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Method for shape controlling of gold nano material
Method for shape controlling of gold nano material
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机译:金纳米材料的形状控制方法
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摘要
A method for controlling the shape of gold nanoparticles is provided to adjust the shape of gold nanoparticles on demand by controlling the irradiation rate and irradiation time of proton beams. A method for controlling the shape of gold nanoparticles comprises the following steps of: mixing gold salt, cetyltrimethylammonium bromide and sodium hydroxide as a mixed solution; and irradiating the mixed solution with proton beams with 1.5~15 Gy/s of irradiation rate for 5-100 minutes. The concentration of the cetyltrimethylammonium bromide in the mixed solution is less than critical micelle concentration. The gold salt is selected from the group consisting of potassium chloroaurate(KAuCl4), sodium chloroaurate(NaAuCl4), chloroauric acid(HAuCl4), sodium tetrabromoaurate(NaAuBr4), auric chloride(AuCl), gold(III) chloride(AuCl3) and gold bromide(AuBr3).
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