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hanxiao242

银虫 (正式写手)

[交流] 【请教】有谁做过AU@SiO2?帮帮忙啊!

2ml*50nmAu Nps+10ml 异丙醇+0.15ml*30wt%氨水,加多少0.01M *TEOS?才能制取壳厚度约为10nm的AU@SiO2呢?
文献上都没提这个,有没有做过的指导一下啊?
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afa3206

木虫 (小有名气)

★
hanxiao242(金币+1): 2010-11-05 15:53:54
nuaajsh(金币+1):鼓励交流 2010-11-05 16:27:14
hanxiao242(金币+5): 2011-04-25 16:15:15
引用回帖:
Originally posted by hanxiao242 at 2010-11-05 14:57:00:
2ml*50nmAu Nps+10ml 异丙醇+0.15ml*30wt%氨水,加多少0.01M *TEOS?才能制取壳厚度约为10nm的AU@SiO2呢?
文献上都没提这个,有没有做过的指导一下啊?

They found that the addition of TEOS and water prior to ammonia to be critical to obtain a proper coating; and the silica shell thickness was varied from 30 to 90 nm for TEOS concentrations of 0.0005–0.02 M at 10.9 M of water and 0.4 M of ammonia. However, this method was still similar to the method proposed by Liz-Marzan and co-workers, and had not be used for coating the commercial gold nanoparticles
Journal of Non-Crystalline Solids 353 (2007) 1212–1215
2楼2010-11-05 15:34:57
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dazhi7758

至尊木虫 (著名写手)

hanxiao242(金币+4): 2011-04-25 16:15:20
自己试试不就行了

你金是什么修饰的啊,浓度多少啊
3楼2010-11-05 15:38:05
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hanxiao242

银虫 (正式写手)

frens合成的啊,表面柠檬酸三钠
4楼2010-11-05 15:43:51
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