期刊
ACS NANO
卷 3, 期 4, 页码 971-983出版社
AMER CHEMICAL SOC
DOI: 10.1021/nn900037k
关键词
gold nanorods; lipid bilayer; surface modification; self-assembly; nanocomposites
类别
资金
- Department of Energy's Office of Basic Science
- United States Department of Energy's National Nuclear Security Administration [DE-AC04-94AL85000]
Phospholipids comprise an enormous range of chemical structures that provide much of the functionality associated with cellular membranes. We have developed a simple method for incorporating phospholipids onto the surfaces of anisotropic gold nanorods as a stepping-stone for creating responsive and multifunctional nanocomposites. In this report, we demonstrate how phospholipids can be used to control the self-assembly of gold nanorods into agglomerate architectures ranging from open end-to-end networks to densely packed side-to-side arrays. The results indicate that lipid-gold nanorod assembly is governed by the tuning of electrostatic interactions within the phospholipid layers as well as by how the phospholipid layers organize themselves around anisotropic nanorod surfaces.
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