本篇文章主要是在探討由鹵素離子誘導伽凡尼電置換反應的發生，探討在合成銀釕奈米籠時，氯離子在伽凡尼電置換反應中扮演的角色。我們利用兩種不同的釕金屬前驅物，[分別為三氯化釕RuCl3及乙酰丙酮釕Ru(acac)3]，以銀奈米立方體作為模板來進行銀釕奈米籠的合成，發現只有三氯化釕( RuCl3) 能順利進行伽凡尼電置換反應，並產生銀釕奈米籠，若以乙酰丙酮釕Ru(acac)3 反應則產物為銀-釕核殼結構奈米立方體。此外，若在以乙酰丙酮釕Ru(acac)3 作為金屬前驅物時添加鹵素離子，我們發現伽凡尼電置換反應亦會發生，並產生銀釕奈米籠。

This research aimed to explore the role of chloride in the galvanic replacement reaction for synthesizing Ag-Ru nanocages. Two different ruthenium metal precursors (e.g. RuCl3 and Ru (acac)3) were used to synthesize Ag-Ru nanocages by using Ag nanocubes as templates. We found that the galvanic replacement reaction only occurred when using RuCl3 as the precursor, and forming the product of Ag-Ru nanocages. While using Ru(acac)3 as the precursor, Ag@Ru core@shell nanocubes were obtained. In addition, we found that the galvanic replacement reaction could be induced when using Ru(acac)3 as the precursor by adding halogen ions into the reaction. eventually occur the galvanic replacement reaction. In this case, Ag-Ru nanocages could also be obtained.

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