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Composite micro-nano structure array on high light-transmission substrate and method and application thereof

A technology of light-transmitting substrate and micro-nano structure, applied in the field of micro-nano structure and corresponding sensors, can solve the problems of lack of comprehensive research and utilization of properties, and achieve the effects of easy large-area preparation, simple process and simple structure, and simple structure.

Active Publication Date: 2009-09-30
浙江同创海诚科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, these applications are only for the research and application of one of the micro-scale properties, optical properties or electrical properties of materials, and lack of comprehensive research and utilization of its properties.

Method used

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  • Composite micro-nano structure array on high light-transmission substrate and method and application thereof
  • Composite micro-nano structure array on high light-transmission substrate and method and application thereof
  • Composite micro-nano structure array on high light-transmission substrate and method and application thereof

Examples

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Embodiment 1

[0031] The preparation process of the ZnO nanocolumn array: 1. Pretreatment cleaning and hydrophilic treatment of the quartz substrate; 2. 3.29g Zn(Ac) 2 2H 2 O was dissolved in 30ml of ethylene glycol methyl ether, and 0.9ml of ethylenediamine was slowly added during stirring at 60°C, and a transparent colloid was obtained after 30 minutes; 3. Spin-coat the colloid on the pretreated Quartz substrate and post-baked at 400 ° C for 1 h; 4. Place the obtained substrate vertically in different concentrations of Zn(NO 3 ) 2 and (CH 2 ) 6 N 4 5. The substrate with zinc oxide nanocolumns obtained after hydrothermal growth was ultrasonically cleaned in high-purity water and ethanol, respectively, and then dried at 120°C for 1 hour. image 3 Shown is the same concentration of 0.01M Zn(NO 3 ) 2 and (CH 2 ) 6 N 4 The SEM image of the nano-column structure obtained by reacting in the mixed aqueous solution at 90°C for 6 hours shows that the distribution of the nano-columns is re...

Embodiment 2

[0033] Preparation process of zinc oxide mound structure array: Steps 1-3 are the same as in Example 1; 4. Prepare 0.02mol / L Zn(NO 3 ) 2 and 0.01mol / L (CH 2 ) 6 N 4 50ml of the mixed aqueous solution is formed, and 0.8ml of concentrated ammonia water with a concentration of 13mol / L is added; 5. The substrate prepared in 1-3 is vertically placed in the mixed solution, and reacted at 90°C for several hours; 6. Same as in Example 1 In step 5, an array of mound structures is obtained.

Embodiment 3

[0035] Preparation process of porous alumina array: 1. Dissolve 15g oxalic acid in 300ml ultrapure water to obtain oxalic acid solution, dissolve 10ml phosphoric acid in 220ml ultrapure water to obtain phosphoric acid pore-enlarging solution, dissolve 7.6ml phosphoric acid and 3.6g chromium trioxide Prepare a mixture of phosphoric acid and chromic acid in 400ml of ultra-pure water; 2. Immerse the polished high-purity aluminum sheet in the oxalic acid solution, and perform electrochemical corrosion for 1 hour in a water bath at 4°C, with a voltage of 50V and a current of 0.02~ 0.34A; 3. Immerse the corroded aluminum sheet in a mixture of chromic acid and phosphoric acid, and corrode it for 50 minutes at 50°C; 4. Then put the corroded aluminum sheet in an oxalic acid solution for 1 hour of electrochemical corrosion in a water bath at 4°C. The voltage is 50V, and the current is 0.02-0.20A; 5. The obtained substrate is immersed in a phosphoric acid pore-enlarging solution, and the ...

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Abstract

The invention relates to a composite micro-nano structure array on a high light-transmission substrate and a method and application of the same. The invention is characterized in that micro-nano structure arrays of light guide materials on the high light-transmission substrate are taken as supporting structures of fluorescent conjugated polymers for detection. The method comprises: firstly, preparing the micro-nano structure arrays and secondary structure arrays of the light guide materials on the high light-transmission material substrate such as quartz and the like; and secondly, coating the fluorescent conjugated polymers which are sensitive to specified analyte on the surface of the nano structure substrate to form the composite micro-nano structure array which is used for detecting an object. The invention takes the micro-nano structure arrays of different light guide materials as adhesive substrates of the fluorescent conjugated polymers and utilizes the advantages of micro-nano structures such as large specific surface area, evanescent wave effect, micro resonant cavity action and the like to improve the sensitivity of detection and the signal intensity, prolong the service life and improve the reutilization property. The composite micro-nano structure array on the high light-transmission substrate can be applied to the detection of the specificity and high sensitivity of solid, liquid and gas molecules.

Description

technical field [0001] The invention relates to a composite micro-nano structure array on a high light-transmitting substrate, a method and an application thereof. The invention belongs to the field of micro-nano structure and corresponding sensor. Background technique [0002] In the field of sensors, there is a great demand for the analysis and detection of low-concentration liquid and solid analytes, especially in the economic and social fields related to national defense, public safety, and environmental safety. Fluorescence technology is a very sensitive analytical detection technology. Fluorescent conjugated polymers have attracted extensive attention because of their high sensitivity, fast response, specific detection and self-amplifying detection characteristics. [0003] At present, the focus of fluorescence detection is on improving the performance of specific fluorescent conjugated polymers, but the research on the structure and performance of the polymer support...

Claims

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Application Information

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IPC IPC(8): B81B7/04B82B1/00B81C1/00B82B3/00G01N21/00
Inventor 程建功朱德峰贺庆国曹慧敏
Owner 浙江同创海诚科技有限公司
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