride solution and the sodium sulfide solution is 1:1~5, it is preferred that the chromium chloride solution It is 1 with the ratio between the amount of material of the sodium sulfide solution:1~3, it is further preferred that the chromium chloride solution and the vulcanization The ratio between amount of material of sodium solution is 1:3.
Embodiment 1
(1) it is 1 CNT to be added into the ratio between volume:In 1 ethanol and the mixed liquor of deionized water, ultrasonic disperse 2h, Obtain carbon nano tube suspension;
(2) hydro-thermal method is utilized, above-mentioned carbon nano tube suspension is heat-treated, resulting product is in pressure Homogenization is carried out under conditions of 200MPa, aperture 0.05mm, obtains CNT gel;
(3) chromium chloride solution is added into above-mentioned CNT gel, 1~2h of ultrasonic disperse under the conditions of lucifuge, control Temperature conditionss are 20~25 DEG C, add sodium sulfide solution, 1~2h of ultrasonic disperse, stand, be filtered by vacuum, dry, obtain carbon nanometer Pipe-cadmium sulfide photoelectricity composite material, wherein, ultrasonic power uses 500W, the chromium chloride solution and the sodium sulfide solution The ratio between amount of material is 1:1.
Embodiment 2
(1) it is 1 CNT to be added into the ratio between volume:In 2 ethanol and the mixed liquor of deionized water, ultrasonic disperse 2.5h, obtain carbon nano tube suspension;
(2) hydro-thermal method is utilized, above-mentioned carbon nano tube suspension is heat-treated, resulting product is in pressure Homogenization is carried out under conditions of 300MPa, aperture 0.08mm, obtains CNT gel;
(3) chromium chloride solution is added into above-mentioned CNT gel, 1~2h of ultrasonic disperse under the conditions of lucifuge, control Temperature conditionss are 20~25 DEG C, add sodium sulfide solution, 1~2h of ultrasonic disperse, stand, be filtered by vacuum, dry, obtain carbon nanometer Pipe-cadmium sulfide photoelectricity composite material, wherein, ultrasonic power uses 750W, the chromium chloride solution and the sodium sulfide solution The ratio between amount of material is 1:3.
Embodiment 3
(1) it is 1 CNT to be added into the ratio between volume:In 5 ethanol and the mixed liquor of deionized water, ultrasonic disperse 3h, Obtain carbon nano tube suspension;
(2) hydro-thermal method is utilized, above-mentioned carbon nano tube suspension is heat-treated, resulting product is in pressure Homogenization is carried out under conditions of 500MPa, aperture 0.1mm, obtains CNT gel;
(3) chromium chloride solution is added into above-mentioned CNT gel, 1~2h of ultrasonic disperse under the conditions of lucifuge, control Temperature conditionss are 20~25 DEG C, add sodium sulfide solution, 1~2h of ultrasonic disperse, stand, be filtered by vacuum, dry, obtain carbon nanometer Pipe-cadmium sulfide photoelectricity composite material, wherein, ultrasonic power uses 800W, the chromium chloride solution and the sodium sulfide solution The ratio between amount of material is 1:5.
To carrying out electron-microscope scanning using CNT-cadmium sulfide photoelectricity composite material made from the method in above-described embodiment It was found that cadmium sulfide can be evenly dispersed in surface and the hole of CNT;Meanwhile to CNT obtained above- Knowable to the photoelectric properties of cadmium sulfide photoelectricity composite material are analyzed, by the way that cadmium sulfide and CNT are carried out into recombination reaction, Effectively increase the photoelectric transformation efficiency of the composite.
Finally, it is to be noted that, term " comprising ", "comprising" or its any other variant be intended to it is non-exclusive Property includes, so that process, method, article or equipment including a series of elements not only include those key elements, and Also include the other element that is not expressly set out, or also include for this process, method, article or equipment inherently Key element.

Claims (6)

  1. A kind of 1. preparation method based on CNT-cadmium sulfide photoelectricity composite material, it is characterised in that including:
    (1) CNT is added in ethanol and the mixed liquor of deionized water, 2~3h of ultrasonic disperse, obtains CNT suspension Liquid;
    (2) hydro-thermal method is utilized, above-mentioned carbon nano tube suspension is heat-treated, resulting product is carried out under certain condition Homogenization, obtain CNT gel;
    (3) chromium chloride solution is added into above-mentioned CNT gel, 1~2h of ultrasonic disperse under the conditions of lucifuge, controls temperature Condition be 20~25 DEG C, add sodium sulfide solution, 1~2h of ultrasonic disperse, stand, be filtered by vacuum, dry, obtain CNT- Cadmium sulfide photoelectricity composite material.
  2. 2. the preparation method according to claim 1 based on CNT-cadmium sulfide photoelectricity composite material, its feature exist In in step (1), in the mixed liquor of the ethanol and deionized water, the ratio between volume of the ethanol and the deionized water is 1:1~5.
  3. 3. the preparation method according to claim 1 based on CNT-cadmium sulfide photoelectricity composite material, its feature exist In in step (2), the certain condition is:200~500MPa of pressure, 0.05~0.1mm of aperture.
  4. 4. the preparation method according to claim 1 based on CNT-cadmium sulfide photoelectricity composite material, its feature exist In in step (3), ultrasonic power is 500~800W.
  5. 5. the preparation method according to claim 1 based on CNT-cadmium sulfide photoelectricity composite material, its feature exist In in step (3), the ratio between amount of material of the chromium chloride solution and the sodium sulfide solution is 1:1~5.
  6. 6. the preparation method according to claim 5 based on CNT-cadmium sulfide photoelectricity composite material, its feature exist In the ratio between amount of material of the chromium chloride solution and the sodium sulfide solution is 1:1~3.
CN201711373773.4A 2017-12-19 2017-12-19 A kind of preparation method based on CNT cadmium sulfide photoelectricity composite material Withdrawn CN107887479A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117577745A (en) * 2024-01-17 2024-02-20 广州市尤特新材料有限公司 Doping method for improving electronic performance of cadmium telluride film

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JP6207331B2 (en) * 2013-10-02 2017-10-04 Jfeエンジニアリング株式会社 Solar cell and method for producing carbon electrode thereof

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US20100133471A1 (en) * 2006-05-23 2010-06-03 The University Of Akron Dendron-tethered and templated quantum dots on carbon nanotubes
CN101157437A (en) * 2007-10-23 2008-04-09 浙江大学 Method for preparing carbon nano-tube/CdS nano flower composite material
JP6207331B2 (en) * 2013-10-02 2017-10-04 Jfeエンジニアリング株式会社 Solar cell and method for producing carbon electrode thereof

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117577745A (en) * 2024-01-17 2024-02-20 广州市尤特新材料有限公司 Doping method for improving electronic performance of cadmium telluride film
CN117577745B (en) * 2024-01-17 2024-03-26 广州市尤特新材料有限公司 Doping method for improving electronic performance of cadmium telluride film

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