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Controllable light-absorbing graphene molybdenum disulfide-based light-adjustable ecological glass and preparation method

A molybdenum disulfide and graphene technology, applied in coatings and other directions, can solve the problems of little research on dimming glass, and achieve the effects of good adjustable optical absorption capacity, good uniformity, and stable film structure

Active Publication Date: 2021-07-27
RES & DEV INST OF NORTHWESTERN POLYTECHNICAL UNIV IN SHENZHEN +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, there are few researches on the switchable glass of graphene-like molybdenum disulfide

Method used

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  • Controllable light-absorbing graphene molybdenum disulfide-based light-adjustable ecological glass and preparation method
  • Controllable light-absorbing graphene molybdenum disulfide-based light-adjustable ecological glass and preparation method
  • Controllable light-absorbing graphene molybdenum disulfide-based light-adjustable ecological glass and preparation method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] Take a glass with an area of ​​3cm × 3cm, remove common stains on the surface with water and detergent, and then soak the glass with acetone and ethanol and ultrasonically clean the glass for 10 minutes. Finally, use deionized water for repeated cleaning for 3 times. Clean glass using N 2 The surface moisture was removed by purging, and the purging time was 5min. Take clean glass and carry out ultraviolet light cleaning treatment, and the light time is 15min. Molybdenum trioxide precursor film was evaporated on glass, and molybdenum trioxide powder (MoO 3 ) with a mass of 0.5 g, placed in an evaporation heating crucible, and the clean glass after UV cleaning was placed above the crucible. After the evaporation chamber is evacuated, the MoO is heated 3 The powder was evaporated, and the heating temperature was 300°C. Finally, a molybdenum trioxide thin film was deposited on the glass surface with a thickness of 50 nm. Finally, molybdenum trioxide sulfidation was car...

Embodiment 2

[0028] Take a glass with an area of ​​3 cm × 3 cm, remove common stains on the surface with water and detergent, and then soak the glass with acetone and ethanol and ultrasonically clean the glass for 20 min. Finally, use deionized water for repeated cleaning for 4 times. Clean glass using N 2 The surface moisture was removed by purging, and the purging time was 10min. Take clean glass and carry out ultraviolet light cleaning treatment, and the light time is 20min. The evaporation experiment of the molybdenum trioxide precursor thin film was carried out on the glass, and the molybdenum trioxide powder (MoO 3 ) with a mass of 1.0 g, placed in an evaporation heating crucible, and the clean glass after UV cleaning was placed above the crucible. After the evaporation chamber is evacuated, the MoO is heated 3The powder was allowed to evaporate, and the heating temperature was 400°C. Finally, a molybdenum trioxide thin film was deposited on the glass surface with a thickness of ...

Embodiment 3

[0031] Take a glass with an area of ​​3 cm × 3 cm, remove common stains on the surface with water and detergent, and then soak the glass with acetone and ethanol and ultrasonically clean the glass for 30 min. Finally, use deionized water for repeated cleaning for 5 times. Clean glass using N 2 The surface moisture was removed by purging, and the purging time was 7min. Take clean glass and carry out ultraviolet light cleaning treatment, and the light time is 20min. The evaporation experiment of the molybdenum trioxide precursor thin film was carried out on the glass, and the molybdenum trioxide powder (MoO 3 ) mass of 0.7g, placed in a heating crucible for evaporation. The clean glass after UV cleaning is placed over the crucible. After the evaporation chamber is evacuated, the MoO is heated 3 The powder was allowed to evaporate, and the heating temperature was 400°C. Finally, a molybdenum trioxide thin film was deposited on the glass surface with a thickness of 150 nm. F...

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Abstract

The invention relates to a controllable light-absorbing graphene-like molybdenum disulfide-based light-adjustable ecological glass and a preparation method. The chemical vapor deposition method (CVD) is used to directly grow molybdenum disulfide material on the surface of ordinary glass, and its composition is MoS 2 , by controlling the growth process of the molybdenum disulfide thin film, the glass can realize the function of adjusting the absorption range of the visible light, so as to achieve the purpose of glass light transmission. During the growth process of graphene-like molybdenum disulfide surface film on the glass surface, the reaction temperature and reaction time are changed, the interlayer distance of molybdenum disulfide is changed, the growth direction and surface morphology are changed, and then the visible light transmission can be controlled. Purpose. Molybdenum disulfide is directly grown on glass by CVD method, and has excellent stability. Moreover, the research on the preparation of new molybdenum disulfide dimming glass can further promote the development and application of dimming glass preparation technology.

Description

technical field [0001] The invention belongs to the fields of functional materials and glass processing, and relates to a graphene-like molybdenum disulfide-based light-adjustable ecological glass with controllable light absorption Background technique [0002] Light-adjustable glass refers to a new type of glass that adjusts the light transmission properties by introducing nano-materials to the glass surface film or changing its microstructure. Due to its light transmission and adjustability, dimming glass is also used in construction sites that require confidentiality or privacy protection. The window glass made of it is as convenient as a curtain with an electronic control device. A film with nano-scale particles and nano-scale microporous structure is formed on the surface of the glass. This layer of nano-materials has different absorption properties and ranges for sunlight, which can achieve selective light absorption and control the light entering the room. At present...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C03C17/22
CPCC03C17/22C03C2217/288
Inventor 李炫华杨琳辛旭郭绍晖宋亚茹
Owner RES & DEV INST OF NORTHWESTERN POLYTECHNICAL UNIV IN SHENZHEN