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[交流]
碳量子點
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有木有在做碳量子點的,按著文獻里面做了。可是去拍SEM卻發(fā)現(xiàn)根本就不是想象中的球,而是像C3N4那樣的大塊子,本來還在祈禱做出來的尺寸不要太大,結(jié)果卻這么不盡人意,有幾個問題想要跟萬能的蟲友交流一下。 1.用蔗糖和磷酸微波法做出來(1 g sucrose was placed in a 250 mL beaker and dissolved in the minimum volume (4 mL) of water. 20 mL ofortho-phosphoric acid (88%) was then mixed with the above clear solution followed by heating in a microwave oven at 100 W for 3 min 40 s.)的離心有哪些要求呢? 2.又或者我們還按照Firstly, 2g glucose and 10 ml PEG-200 were dissolved into 3 ml distilled water to form a clear solution. Then the solution was put into a domestic microwave oven for different time periods. Finally the color-changed solutions were purified and diluted with wate這個方法做的顏色并沒有With time, the solution changed from colorless to yellow (sample A) and finally to dark brown (sample B), which implied the formation of CNPs發(fā)生文中所說的變化。 希望過來人能夠交流指導,感激不盡! |


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