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SCEL-TA SIGNED

Surfactant controlled Cation Exchange Lithography - Towards Application

Total Cost €

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EC-Contrib. €

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Partnership

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Project "SCEL-TA" data sheet

The following table provides information about the project.

Coordinator
FONDAZIONE ISTITUTO ITALIANO DI TECNOLOGIA 

Organization address
address: VIA MOREGO 30
city: GENOVA
postcode: 16163
website: www.iit.it

contact info
title: n.a.
name: n.a.
surname: n.a.
function: n.a.
email: n.a.
telephone: n.a.
fax: n.a.

 Coordinator Country Italy [IT]
 Total cost 168˙277 €
 EC max contribution 168˙277 € (100%)
 Programme 1. H2020-EU.1.3.2. (Nurturing excellence by means of cross-border and cross-sector mobility)
 Code Call H2020-MSCA-IF-2014
 Funding Scheme MSCA-IF-EF-ST
 Starting year 2015
 Duration (year-month-day) from 2015-09-01   to  2017-08-31

 Partnership

Take a look of project's partnership.

# participants  country  role  EC contrib. [€] 
1    FONDAZIONE ISTITUTO ITALIANO DI TECNOLOGIA IT (GENOVA) coordinator 168˙277.00

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 Project objective

A novel lithography technique, the Surfactant-controlled Cation Exchange Lithography (SCEL) will be explored. The underlying mechanism, the Cation Exchange (CE), stems from the colloidal synthesis of nanocrystals (NCs). It allows for the transformation of the chemical composition of readily prepared NCs by exchanging their cation sublattice without changing their morphology.

The SCEL relies on the selective inhibition of the CE in NCs that have been exposed to a high-energy radiation, e.g. in an e-beam lithography step or by UV-light. It has been shown that the radiation induces a cross-linking of the surfactants, which then, when exposed to a solution of suitable cations, form an impermeable shell for the cations and thus inhibit the reaction. In the proposed SCEL the cation exchange will be carried out on thin films of NCs (mostly CdS or CdSe), which are then partially transformed into CuXS or CuXSe, respectively.

We will investigate on the limits of the SCEL as a competitive lithography method in terms for the production of devices with colloidal nanocrystals as functional elements. Ideally, we will be able to controllably address a small number of NCs by transforming their neighbours into conductive material. The research comprises a study on the mechanism of inhibition of the cation exchange after irradiation and a study on the dynamics of the CE in individual nanocrystals.

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The information about "SCEL-TA" are provided by the European Opendata Portal: CORDIS opendata.

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