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Preparation of Dppe-Stabilized Gold Nanoparticles

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Keenan E. Dungey , David P. Muller and Tammy Gunter

Chemistry Program, University of Illinois at Springfield, Springfield, IL 62703-5407

J. Chem. Educ., 2005, 82 (5), p 769

DOI: 10.1021/ed082p769

Publication Date (Web): May 1, 2005

Section:

History, Education, and Documentation

Abstract

This laboratory experiment is designed to give upper-level undergraduate students experience in nanotechnology by synthesizing and characterizing gold nanoparticles. The two-to-four week project begins with the synthesis of the ligand, 1,2-bis(diphenylphosphino)ethane (dppe). Students then use the dppe to prepare gold nanoparticles. The products are analyzed by IR and NMR spectroscopies and comparisons are made between the bound and unbound ligand. The gold nanoparticles are further characterized by UV–vis spectroscopy and transmission electron microscopy.

Keywords (Audience):

Second-Year Undergraduate

Keywords (Domain):

Inorganic Chemistry

Keywords (Pedagogy):

Hands-On Learning / Manipulatives

Keywords (Subject):

Synthesis

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