Microwave radiation synthesis method for Au-loaded carbon nanoparticles
A technology of nano-carbon particles and microwave radiation, which is applied in the field of preparation of nano-carbon particles, can solve the problem that the research is still in its infancy, the morphology, yield and quality of nano-carbon particles are difficult to achieve precise control, and large-scale simple synthesis cannot be achieved. problem, to achieve the effect of less environmental pollution
Active Publication Date: 2015-05-06
GUIPING PRODIVITY PROMOTION CENT
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Problems solved by technology
Each of these synthesis methods has certain deficiencies. The morphology, yield and quality of carbon nanoparticles are difficult to achieve precise control, and large-scale simple synthesis cannot be achieved.
There is also a lack of discussion on its growth mechanism, especially due to the limitations of synthetic methods, the research on its application is still in its infancy
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[0026] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be described in further detail below in conjunction with specific embodiments and with reference to the accompanying drawings.
[0027] Any feature disclosed in this specification, unless specifically stated, can be replaced by other alternative features that are equivalent or have similar purposes. That is, unless expressly stated otherwise, each feature is one example only of a series of equivalent or similar features.
[0028] A kind of method for the nano carbon particle of loading Au synthesized by microwave radiation, the preparation method is as follows: get 1g graphite, put into 5M, 150ml H 5 PW 10 V 2 o 40 In a three-neck flask, set up a reflux device. Stir at room temperature for 24h, then reflux at 140°C for 24h in a boiling state. After the three-neck flask was cooled to normal temperature, the reflux liquid was introduced into a 5...
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Abstract
The invention discloses a microwave radiation synthesis method for Au-loaded carbon nanoparticles. The microwave radiation synthesis method comprises the following steps: taking graphite to put in a three-mouth flask loaded with H5PW10V2O40, setting a reflux unit, stirring, and then refluxing for 24 h under a boiling state at the temperature of 140 DEG C; cooling the three-mouth flask to room temperature, guiding reflux in a dialysis bag, and then permeating the dialysis bag in deionized water; adjusting the pH value of solution in the dialysis bag to be 6.5 after permeating; loading the solution in a centrifugal tube for centrifuging, then taking 5 ml of supernatant liquid, and diluting to 50 ml with deionized water; putting the solution obtained through dilution in a bottle with cooling water on the outer wall, frequently changing the cooling water on the outer wall to maintain the room temperature, completing a reduction process through microwave radiation, and adding 0.5 ml of 0.1 M HAuCl4.3H2O solution to the solution before the microwave radiation; drying suspension liquid obtained after the reaction is finished, so as to obtain the solid Au-loaded carbon nanoparticles. The microwave radiation synthesis method is more economical, convenient and environment-friendly.
Description
technical field [0001] The invention relates to a preparation method of nano carbon, in particular to a preparation method of Au-loaded nano carbon particles. Background technique [0002] Different carbon nanomaterials have different functions. For example, graphite nanocarbon particles have strong adsorption capacity and are easy to adsorb with tissue cells. This type of nanoparticle has good cytocompatibility and sensitization effect, and has great potential value in the field of cytology. As an emerging material, nanocarbon materials also play an important role in military and national defense; surface functionalized nanocarbon particles with gold or platinum coatings can be used as photoreductants to catalyze CO 2 Converted into hydrocarbons; fluorescent carbon nanoparticle not only has the advantages of good biocompatibility and easy surface functionalization, but also has the characteristics of realizing conversion of fluorescent emission and stable luminescence, so ...
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IPC IPC(8): B22F1/00B22F9/24
Inventor 金崇君王珊王科媛毛贤钧叶晨儿李婷
Owner GUIPING PRODIVITY PROMOTION CENT