Formation of Ag Nanostrings Induced by Lyotropic Liquid-Crystalline Phospholipid Multilayer

Title
Formation of Ag Nanostrings Induced by Lyotropic Liquid-Crystalline Phospholipid Multilayer
Authors
Suk J. KimHyeun H. AnSeung J. LeeJong H. LeeYoung H. KimChong S. Yoon서상희
Issue Date
2012-01
Publisher
Langmuir
Citation
VOL 28, NO 1, 259-263
Abstract
Morphological variation of the Ag nanoparticles embedded in a lyotropic phospholipid (1,2-dioleoyl-sn-glycero-3-phosphoethanolamine, DOPE) membrane during hydration was investigated. Hydration at 5 C resulted in transformation of the Ag nanoparticles into a bundle of Ag nanostrings as the Ag nanoparticles conformed to the HII phase of the DOPE molecules. Above 30 C, the nanoparticles quickly coarsened into large polygonal-shaped particles since high mobility of the lipid molecules overwhelmed the tendency for the Ag nanoparticles to order. The result provided an insight into the longterm stability of nanoparticles trapped in different lipid membranes depending on the structural ordering of the molecules.
URI
http://pubs.kist.re.kr/handle/201004/41997
ISSN
07437463
Appears in Collections:
KIST Publication > Article
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