A kind of superhydrophobic perovskite/silicon dioxide composite luminescent film and its preparation method and application
A technology of silicon dioxide and light-emitting thin films, applied in chemical instruments and methods, light-emitting materials, semiconductor devices, etc., can solve the problem that the surface of perovskite materials does not have super-hydrophobic properties, does not meet the requirements of environmentally friendly preparation, and the stability needs to be further improved Improvement and other issues, to achieve the effect of low preparation cost, excellent stability, and easy operation
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Image
Examples
Embodiment 1
[0036] A superhydrophobic perovskite / silicon dioxide composite luminescent film, the preparation method of which comprises the following steps:
[0037] 1) Weigh 69mg of PbBr with an electronic balance 2 In a 50mL beaker, measure 8mL of methanol with a graduated cylinder and pipette 0.6mL of ammonia water (concentration: 26wt%) into the above beaker, and continue stirring for 10min to obtain a mixed solution I;
[0038] 2) Weigh 11 mg of Cs with an electronic balance 2 CO 3 In a 10mL beaker, pipette 1mL of methanol and 4.4mL of tetraethyl orthosilicate (TEOS) into the above beaker, stir well until Cs 2 CO 3 Dissolve completely to obtain mixed solution II;
[0039] 3) Under magnetic stirring, slowly drop the mixed solution II prepared in step 2) into the mixed solution I prepared in step 1) with a rubber dropper, and continue to stir and react for 0.5 h;
[0040] 4) While stirring, slowly add 4 mL of hexamethyldisilazane (HMDS) dropwise into the dispersion obtained in step...
Embodiment 2
[0045] A superhydrophobic perovskite / silicon dioxide composite luminescent film, the preparation method of which comprises the following steps:
[0046] 1) At room temperature, weigh 69 mg of PbBr with an electronic balance 2 In a 100mL beaker, measure 16mL of methanol with a graduated cylinder, pipette 1.2mL of ammonia water (concentration: 26wt%) into the above beaker, and continue stirring for 10min to obtain a mixed solution I;
[0047] 2) Weigh 11 mg of Cs with an electronic balance 2 CO 3 In a 25mL beaker, measure 2mL of methanol and 8.8mL of tetraethyl orthosilicate (TEOS) in the above beaker with a graduated cylinder, stir well until Cs 2 CO 3 Dissolve completely to obtain mixed liquid II;
[0048] 3) Under magnetic stirring, slowly drop the mixed solution II prepared in step 2) into the mixed solution I prepared in step 1) with a rubber dropper, and continue to stir and react for 0.5 h;
[0049] 4) While stirring, slowly add 8 mL of hexamethyldisilazane (HMDS) dr...
Embodiment 3
[0053] A superhydrophobic perovskite / silicon dioxide composite luminescent film, the preparation method of which comprises the following steps:
[0054] 1) At room temperature, weigh 69 mg of PbBr with an electronic balance 2 In a 250mL beaker, measure 24mL of methanol with a graduated cylinder and pipette 1.8mL of ammonia water (concentration: 26wt%) into the above beaker, and continue stirring for 10min to obtain a mixed solution I;
[0055] 2) Weigh 11 mg of Cs with an electronic balance 2 CO 3 In a 25mL beaker, use a measuring cylinder to measure 3mL of methanol and 13.2mL of tetraethyl orthosilicate (TEOS) in the above beaker, stir well until Cs 2 CO 3 Dissolve completely to obtain mixed liquid II;
[0056] 3) Under magnetic stirring, slowly drop the mixed solution II prepared in step 2) into the mixed solution I prepared in step 1) with a rubber dropper, and continue to stir and react for 0.5 h;
[0057] 4) While stirring, slowly add 12 mL of hexamethyldisilazane (H...
PUM
Abstract
Description
Claims
Application Information
- R&D Engineer
- R&D Manager
- IP Professional
- Industry Leading Data Capabilities
- Powerful AI technology
- Patent DNA Extraction
Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.
© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com