Project description
New type of molecules hold promise for organic electronics
π-conjugated molecules are important for creating advanced materials used in organic electronics, such as flexible screens or solar cells. They also help scientists study aromaticity – a property that explains how electrons are shared in certain molecules to enhance stability. Cyclic porphyrin oligomers – a type of π-conjugated molecule – serve as valuable models for studying aromaticity as they demonstrate unique properties such as ultrafast energy delocalisation and quantum interference. With the support of the Marie Skłodowska-Curie Actions programme, the FullyConjugatedPNs project aims to create new π-conjugated molecules called porphyrin nanobelts (PNs), which are expected to have even better electronic delocalisation properties than similar molecules studied before. Using advanced chemical methods, researchers will build and study these PNs to understand their structure and how they behave.
Objective
π-Conjugated macrocycles are promising materials for applications in organic electronics and they are being studied to gain fundamental understanding of aromaticity. Cyclic porphyrin oligomers exhibit unique properties, such as ultrafast energy delocalization and quantum interference, and they serve as valuable models for studying aromaticity on the nanoscale. This project aims to synthesize the first fully π-conjugated porphyrin nanobelts (PNs). These PNs are expected to have stronger electronic delocalization than the single-strand porphyrin nanorings previously studied in Anderson's group. Two complementary work packages are proposed. In WP1, the target β,meso,β-triply-linked PNs will be synthesized using a cleavable covalent template. In WP2, curved building blocks will enable the synthesis of target β,β-fused PNs. The target PNs will be purified by recycling gel-permeation chromatography (GPC) and structurally characterized using Nuclear Magnetic Resonance (NMR) spectroscopy, mass spectrometry and single-crystal X-ray crystallography. The electronic and magnetic properties of the PNs will be elucidated using techniques such as NMR spectroscopy, UV-vis absorption and fluorescence spectroscopy, as well as Electron Paramagnetic Resonance (EPR) spectroscopy, backed up with quantum-chemical electronic structure calculations. This research will explore the electronic structures and photophysical properties of the fully conjugated NPs, and determine whether global (anti)aromaticity occurs in their neutral, oxidized or reduced states. This work will generate new insights into molecular structure-property relationships by studying unprecedented molecular nanostructures.
Fields of science (EuroSciVoc)
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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 earth and related environmental sciences geology mineralogy crystallography
- natural sciences physical sciences optics spectroscopy emission spectroscopy
- natural sciences physical sciences optics spectroscopy absorption spectroscopy
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Project’s keywords as indicated by the project coordinator. Not to be confused with the EuroSciVoc taxonomy (Fields of science)
Programme(s)
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Multi-annual funding programmes that define the EU’s priorities for research and innovation.
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HORIZON.1.2 - Marie Skłodowska-Curie Actions (MSCA)
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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.
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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.
HORIZON-TMA-MSCA-PF-EF - HORIZON TMA MSCA Postdoctoral Fellowships - European Fellowships
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Call for proposal
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(opens in new window) HORIZON-MSCA-2024-PF-01
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OX1 2JD Oxford
United Kingdom
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