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Supra spin-selection SIGNED

Spin-Selection using Chirality: A Supramolecular Approach

Total Cost €

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EC-Contrib. €

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Partnership

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 Supra spin-selection project word cloud

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Project "Supra spin-selection" data sheet

The following table provides information about the project.

Coordinator
TECHNISCHE UNIVERSITEIT EINDHOVEN 

Organization address
address: GROENE LOPER 3
city: EINDHOVEN
postcode: 5612 AE
website: www.tue.nl/en

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 Netherlands [NL]
 Project website http://www.meijerlab.nl/
 Total cost 177˙598 €
 EC max contribution 177˙598 € (100%)
 Programme 1. H2020-EU.1.3.2. (Nurturing excellence by means of cross-border and cross-sector mobility)
 Code Call H2020-MSCA-IF-2015
 Funding Scheme MSCA-IF-EF-ST
 Starting year 2016
 Duration (year-month-day) from 2016-03-01   to  2018-02-28

 Partnership

Take a look of project's partnership.

# participants  country  role  EC contrib. [€] 
1    TECHNISCHE UNIVERSITEIT EINDHOVEN NL (EINDHOVEN) coordinator 177˙598.00

Map

 Project objective

Organic electronics which exploits charges (electrons or holes) of π-conjugated molecules/polymers has garnered attention in the past decade due to the low cost, ease of processability and most importantly the flexibility to tune the electronic properties through chemical synthesis. In addition to charge, spin as a quantum number provides exciting opportunities to store data in memory devices, in spin filters and spin-based organic light-emitting diodes. Typically in spintronic devices, switching of the magnetism of one of the ferromagnetic layers is required to attain spin-selectivity. Recent works have demonstrated high (>60%) spin-selectivity in organized chiral double-stranded deoxyribonucleic acid (DNA) without the use of magnetic materials. The high spin-selectivity was attributed to the creation of chiral field in which the electron-transport takes place through DNAs. It is to be noted that the organization of DNA strands is pivotal in achieving high spin-selectivity. Presently, the main focus is on bio-inspired molecules such as peptides and DNAs. Due to the versatility and processability of organic semiconductors, they are ideal candidates for obtaining chiral electron flow leading to functional organic spintronic devices without ferromagnets. Thus the present proposal aims at design, synthesis and characterization of chiral π-conjugated oligomers and polymers with ordered supramolecular organization on surfaces as testbeds for spin-selective electron transport. Chiral fluorene oligomers/polymers are known to form cholesteric liquid crystal phases on surfaces. Based on this, our design includes chiral fluorene based oligomers and polymers attached with pendant acid groups to anchor on surfaces to obtain chiral supramolecular organization desired for the electron-transport. This project will be the first demonstration of chiral-spin selectivity in synthetic self-assembled structures and will pave way for a plethora of spin-based applications.

 Publications

year authors and title journal last update
List of publications.
2017 Chidambar Kulkarni, Peter A. Korevaar, Karteek K. Bejagam, Anja R. A. Palmans, E. W. Meijer, Subi J. George
Solvent Clathrate Driven Dynamic Stereomutation of a Supramolecular Polymer with Molecular Pockets
published pages: 13867-13875, ISSN: 0002-7863, DOI: 10.1021/jacs.7b07639
Journal of the American Chemical Society 139/39 2019-06-13
2017 Daniele Di Nuzzo, Chidambar Kulkarni, Baodan Zhao, Eilam Smolinsky, Francesco Tassinari, Stefan C. J. Meskers, Ron Naaman, E. W. Meijer, Richard H. Friend
High Circular Polarization of Electroluminescence Achieved via Self-Assembly of a Light-Emitting Chiral Conjugated Polymer into Multidomain Cholesteric Films
published pages: 12713-12722, ISSN: 1936-0851, DOI: 10.1021/acsnano.7b07390
ACS Nano 11/12 2019-06-13
2017 Chidambar Kulkarni, Daniele Di Nuzzo, E.W. Meijer, Stefan C.J. Meskers
Pitch and Handedness of the Cholesteric Order in Films of a Chiral Alternating Fluorene Copolymer
published pages: 11520-11527, ISSN: 1520-6106, DOI: 10.1021/acs.jpcb.7b10236
The Journal of Physical Chemistry B 121/51 2019-06-13
2017 Chidambar Kulkarni, E. W. Meijer, Anja R. A. Palmans
Cooperativity Scale: A Structure–Mechanism Correlation in the Self-Assembly of Benzene-1,3,5-tricarboxamides
published pages: 1928-1936, ISSN: 0001-4842, DOI: 10.1021/acs.accounts.7b00176
Accounts of Chemical Research 50/8 2019-06-13

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