PEG (polyethylene glycol)-modified CuS (copper sulfide) hollow nanosphere and preparation method and application thereof
A nanosphere, hollow technology, applied in the direction of nanotechnology, nanotechnology, nanotechnology for materials and surface science, etc., can solve the problems of restricted application, poor stability, capacity loss, etc.
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Image
Examples
Embodiment 1
[0022] The concentration is 2mmol.L - 1 CuSO 4 Add the solution and a certain amount of PVP-K30 into the Erlenmeyer flask, place it on a magnetic stirrer and stir at room temperature to form solution A, add NaOH solution to solution A, and stir for 2 minutes to form solution B with a pH value of 9; The concentration of adding solution B is 0.1mol.L - 1 of N 2 h 4 ·H 2 O solution, Cu with a diameter of 70 nm was prepared after a 5-minute reaction 2 O nanospheres; the prepared Cu 2 O nanospheres are dispersed in a mixed solution of ethanol and PEG, and stirred in a three-neck flask; then, the content of sulfur element is added to the flask in an ethanol solution containing thiourea with a content of 0.025mol / L, and a rubber stopper is used to stop the flask mouth , pumped into argon for purification; then kept at 90°C for 60 minutes in an argon atmosphere, then degassed for 10 minutes, and finally kept at 180°C for one hour. The final product was washed in acetone and eth...
Embodiment 2
[0026] The concentration is 4mmol.L - 1 CuSO 4 Add the solution and a certain amount of PVP-K27 into the conical flask, place it on a magnetic stirrer and stir at room temperature to form solution A, add NaOH solution to solution A, and stir for 2 minutes to form solution B with a pH value of 9; The concentration of adding solution B is 0.2mol.L - 1 of N 2 h 4 ·H 2 O solution, Cu was prepared after a 5 min reaction 2 O nanospheres, Cu 2 The diameter range of O nanospheres is 100nm, and the prepared Cu 2 O nanospheres are dispersed in the mixed solution of ethanol and PEG, and stir in three-necked flask; Add the content of elemental sulfur in the flask and be the ethanol solution containing thiourea of 0.05mol / L, and stopper the flask mouth with rubber stopper, Purify by pumping in argon; then incubate at 90°C for 30 minutes in an argon atmosphere, then degas for 30 minutes, and finally hold at 220°C for one hour. The final product was washed in acetone and ethanol, a...
Embodiment 3
[0028] The concentration is 6mmol.L - 1 CuSO 4 Add the solution and a certain amount of PVP-K32 into the Erlenmeyer flask, place it on a magnetic stirrer and stir at room temperature, then add NaOH solution, and stir for 2 minutes to form a solution B with a pH value of 8.5; 0.3mol.L - 1 of N 2 h 4 ·H 2 O solution, after 5 minutes of reaction, a diameter of 120 nm Cu 2 O nanospheres; the prepared CuO nanospheres are dispersed in the mixed solution of ethanol and PEG, and stirred in a three-neck flask; the content of adding elemental sulfur in the flask is an ethanol solution containing 0.1mol / L of octylthiourea , and plugged the mouth of the flask with a rubber stopper, pumped in argon for purification; then kept at 95°C for 40 minutes in an argon atmosphere, then degassed for 10 minutes, and finally kept at 140°C for two hours. The final product was washed in acetone and ethanol, and centrifuged at 6000rpm for 5 minutes; and the alcohol washing step was repeated once, a...
PUM
| Property | Measurement | Unit |
|---|---|---|
| Concentration | aaaaa | aaaaa |
| Diameter | aaaaa | aaaaa |
| Outer diameter | aaaaa | aaaaa |
Abstract
Description
Claims
Application Information
Login to View More