Core-shell Mn:ZnO/Mn:ZnS diluted magnetic semiconductor heterogenous nano material and preparation method thereof
A technology of dilute magnetic semiconductors and nanomaterials, applied in the direction of nanotechnology, nanotechnology, nanotechnology for materials and surface science, etc., can solve the difficulty of adjusting the intensity and position of luminescence peaks, the difficulty of controlling the type and density, and limiting applications, etc. problems, to achieve the effects of easy control of shell thickness, easy control of doping concentration, and low preparation cost
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Image
Examples
Embodiment 1
[0033] Apply the preparation method provided by the present invention to prepare core-shell type Mn:ZnO / Mn:ZnS dilute magnetic semiconductor heterogeneous nanomaterials, the specific steps are as follows:
[0034] (1) Preparation of Mn:ZnO nanorods:
[0035] First prepare the dehydrated ethanol solution of zinc salt and manganese salt: weigh 80mL dehydrated ethanol, Zn(CH 3 COO) 2 2H 2 The concentration of O is 0.05mol / L, Mn(CH 3 COO) 2 4H 2 The concentration of O is 0.0015mol / L; magnetically stir the above ethanol solution at room temperature until the zinc salt and manganese salt are completely dissolved, then slowly add 40mL 0.5mol / L NaOH absolute ethanol solution (PH value 11-12) dropwise into the solution ;Continue to stir for 20-30min, produce precipitation to form turbid liquid, transfer this turbid liquid into a stainless steel reaction kettle with a polytetrafluoroethylene liner (filling degree is 80%); seal the reaction kettle and place it in an oven, heat To 1...
Embodiment 2
[0039] Apply the preparation method provided by the present invention to prepare core-shell type Mn:ZnO / Mn:ZnS dilute magnetic semiconductor heterogeneous nanomaterials, the specific steps are as follows:
[0040] (1) Preparation of Mn:ZnO nanorods:
[0041] First prepare the dehydrated ethanol solution of zinc salt and manganese salt: weigh 90mL dehydrated ethanol, Zn(NO 3 ) 2 ·6H 2 The concentration of O is 0.05mol / L, Mn(NO 3 ) 2 4H 2 The concentration of O is 0.0005mol / L; magnetically stir at room temperature until it is completely dissolved, then slowly add 45mL of 0.8mol / L NaOH absolute ethanol solution (PH value 12-13) dropwise into the solution; keep stirring for 20-30min, and a precipitate occurs The turbid liquid is formed, and the turbid liquid is transferred into a stainless steel reaction kettle with a polytetrafluoroethylene liner (the filling degree is 90%); the reaction kettle is sealed and placed in an oven, heated to 150°C, and kept for 18 hours; The rea...
Embodiment 3
[0046] Apply the preparation method provided by the present invention to prepare core-shell type Mn:ZnO / Mn:ZnS dilute magnetic semiconductor heterogeneous nanomaterials, the specific steps are as follows:
[0047] (1) Preparation of Mn:ZnO nanorods:
[0048] First prepare the absolute ethanol solution of zinc salt and manganese salt: weigh 70mL of absolute ethanol, ZnCl in the prepared ethanol solution 2 The concentration is 0.07mol / L, MnCl 2 The concentration of NaOH is 0.0035mol / L; stir magnetically at room temperature until it is completely dissolved, then slowly add 35mL of 0.6mol / L NaOH absolute ethanol solution (PH value 10-11) dropwise into the solution; keep stirring for 20-30min, and a precipitate forms Turbid liquid; transfer this turbid liquid into a stainless steel reaction kettle with a polytetrafluoroethylene liner (the filling degree is 70%); seal the reaction kettle and place it in an oven, heat it to 120°C, and keep it warm for 12 hours; wait for the reaction...
PUM
Property | Measurement | Unit |
---|---|---|
Curie temperature | aaaaa | aaaaa |
Length | aaaaa | aaaaa |
Diameter | aaaaa | aaaaa |
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