NDLI: Interface dipole enhancement effect and enhanced Rayleigh scattering

Content Provider	Springer Nature Link
Author	Wu, Wenyun Yue, Jingying Li, Dongqi Lin, Xiaoyang Zhu, Fangqiang Yin, Xue Zhu, Jun Dai, Xingcan Liu, Peng Wei, Yang Wang, Jiaping Yang, Haitao Zhang, Lina Li, Qunqing Fan, Shoushan Jiang, Kaili
Copyright Year	2015
Abstract	The optical effect of a nanometer or sub-nanometer interfacial layer of condensed molecules surrounding individual nanomaterials such as single-walled carbon nanotubes (SWCNTs) has been studied theoretically and experimentally. This interfacial layer, when illuminated by light, behaves as an optical dipole lattice and contributes an instantaneous near field which enhances the local field on neighboring atoms, molecules, or nanomaterials, which in turn may lead to enhanced Rayleigh scattering, Raman scattering, and fluorescence. The theory of this interface dipole enhanced effect (IDEE) predicts that a smaller distance between the nanomaterials and the plane of the interfacial layer, or a larger ratio of the dielectric constants of the interfacial layer to the surrounding medium, will result in a larger field enhancement factor. This prediction is further experimentally verified by several implementations of enhanced Rayleigh scattering of SWCNTs as well as in situ Rayleigh scattering of gradually charged SWCNTs. The interface dipole enhanced Rayleigh scattering not only enables true-color real-time imaging of nanomaterials, but also provides an effective means to peer into the subtle interfacial phenomena.
Starting Page	303
Ending Page	319
Page Count	17
File Format	PDF
ISSN	19980124
Journal	Nano Research
Volume Number	8
Issue Number	1
e-ISSN	19980000
Language	English
Publisher	Tsinghua University Press
Publisher Date	2014-12-29
Publisher Place	Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	interface dipole enhancement dielectric sphere near filed nanomaterials carbon nanotubes Rayleigh scattering Nanotechnology Materials Science Atomic/Molecular Structure and Spectra Condensed Matter Physics Biotechnology Biomedicine general
Content Type	Text
Resource Type	Article
Subject	Nanoscience and Nanotechnology Atomic and Molecular Physics, and Optics Condensed Matter Physics Electrical and Electronic Engineering

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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