PHOTONANOFLUIDIX

Self-assembly of confined colloidal objects for the study of nano-optic phenomena

Coordinatore	EIDGENOESSISCHE TECHNISCHE HOCHSCHULE ZURICH    more  Organization address address: Raemistrasse 101 city: ZUERICH postcode: 8092 contact info Titolo: Prof. Nome: Vahid Cognome: Sandoghdar Email: send email Telefono: +41 44 6334621 Fax: +41 44 633 13 16
Nazionalità Coordinatore	Switzerland [CH]
Totale costo	250˙701 €
EC contributo	250˙701 €
Programma	FP7-PEOPLE Specific programme "People" implementing the Seventh Framework Programme of the European Community for research, technological development and demonstration activities (2007 to 2013)
Code Call	FP7-PEOPLE-IEF-2008
Funding Scheme	MC-IEF
Anno di inizio	2009
Periodo (anno-mese-giorno)	2009-05-01   -   2011-04-30

 Partecipanti

#	participant	country	role	EC contrib. [€]
1	EIDGENOESSISCHE TECHNISCHE HOCHSCHULE ZURICH  Organization address address: Raemistrasse 101 city: ZUERICH postcode: 8092 contact info Titolo: Prof. Nome: Vahid Cognome: Sandoghdar Email: send email Telefono: +41 44 6334621 Fax: +41 44 633 13 16	CH (ZUERICH)	coordinator	250˙701.34

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 Obiettivo del progetto (Objective)

'We have demonstrated the presence of attractive interactions arising in low ionic strength solution between charged soft-matter objects and highly curved regions of like-charged confining surfaces. These unexpected interactions result in stretching of DNA and trapping of colloidal particles in solution in a nanofluidic slit. This proposal seeks to further understand the attractive interactions arising between colloidal objects and like-charged confining walls in low-ionic-strength solution, in order to better control the underlying self-assembly process. The controlled self-assembly of arrays or arbitrary arrangements of discrete charged metal or dielectric nano-objects will permit the investigation of plasmonic and photonic phenomena in two dimensions, e.g., plasmonic coupling of resonantly excited metal nanoparticles, modification of fluorescence emission of single emitters diffusing in solution very close to discrete metal nano-objects, realization of novel ordered and disordered arrangements of nano-objects (e.g. dielectric particles like TiO2) for studying light scattering phenomena in two dimensions. One of the chief advantages of the self-assembly technique described here over conventional fabrication techniques is that the substrate surface structure which directs self-assembly of the optically active element acts as a “rewritable surface” enabling the investigation of the plasmonic and photonic properties of ensembles of particles of similar surface charge but variable dielectric properties.'