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Highly Tunable Growth and Etching of Silica Shells on Surfactant‐Free Gold Nanostars
ChemNanoMat ( IF 3.8 ) Pub Date : 2019-09-19 , DOI: 10.1002/cnma.201900459
Supriya Atta 1 , Sylvie Rangan 2 , Laura Fabris 3
Affiliation  

Herein, we report an efficient method to coat gold nanostars with a silica shell of variable thickness and then tunably etch it by using a mild silica etching reagent, NaBH4. This method generates a novel type of nanostar coating in which silica only covers the core, leaving the tips variably exposed.

中文翻译:

无表面活性剂的金纳米星上硅壳的高度可调生长和蚀刻

在这里,我们报道了一种有效的方法,用可变厚度的二氧化硅壳包被金纳米星,然后通过使用温和的二氧化硅蚀刻剂NaBH 4对其进行可调谐地蚀刻。这种方法产生了一种新型的纳米星涂层,其中二氧化硅仅覆盖核,而使尖端可变地暴露。
更新日期:2019-09-19
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