Issue 42, 2011
From the journal:

Journal of Materials Chemistry

Nanoparticle chain formation on functional surfaces using insulin fibrils as a structure directing agent

Chiung-wen Hsieha  and  Shuchen Hsieh*a  

* Corresponding authors

a National Sun Yat-sen University, 70 Lien-hai Rd., Kaohsiung, Taiwan, ROC
E-mail: shsieh@facmail.nsysu.edu.tw
Fax: +88675253908
Tel: +88675252000x3931

Abstract

Nanoparticles exhibit unique size-dependent physical and chemical properties which may be further modified by controlling their spatial arrangement. For example, when metallic nanoparticles are placed sufficiently close together, near-field coupling between surface plasmons occurs which can lead to enhancement. In this report, insulin fibrils were used as a structure directing agent to attach Au nanoparticles to wafer-grade polished glass and ITO substrates, and to attach Au and CdSe nanoparticles to PDMS substrates. The nanoparticles adhered preferentially to the insulin fibrilsvia electrostatic interactions. This method provides a general approach for aligning nanoparticles into chains on functional surfaces for applications such as optical waveguides.

Graphical abstract: Nanoparticle chain formation on functional surfaces using insulin fibrils as a structure directing agent

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Article information

DOI
https://doi.org/10.1039/C1JM10136F
Article type
Paper
Submitted
10 Jan 2011
Accepted
01 Mar 2011
First published
26 Mar 2011

J. Mater. Chem., 2011,21, 16900-16904

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Nanoparticle chain formation on functional surfaces using insulin fibrils as a structure directing agent

C. Hsieh and S. Hsieh, J. Mater. Chem., 2011, 21, 16900 DOI: 10.1039/C1JM10136F

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