Semiconductor quantum dot doped polymer dispersed liquid crystal containing Ag nanoparticles
A nanoparticle, dispersed liquid crystal technology, applied in nanotechnology, nanotechnology, nanotechnology for materials and surface science, etc., can solve the problems of polymer-dispersed liquid crystal structure damage, inability to prepare random lasers, and the luminous band is not easy to change. , to achieve the effect of broad commercialization prospects, less harsh preparation conditions, and short preparation cycle
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Embodiment 1
[0040] A polymer-dispersed liquid crystal doped with semiconductor quantum dots containing Ag nanoparticles, prepared from the following components in parts by mass:
[0041]
[0042] Wherein, the nematic liquid crystal includes the following components in parts by mass:
[0043]
[0044]
[0045] The semiconductor quantum dots are ZnCdSeS / ZnS semiconductor quantum dots.
[0046] The particle size of the Ag nanoparticles was 80 nm.
[0047] The above-mentioned semiconductor quantum dot doped polymer dispersed liquid crystal containing Ag nanoparticles is prepared by the following method:
[0048] (1) Nematic liquid crystal, photosensitive polymer polymethyl methacrylate, ZnCdSeS / ZnS semiconductor quantum dots and photoinitiator phenylbis(2,4,6-trimethylbenzoyl)phosphine oxide were heated at 50°C Stir in the dark for 5 minutes to form a mixed solution, then add Ag nanoparticles with a particle size of 80 nm into the mixed solution, perform ultrasonic dispersion for 1...
Embodiment 2
[0059] A semiconductor quantum dot-doped polymer-dispersed liquid crystal with Ag nanoparticles as a scatterer, prepared from the following components in parts by mass:
[0060]
[0061] Wherein, the nematic liquid crystal includes the following components in parts by mass:
[0062]
[0063] The semiconductor quantum dots are ZnCdSeS / ZnS semiconductor quantum dots.
[0064] The particle diameter of the Ag nanoparticles was 50 nm.
[0065] The above-mentioned semiconductor quantum dot doped polymer dispersed liquid crystal containing Ag nanoparticles is prepared by the following method:
[0066] (1) Stir nematic liquid crystal, photosensitive polymer polymethyl acrylate, ZnCdSeS / ZnS semiconductor quantum dots and photoinitiator 2-hydroxy-methylphenylpropan-1-ketone at 50°C in the dark for 5 minutes to form a mixed solution , and then Ag nanoparticles with a particle size of 50 nm were added to the mixed solution, followed by ultrasonic dispersion for 1 min, and then mec...
Embodiment 3
[0071] A polymer-dispersed liquid crystal doped with semiconductor quantum dots containing Ag nanoparticles, prepared from the following components in parts by mass:
[0072]
[0073] Wherein, the nematic liquid crystal includes the following components in parts by mass:
[0074]
[0075] The semiconductor quantum dots are ZnCdSeS / ZnS semiconductor quantum dots.
[0076] The particle size of the Ag nanoparticles was 20 nm.
[0077] The above-mentioned semiconductor quantum dot doped polymer dispersed liquid crystal containing Ag nanoparticles is prepared by the following method:
[0078] (1) Stir nematic liquid crystal, photosensitive polymer polyaminoacrylate, ZnCdSeS / ZnS semiconductor quantum dots and photoinitiator benzoin dimethyl ether at 50°C for 5min in the dark to form a mixed solution, and then mix the particles with a particle size of 20nm After the Ag nanoparticles were added into the mixed solution, ultrasonic dispersion was performed for 1 min, and then me...
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