Supra spin-selection SIGNED
Spin-Selection using Chirality: A Supramolecular Approach
Total Cost €
0EC-Contrib. €
0Partnership
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Project "Supra spin-selection" data sheet
The following table provides information about the project.
| Coordinator |
TECHNISCHE UNIVERSITEIT EINDHOVEN
Organization address contact info |
| 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.
| # | ||||
|---|---|---|---|---|
| 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 |
|---|---|---|---|
| 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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