MRGS-Nano-Spec. · Nanoengineering of multicomponent reversible graphene superlattices: Probing the fundamentals from the molecular level to the device scale.
„Хоризонт Европа“ — Действия „Мария Склодовска-Кюри“
- Период
- 2023-08-01 → 2025-07-31
- Финансиране от ЕС
- 191 760 €
- Участници
- 1
- Схема
- HORIZON-TMA-MSCA-PF-EF
Линиите свързват координатора с партньорите.
Накратко на български
Графенът се модифицира чрез добавяне на молекули, които реагират на светлина, за създаване на нови хибридни материали. Това помага за разработването на по-добри сензори и устройства за събиране на енергия.
Кратко обяснение, генерирано от езиков модел по текста на CORDIS. Оригиналът е по-долу.
Резултати накратко
Nanoengineering of multicomponent reversible graphene superlattices: Probing the fundamentals from the molecular level to the device scale.
This project set out to explore the nanoengineering of single-layer graphene, an atomically thin sheet of carbon atoms arranged in a honeycomb structure, with the goal of fabricating novel graphene-based hybrid materials with advanced functionalities. Although graphene displays exceptional chemical, physical, mechanical, and electrical properties, its intrinsic characteristics often limit its direct use in many technological applications and hinder the development of next-generation devices in fields such as optoelectronics, sensing, and energy harvesting. A promising way to overcome these limitations is through chemical functionalization, where carefully selected functional groups are covalently anchored to graphene, or by controlling the molecular orientation and self-assembly of physisorbed molecules at its surface. Both approaches offer the possibility of tailoring graphene’s properties in a highly controlled manner, creating customized materials with novel behaviors. The ambition of this project was to uncover the fundamental physical and chemical mechanisms governing multicomponent graphene functionalization and to use this knowledge to build a novel photo-switchable hybrid graphene superlattice. In parallel, the project aimed to advance nanoscale surface characterization of atomically thin graphene, enabling the visualization and understanding of defect distribution at the molecular level, a critical step toward precisely engineering new functionalities. The overall objectives were therefore to: • Develop facile and efficient covalent functionalization strategies to pattern graphene with high spatial resolution. • Explore and fabricate light-controlled photochromic molecules as building blocks for photo-switchable graphene superlattices. • Establish nanoscale optical and structural characterization protocols to upscale the fundamental knowledge of hybrid graphene structures. Through these objectives, the project directly addresses the demand for cost-effective, sustainable, and multifunctional materials. It also demonstrates the fabrication of novel hybrid graphene substrates, laying the foundation for future applications in optoelectronics, sensing, and nanotechnology.
Текст от CORDIS, на английски · Данни: CORDIS, © Европейски съюз
Цел на проекта
The nanoarchitecture of 2D materials is of great interest in the scientific community and is recently exploited widely to tailor its electrical, chemical, optical, and mechanical properties. Chemical and photochemical reactions are the two promising methods to anchor the functional groups on 2D materials, in which the former reaction induces large-scale modification while the latter introduces spatially localized defects (sub-micron precision). Indeed, the precise control over the covalent functionalization of 2D materials at the molecular level still remains a challenging task due to the lack of molecular identity, spatial distribution, and density at the molecular level. In this proposal, a novel multicomponent reversible graphene superlattice consisting of both covalent and non-covalent bound moieties will be constructed with the aid of nano spectroscopy techniques such as TERS and nanoIR. The customized modulation of electrical and optical properties of the superlattice by exploiting the molecular switching events through external stimuli will enable the fabrication of multifunctional graphene substrates. The nano-spectroscopy techniques together with state-of-the-art surface analyzing techniques (AFM, STM, KPFM) permit real-time nanoscale chemical mapping and molecular visualization on the graphene layer. Furthermore, the synergy between STM/AFM imaging and time-resolved optical spectroscopy will be employed in this project in order to resolve the real-time ensembled dynamics of photoisomerization and the associated self-assembly of the photochromic molecules on the graphene layer. The sub-nanoscale molecular information will facilitate precise Fermi-level engineering. Finally, the feasibility of devising new flexible and transparent field-effect transistors (FET) devices using the newly architect graphene superlattices will be scrutinized.
Оригинален текст от CORDIS (на английски).
Участници
- KATHOLIEKE UNIVERSITEIT LEUVEN · LeuvenКоординаторБелгия
Връзки
- Виж в CORDIS
- DOI: 10.3030/101105762
- https://ec.europa.eu/research/participants/documents/downloadPublic?documentIds=080166e507a5abfe&appId=PPGMS
- https://ec.europa.eu/research/participants/documents/downloadPublic?documentIds=080166e52288d22b&appId=PPGMS
Данни: CORDIS, © Европейски съюз
