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FASTQUANTUM SIGNED

Ultrafast Sepctroscopy of Quantum Structures

Total Cost €

0

EC-Contrib. €

0

Partnership

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Project "FASTQUANTUM" data sheet

The following table provides information about the project.

Coordinator
UNIVERSITAET HAMBURG 

Organization address
address: MITTELWEG 177
city: HAMBURG
postcode: 20148
website: http://www.uni-hamburg.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]
 Project website https://www.chemie.uni-hamburg.de/pc/mews/kipp/
 Total cost 164˙541 €
 EC max contribution 164˙541 € (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-GF
 Starting year 2015
 Duration (year-month-day) from 2015-08-19   to  2017-08-18

 Partnership

Take a look of project's partnership.

# participants  country  role  EC contrib. [€] 
1    UNIVERSITAET HAMBURG DE (HAMBURG) coordinator 164˙541.00
2    ROYAL INSTITUTION FOR THE ADVANCEMENT OF LEARNING MCGILL UNIVERSITY CA (MONTREAL) partner 0.00

Map

 Project objective

Nanoscopic or microscopic structures with their physical properties strongly affected by confinement effects are called quantum structures. This proposal aims for the investigation of ultrafast dynamics in different kinds of quantum structures, namely, semiconductor nanocrystals and metal nano¬particles, their combination to complex nanohybrids, nanowires, nanosheets, as well as nanoemitters in optical cavities. The high-quality quantum structures have been fabricated and already optically investigated by the applicant and his co-workers. These successful experiments delivered important results, but they did not allow for the investigation of the dynamics on a time scale below several picoseconds. On this short time scale, however, multiexciton and exciton relaxation dynamics, phonon dynamics, trapping to surface or defect states, non-radiative recombination, or stimulated emission occur, all determining the optical properties of the quantum structures. It is proposed to perform ultrafast laser spectroscopy on these structures in the expert research group of Prof. Kambhampati at McGill University, Canada. Here, unique spectroscopic facilities exist to investigate the relevant dynamics. Two kinds of experiments will be performed, which will also train the applicant in cutting-edge ultrafast spectroscopy techniques. Firstly, state-resolved transient absorption measurements will directly access the ultrafast dynamics. Secondly, novel two-dimensional electronic spectroscopy will deliver insights into ultrafast coherent processes of the quantum structures. The understanding of the fundamental ultrafast processes will help to further improve the quantum structures and to further pave the way for their application in optical or opto-electric devices.

 Publications

year authors and title journal last update
List of publications.
2017 Xiao Tang, Elvira Kröger, Andreas Nielsen, Christian Strelow, Alf Mews, Tobias Kipp
Ultrathin and Highly Passivating Silica Shells for Luminescent and Water-Soluble CdSe/CdS Nanorods
published pages: 5253-5260, ISSN: 0743-7463, DOI: 10.1021/acs.langmuir.7b00615
Langmuir 33/21 2019-06-13
2016 Michael Höltig, Charlotte Ruhmlieb, Tobias Kipp, Alf Mews
Highly Efficient Fuel Cell Electrodes from Few-Layer Graphene Sheets and Electrochemically Deposited Palladium Nanoparticles
published pages: 7476-7481, ISSN: 1932-7447, DOI: 10.1021/acs.jpcc.5b12495
The Journal of Physical Chemistry C 120/14 2019-06-13
2017 Sven-Hendrik Lohmann, Christian Strelow, Alf Mews, Tobias Kipp
Surface Charges on CdSe-Dot/CdS-Rod Nanocrystals: Measuring and Modeling the Diffusion of Exciton-Fluorescence Rates and Energies
published pages: , ISSN: 1936-0851, DOI: 10.1021/acsnano.7b05303
ACS Nano 2019-06-13
2017 Hoan Vu, Jan Siebels, David Sonnenberg, Stefan Mendach, Tobias Kipp
Tunable Plasmonic Nanoantennas in Rolled-up Microtubes Coupled to Integrated Quantum Wells
published pages: , ISSN: 2330-4022, DOI: 10.1021/acsphotonics.7b00667
ACS Photonics 2019-06-13

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