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Second Harmonic Generation from Coupled Surface‐Plasmon Resonances in Self‐Assembled Gold‐Nanoparticle Monolayers Coated with an Aminosilane
Author(s) -
Hayakawa T.,
Usui Y.,
Bharathi S.,
Nogami M.
Publication year - 2004
Publication title -
advanced materials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 10.707
H-Index - 527
eISSN - 1521-4095
pISSN - 0935-9648
DOI - 10.1002/adma.200306463
Subject(s) - materials science , monolayer , nanoparticle , surface plasmon resonance , colloidal gold , nanotechnology , second harmonic generation , polarization (electrochemistry) , plasmon , colloid , surface plasmon , substrate (aquarium) , localized surface plasmon , self assembly , optoelectronics , optics , chemical engineering , chemistry , laser , physics , oceanography , engineering , geology
A uniform, monolayer‐thick array of Au nanoparticles are produced on an aminopropylthrimethoxysilane‐modified glass substrate by simple immersion of the substrate in the sol for 1 h (see AFM image, Figure). Longer immersion causes the nanoparticles to form colloidal domain structures, which induce a second‐order polarization of light.