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TRIFECTs SIGNED

Trions and sp3-Defects in Single-walled Carbon Nanotubes for Optoelectronics

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Project "TRIFECTs" data sheet

The following table provides information about the project.

Coordinator
RUPRECHT-KARLS-UNIVERSITAET HEIDELBERG 

Organization address
address: SEMINARSTRASSE 2
city: HEIDELBERG
postcode: 69117
website: www.uni-heidelberg.de

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 Germany [DE]
 Total cost 1˙998˙500 €
 EC max contribution 1˙998˙500 € (100%)
 Programme 1. H2020-EU.1.1. (EXCELLENT SCIENCE - European Research Council (ERC))
 Code Call ERC-2018-COG
 Funding Scheme ERC-COG
 Starting year 2019
 Duration (year-month-day) from 2019-04-01   to  2024-03-31

 Partnership

Take a look of project's partnership.

# participants  country  role  EC contrib. [€] 
1    RUPRECHT-KARLS-UNIVERSITAET HEIDELBERG DE (HEIDELBERG) coordinator 1˙998˙500.00

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 Project objective

Semiconducting single-walled carbon nanotubes (SWNTs) combine solution-processability, large carrier mobilities, narrow emission linewidths and environmental stability for optoelectronic devices with light-emission in the near-infrared (800-1800 nm, e.g., for optical data communication and bio-imaging) when sorted by (n,m) species. The recent availability of highly pure, monochiral semiconducting SWNTs as bulk materials allows us to employ and further tailor their charge transport and light emission properties and thus enables their application in practical devices. Two new emissive species - charged excitons (trions) and bright sp3-defects - were recently discovered in SWNTs and have fundamentally changed our notions about SWNT luminescence. Both show red-shifted, narrow and enhanced emission. However, very little is yet known about their photophysical properties and especially their interactions with each other and their environment (e.g., in devices). Their emissive properties could potentially be tailored by external magnetic fields, dielectric environment and additional functional groups. Strong light-matter coupling in suitable optical cavities could be applied to create trion-polaritons in SWNTs as new low-mass charge carriers in polaritonic devices. Trions and emissive sp3-defects are not limited to SWNTs and hence these concepts could be transferred and applied to other low-dimensional semiconductors.

The goals of this project are to - understand and use trions and trion-polaritons for light emission and polaritonic charge transport, - understand and tune the interactions of sp3-defects with charges and trions in SWNTs, - modify and apply sp3-defects for enhanced light emission from SWNTs in optoelectronic devices, - explore trions in new low-dimensional materials (e.g., graphene nanoribbons and novel monolayered semiconductors).

 Publications

year authors and title journal last update
List of publications.
2020 Nicolas F. Zorn, Francesca Scuratti, Felix J. Berger, Andrea Perinot, Daniel Heimfarth, Mario Caironi, Jana Zaumseil
Probing Mobile Charge Carriers in Semiconducting Carbon Nanotube Networks by Charge Modulation Spectroscopy
published pages: 2412-2423, ISSN: 1936-0851, DOI: 10.1021/acsnano.9b09761
ACS Nano 14/2 2020-03-05
2019 Felix J. Berger, Jan Lüttgens, Tim Nowack, Tobias Kutsch, Sebastian Lindenthal, Lucas Kistner, Christine C. Müller, Lukas M. Bongartz, Victoria A. Lumsargis, Yuriy Zakharko, Jana Zaumseil
Brightening of Long, Polymer-Wrapped Carbon Nanotubes by sp 3 Functionalization in Organic Solvents
published pages: 9259-9269, ISSN: 1936-0851, DOI: 10.1021/acsnano.9b03792
ACS Nano 13/8 2020-01-28

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