Project description
High-bandwidth terahertz could boost imaging of 2D materials
The recent breakthrough discovery of high-mobility charge transport in two-dimensional semiconducting metal–organic frameworks (MOFs) holds great potential for developing tailored optoelectronic devices. Time-resolved terahertz spectroscopy is a non-contact method that can reveal further information about the MOF chemical composition, electronic structure, conductivity, doping and charge-carrier mobility. Despite the potential of this method, state-of-the-art terahertz probes have a narrow frequency bandwidth. Funded by the Marie Skłodowska-Curie Actions programme, the PhoMOFs project will introduce a novel terahertz trilayer spintronic emitter that has a bandwidth around 15 times broader than that of traditional terahertz sources for investigating charge transport in semiconducting MOFs.
Objective
The recent discovery of high-mobility band-like charge transport in two-dimensional semiconducting Metal Organic Frameworks (2D-MOFs), represents a breakthrough that paves the way for developing novel highly tailorable optoelectronic devices. However, for harvesting the benefits of these materials, it is still required a deeper understanding on the interplay between MOF structure and chemical composition with electronic structure, conductivity, doping and charge carrier mobility. Among the current methods used to characterize charge transport in MOFs, Time-Resolved Terahertz (THz) Spectroscopy (TRTS) stands out, owing to the fact that it is a non-contact technique, with sub-ps resolution, and capable of disentangling the conductivity, doping and mobility of a given sample in the AC limit. Despite powerful, current TRTS setups do have a limitation connected with a small frequency bandwidth of state-of-the-art THz probes (typically limited to 0.2-2 THz). In this project, I will introduce a novel THz Spintronic Trilayer Emitter (STE), holding a bandwidth that is ~15 times broader than that of traditional THz sources, for investigating charge transport in the recently discovered semiconducting MOFs. The STE ultrabroadband frequency window, linked to an ultrashort pulse time duration, will allow for the first time characterizing phonons and their interplay with free carriers (which limit sample´s mobility) as a function of sample chemistry and structure. This powerful approach will ultimately lead to unequivocally establishing connections between structure and charge transport properties in these promising and technologically relevant materials.
Fields of science (EuroSciVoc)
CORDIS classifies projects with EuroSciVoc, a multilingual taxonomy of fields of science, through a semi-automatic process based on NLP techniques. See: The European Science Vocabulary.
CORDIS classifies projects with EuroSciVoc, a multilingual taxonomy of fields of science, through a semi-automatic process based on NLP techniques. See: The European Science Vocabulary.
- natural sciences physical sciences atomic physics
- natural sciences physical sciences optics spectroscopy
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Keywords
Project’s keywords as indicated by the project coordinator. Not to be confused with the EuroSciVoc taxonomy (Fields of science)
Project’s keywords as indicated by the project coordinator. Not to be confused with the EuroSciVoc taxonomy (Fields of science)
Programme(s)
Multi-annual funding programmes that define the EU’s priorities for research and innovation.
Multi-annual funding programmes that define the EU’s priorities for research and innovation.
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H2020-EU.1.3. - EXCELLENT SCIENCE - Marie Skłodowska-Curie Actions
MAIN PROGRAMME
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H2020-EU.1.3.2. - Nurturing excellence by means of cross-border and cross-sector mobility
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Topic(s)
Calls for proposals are divided into topics. A topic defines a specific subject or area for which applicants can submit proposals. The description of a topic comprises its specific scope and the expected impact of the funded project.
Calls for proposals are divided into topics. A topic defines a specific subject or area for which applicants can submit proposals. The description of a topic comprises its specific scope and the expected impact of the funded project.
Funding Scheme
Funding scheme (or “Type of Action”) inside a programme with common features. It specifies: the scope of what is funded; the reimbursement rate; specific evaluation criteria to qualify for funding; and the use of simplified forms of costs like lump sums.
Funding scheme (or “Type of Action”) inside a programme with common features. It specifies: the scope of what is funded; the reimbursement rate; specific evaluation criteria to qualify for funding; and the use of simplified forms of costs like lump sums.
MSCA-IF - Marie Skłodowska-Curie Individual Fellowships (IF)
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Call for proposal
Procedure for inviting applicants to submit project proposals, with the aim of receiving EU funding.
Procedure for inviting applicants to submit project proposals, with the aim of receiving EU funding.
(opens in new window) H2020-MSCA-IF-2020
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28049 Madrid
Spain
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