Nanocomposite Films Assembled from Genetically Engineered Filamentous Viruses and Gold Nanoparticles: Nanoarchitecture‐ and Humidity‐Tunable Surface Plasmon Resonance Spectra

Nanocomposite films are prepared by layer‐by‐layer (LBL) assembly of cationic genetically engineered rodlike nontoxic viruses and anionic spherical Au nanoparticles. The cationic viruses electrostatically interact with the anionic Au nanoparticles to drive the LBL assembly. The nanocomposite films e...

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Bibliographic Details
Published in:Advanced materials (Weinheim) 2009-03, Vol.21 (9), p.1001-1005
Main Authors: Liu, Aihua, Abbineni, Gopal, Mao, Chuanbin
Format: Article
Language:English
Subjects:
Layer‐by‐layer assembly
Metal nanoparticles
Nanocomposites
Sensors
Surface plasmon resonance
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Summary:Nanocomposite films are prepared by layer‐by‐layer (LBL) assembly of cationic genetically engineered rodlike nontoxic viruses and anionic spherical Au nanoparticles. The cationic viruses electrostatically interact with the anionic Au nanoparticles to drive the LBL assembly. The nanocomposite films exhibit humidity‐dependent surface plasmon resonance spectra (see figure).
ISSN:0935-9648
1521-4095
DOI:10.1002/adma.200800777