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Molybdenum disulfide quantum dot-modified graphene-zinc oxide nanotube array sensing material preparation method

A technology of zinc oxide nanotubes and zinc oxide nanorods, which is applied in the field of solar cells, can solve the problems of being inflexible and inconvenient to carry, and achieve the effects of extended stability, good specific surface area, and improved chemical stability

Active Publication Date: 2017-11-24
杨婷
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, individual graphene or zinc oxide sensors have their defects, and are not portable and cannot be bent. It is necessary to find a new preparation process to improve its performance and practical value, so as to achieve high efficiency, convenience, and large-scale production.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] 1) Preparation of ZnO nanorod arrays by electrochemical deposition

[0035] Using a two-electrode system, place 0.005M zinc nitrate solution as the electrolyte in a water bath and heat it at a constant temperature of 70°C, and use the cut zinc foil and the cleaned conductive glass with insulating tape on the left and right ends as electrodeposited electrodes. The anode and cathode are connected to the circuit. The control circuit current is 0.9mA, and the time is 4h. After the deposition, the conductive glass was taken out, washed with deionized water and dried. The obtained dried zinc oxide nanorod arrays were immersed in the prepared 0.2M KOH solution, and reacted at a constant temperature of 90° C. for 2 hours in a water bath to obtain the zinc oxide nanotube arrays.

[0036] 2) Coupling agent modified ZnO nanotube array

[0037] The zinc oxide nanotube arrays were fumigated with water vapor for 30 min, and after natural drying, the zinc oxide nanotube arrays were...

Embodiment 2

[0043] 1) Preparation of ZnO nanorod arrays by electrochemical deposition

[0044] Using a two-electrode system, place 0.005M zinc nitrate solution as the electrolyte in a water bath and heat it at a constant temperature of 70°C, and use the cut zinc foil and the cleaned conductive glass with insulating tape on the left and right ends as electrodeposited electrodes. The anode and cathode are connected to the circuit. The control circuit current is 0.9mA, and the time is 4h. After the deposition, the FTO conductive glass was taken out, washed and dried with deionized water. The obtained dried zinc oxide nanorod arrays were immersed in the prepared 0.2M KOH solution, and reacted at a constant temperature of 90° C. for 2 hours in a water bath to obtain the zinc oxide nanotube arrays.

[0045] 2) Coupling agent modified ZnO nanotube array

[0046] The zinc oxide nanotube arrays were fumigated with water vapor for 30 min, and after natural drying, the zinc oxide nanotube arrays ...

Embodiment 3

[0052] 1) Preparation of ZnO nanorod arrays by electrochemical deposition

[0053] Using a two-electrode system, place 0.005M zinc nitrate solution as the electrolyte in a water bath and heat it at a constant temperature of 70°C, and use the cut zinc foil and the cleaned conductive glass with insulating tape on the left and right ends as electrodeposited electrodes. The anode and cathode are connected to the circuit. The control circuit current is 0.9mA, and the time is 4h. After the deposition, the ITO conductive glass was taken out, washed and dried with deionized water. The obtained dried zinc oxide nanorod arrays were immersed in the prepared 0.2M KOH solution, and reacted at a constant temperature of 90° C. for 2 hours in a water bath to obtain the zinc oxide nanotube arrays.

[0054] 2) Coupling agent modified ZnO nanotube array

[0055] The zinc oxide nanotube arrays were fumigated with water vapor for 30 min, and after natural drying, the zinc oxide nanotube arrays ...

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Abstract

The invention relates to the field of solar cells, and discloses a molybdenum disulfide quantum dot-modified graphene-zinc oxide nanotube array sensing material preparation method. A zinc oxide nanotube array is firstly prepared on conductive glass; carboxylic graphene oxide and zinc oxide are bonded together in a chemical bond mode through a silane coupling agent of aminopropyltrimethoxysilane; through spin coating of PDMS, molybdenum disulfide quantum dots are absorbed, and a flexible quantum dot-modified graphene / zinc oxide nanotube array sensing material is obtained. The sensor has an important development prospect in aspects such as environment monitoring and chemical gas detection.

Description

technical field [0001] The invention relates to the field of solar cells, in particular to a preparation method of a molybdenum disulfide quantum dot modified graphene-zinc oxide nanotube array sensing material. Background technique [0002] With the development of society and the advancement of science and technology, information technology is becoming more and more important in production and life. How to obtain effective information quickly and accurately is the core of information technology. Sensing technology, mainly used for information detection and collection, is the first link in the information chain, so the research of sensors is of great significance to the survival and development of human beings. Sensor technology converts the detected information into electrical and optical signals that can be analyzed and processed by sensing various information of the objective world, such as humidity, temperature, gas, etc. By processing the signals output by sensors, ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01G9/20
CPCH01G9/204Y02E10/542
Inventor 胡智文蒙均晶万军民王秉彭志勤
Owner 杨婷
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