Plasmon resonance reversible control of silver nanoparticle film and its preparation method and application
A technology of plasmon resonance and silver nanoparticles, applied in the field of smart membrane materials, can solve the problems of slow reversible plasmon resonance regulation rate, small spectral modulation range, poor cycle life, etc., and achieve excellent SPR reversible regulation characteristics, high sensitivity, The effect of excellent cycle performance
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Image
Examples
Embodiment 1
[0067] A method for preparing a plasma resonance reversible regulatory silver nanoparticle film, including steps as follows:
[0068] (1) First, the spectral absorption peak is 420 nm, and the spectral absorption range is 400-450 nm. The spectral absorption ranges from 400-510 nm, the spectral absorption ranges from 400-550 nm, and the spectral absorption range is 400. The silver nanoparticle assembly of -590 nm is dispersed in a mixed solvent of ethanol and water, and ultrasonic mix is uniform. Among them, the mass fraction of the silver nanoparticle assembly is 20 mg / ml, and the mass fraction of ethanol in the mixed solvent is 65%.
[0069] (2) Then, the aqueous sodium carbonate solution having a concentration of 0.1 m was prepared, and the cleaned glass sheet was subjected to a water solution of the sodium carbonate, and the glass sheet was removed at 50 ° C.
[0070] (3) Place the glass sheet treated with sodium carbonate on the flat plate heating station, and the heating te...
Embodiment 2
[0073] A method for preparing a plasma resonance reversible regulatory silver nanoparticle film, including steps as follows:
[0074] (1) First, the silver nanoparticle assembly of the spectral absorption is 400-510 nm is dispersed in a mixed solvent of ethanol and water, and the ultrasonic mix is uniform. Among them, the mass fraction of the silver nanoparticle assembly is 30 mg / ml, and the mass fraction of ethanol in the mixed solvent is 75%.
[0075] (2) Then, the aqueous solution of a sodium silicate having a concentration of 0.5 m was formulated, and the cleansing glass sheet was subjected to the water solution of the cleaning in the sodium silicate solution, and the glass sheet was removed at 50 ° C to dry the spare.
[0076] (3) Place the glass sheet treated with sodium carbonate on the flat plate heating station, and the heating temperature is 50 ° C, and then the sprayed flow rate is 2 ml / min, and the spray time is 5 s per square centimeter, and silver nanoparticles...
Embodiment 3
[0082] A method for preparing a plasma resonance reversible regulatory silver nanoparticle film, including steps as follows:
[0083] (1) First, the silver nanoparticle assembly of 400 to 510 nm is dispersed in a mixed solvent of ethanol and water, and ultrasonic mix is uniform. Among them, the mass fraction of the silver nanoparticle assembly is 40 mg / ml, and the mass fraction of ethanol in the mixed solvent is 80%.
[0084] (2) Then, the aqueous solution of aqueous sodium borate having a concentration of 0.2 m was prepared, and the cleansing glass sheet was subjected to a water solution of the sodium borate, and the glass sheet was removed at 50 ° C.
[0085] (3) Place the glass sheet treated with sodium carbonate on the flat plate heating station, and the heating temperature is 40 ° C, and then the sprayed flow rate is 2 ml / min, and the spraying time is 5 s per square centimeter, and silver nanoparticles The assembly dispersion was sprayed onto a glass sheet to prepare a ...
PUM
| Property | Measurement | Unit |
|---|---|---|
| thickness | aaaaa | aaaaa |
| thickness | aaaaa | aaaaa |
| thickness | aaaaa | aaaaa |
Abstract
Description
Claims
Application Information
Login to View More