Fluorescence Enhancement of Nanoraspberry Hot-spot Source Composed of Gold Nanoparticles and Aniline Oligomers

• KINOSHITA Takamasa

  Department of Applied Chemistry, Osaka Prefecture University

• NGUYEN Dung Quang

  Department of Applied Chemistry, Osaka Prefecture University

• NISHINO Tomoaki

  Department of Applied Chemistry, Osaka Prefecture University

• NAKAO Hidenobu

  National Institute for Materials Science

• SHIIGI Hiroshi

  Department of Applied Chemistry, Osaka Prefecture University

• NAGAOKA Tsutomu

  Department of Applied Chemistry, Osaka Prefecture University

Bibliographic Information

Other Title

• Fluorescent Enhancement of Nanoraspberry Hot-spot Source Composed of Gold Nanoparticles and Aniline Oligomers

Abstract

In this study, we examined raspberry-shaped organic/inorganic hybrid structure for potential development of a nanoantenna system capable of detecting and labeling biomolecules. The structure is characterized by a high density of gold nanoparticles (AuNPs) separated by closely packed aniline oligomers that serve as a linkage between adjacent particles. In particular, the structure was based on repeated sequences of AuNP-aniline oligomer-AuNP in a three-dimensional arrangement, which enabled the creation of optical hot spots that can hold multiple molecules. We examine the expression of such features by focusing on the structure and characteristics of the hybrid. We demonstrate that these optical hot spots enhance the dye fluorescence without quenching. As a result, we were able to create a nanoantenna structure enabling the efficient use of light.

Journal

• Analytical Sciences

  Analytical Sciences 31 (6), 487-493, 2015

  The Japan Society for Analytical Chemistry

Keywords

• Gold nanoparticles
• fluorescence enhancement
• hot-spot

Details

• CRID: 1390282679235707904
• NII Article ID: 130005075718
• NII Book ID: AA10500785
• DOI: 10.2116/analsci.31.487
• ISSN: 13482246
• ISSN: 09106340
• NDL BIB ID: 026440962
• PubMed: 26063010
• Web Site: http://id.ndl.go.jp/bib/026440962
• Web Site: https://ndlsearch.ndl.go.jp/books/R000000004-I026440962
• Web Site: https://link.springer.com/content/pdf/10.2116/analsci.31.487.pdf
• Web Site: https://link.springer.com/article/10.2116/analsci.31.487/fulltext.html
• Web Site: https://www.jstage.jst.go.jp/article/analsci/31/6/31_487/_pdf
• Text Lang: en
• Data Source:
  • JaLC
  • NDL
  • Crossref
  • PubMed
  • CiNii Articles
  • KAKEN
• Abstract License Flag: Disallowed