利用化學還原法製備核殼型銅錫奈米粒子之研究

Synthesis of Core-Shell Cu-Sn Nanoparticles by Chemical Reduction Method

龍順文(Shung-Wen Long)

指導教授 ： 鄭俊麟

中原大學/工學院/化學工程研究所/碩士(2010年)

https://doi.org/10.6840/cycu201000330

摘要

本研究係以氯化銅及氯化錫作為前驅鹽，並以四乙基硼氫化銨為
還原劑，利用化學還原法以逐步還原的方式製備核殼型銅錫奈米粒
子。文中將先探討製備奈米銅之最適化條件，再進行核殼型銅錫奈米
粒子製備之實驗。實驗所得到之產物以粒徑分析儀、超高解析真空場
發射式掃描電子顯微鏡、高解析穿透式電子顯微鏡觀察粒子粒徑與表
面／剖面形態，並利用紫外光-可見光光譜儀觀察粒子之光學性質，
最後以X 射線粉末繞射儀、X 光能量分散光譜儀及X 射線光電子能
譜儀量測粒子晶相與組成元素。
根據研究結果顯示，適當控制還原劑與前驅鹽的濃度，便能在室
溫下製備出粒徑約30～40 nm 之核殼型銅錫奈米粒子，且不需加入任
何的分散劑與保護劑，便能使粒子均勻地分散在介質中。

關鍵字

化學還原法 ； 核殼型雙金屬奈米粒子

並列摘要

In this study, we use copper(II) chloride and tin(II) chloride as
precursors and tetraethylammonim borohydride as a reduction agent to
prepare copper-tin core shell nanoparticles. Copper-tin core shell
bimetallic nanoparticles were formed with a novel reduction agent, and
were characterization by DLS, UHR-SEM, HR-TEM, XRD, EDS, XPS,
and UV-Vis analyses.
Based on our results, copper-tin core shell nanoparticles could be
generated by step by step solution phase reduction under properly
adjusting concentrations of precursors and reducing agent. The size of
copper-tin core shell particles are measured to be about 30-40 nm. The
core shell nanoparticles are determined to be homogeneously dispersed in
the solution without addition of steric stabling agents.

並列關鍵字

core shell bimetallic nanoparticles ； chemical reduction

參考文獻

J. Am. Chem. Soc., 119, 7019, 1997.

[5] R. H. Morriss and L. F. Collins, J. Chem. Phys., 41, 3357, 1964.

and S. Xie, Langmuir, 24, 3465, 2007.

[9] J. B. Jackson and N. J. Halas, J. Phys. Chem. B, 105, 2743, 2001.

[12] D. Gan and L. A. Lyon, J. Am. Chem. Soc. 123, 7511, 2001.