Chiral Plasmonics Using Twisting along Cellulose Nanocrystals as a Template for Gold Nanoparticles

Majoinen, Johanna; Hassinen, Jukka; Haataja, Johannes S.; Rekola, Heikki T.; Kontturi, Eero; Kostiainen, Mauri A.; Ras, Robin H A; Törmä, Päivi; Ikkala, Olli

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Chiral Plasmonics Using Twisting along Cellulose Nanocrystals as a Template for Gold Nanoparticles

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Title:	Chiral Plasmonics Using Twisting along Cellulose Nanocrystals as a Template for Gold Nanoparticles
Author(s):	Majoinen, Johanna ; Hassinen, Jukka ; Haataja, Johannes S. ; Rekola, Heikki T. ; Kontturi, Eero ; Kostiainen, Mauri A. ; Ras, Robin H A ; Törmä, Päivi ; Ikkala, Olli
Date:	2016-07-13
Language:	en
Pages:	5262–5267
Department:	Department of Applied Physics Department of Forest Products Technology Department of Biotechnology and Chemical Technology Department of Bioproducts and Biosystems Department of Chemical and Metallurgical Engineering
Series:	ADVANCED MATERIALS, Volume 28, issue 26
ISSN:	0935-9648 1521-4095
DOI-number:	10.1002/adma.201600940
Keywords:	Cellulose nanocrystals, Chiral plasmonics, Colloidal dispersions, Templated nanoparticles, Twisted nanorods
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Citation: Majoinen , J , Hassinen , J , Haataja , J S , Rekola , H T , Kontturi , E , Kostiainen , M A , Ras , R H A , Törmä , P & Ikkala , O 2016 , ' Chiral Plasmonics Using Twisting along Cellulose Nanocrystals as a Template for Gold Nanoparticles ' , Advanced Materials , vol. 28 , no. 26 , pp. 5262–5267 . https://doi.org/10.1002/adma.201600940
Abstract: The right-handed twist along aqueous dispersed cellulose nanocrystals allows right-handed chiral plasmonics upon electrostatic binding of gold nanoparticles in dilute environment, upon tuning the particle sizes and concentrations. Simulations using nanoparticle coordinates from cryo-electron tomography confirm the experimental results. The finding suggests generalization for other chiral and helical colloidal templates for nanoscale chiral plasmonics.

Permanent link to this item: http://urn.fi/URN:NBN:fi:aalto-201705315111 Email this Export to RefWorks QR Code Print BibTex Tweet