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On-Surface Synthesis, Transfer and Device Fabrication of Novel Carbon-based Nanomaterials

Project description

Paving the way to the next-generation of electronic devices

During the last years, the study of reactions on surfaces have become a versatile tool for fabricating atomically precise carbon-based nanomaterials that cannot be synthesized via conventional chemical methods. The field has witnessed important advances such as the bottom-up synthesis of graphene nanoribbons which open the way for the development of the next-generation of electronic devices. The reaction mechanisms derived from in-solution chemistry are not necessarily transferable to solution-free processes occurring at surfaces. The EU-funded OssCaNa project will study on-surface synthesis of novel carbon-based nanomaterials combining a variety of surface science techniques such as low-temperature scanning probe microscopy/spectroscopy, non-contact atomic force microscopy and X-ray photoelectron spectroscopy. The project will also study efficient nanomaterial transfer mechanisms to appropriate non-metallic substrates and test their use in fabricating high-performance electronic devices.


The study of on-surface chemical reactions has attracted recently an enormous interest demonstrating to be a versatile tool for the fabrication of atomically precise covalently bonded carbon nanomaterials that cannot be synthesized in conventional solution-based chemistry. However, despite of the extraordinary advances realized in the field of on-surface synthesis in the last years, a gap between ideal nanomaterials and the accessible synthetic pathways to reach them still persists. Contemporarily to the recent progress achieved in on-surface synthesis, the fabrication of high-performance tunneling field-effect transistors (FETs) based on the bottom-up chemical synthesis of specific carbon-based nanomaterials, such as low-bandgap GNRs, has supposed an enormous progress for the fabrication of next-generation electronic devices, opening the field of flexible and low-consumption electronics. A general feature of the bottom-up assembly approaches realized so far is the need of a metallic substrate to trigger and promote the assembly of precursor monomers into the desired final nanomaterial. As a result, the final product is supported on metal substrates, which is not adequate for the device development. Therefore, efficient transfer procedures for bringing the targeted nanomaterial onto technologically relevant semiconducting or insulating substrates are necessary. In this context, the goal of the OssCaNa project presents two steps. First, it aims at the study of carbon-based nanomaterials combining a broad variety of surface science techniques such as low temperature scanning probe microscopy/spectroscopy (STM/STS), non-contact atomic force microscopy (nc-AFM) and X-ray photoelectron spectroscopy (XPS). Second, it focusses on the efficient transfer of the targeted nanomaterials fabricated and characterized on a metallic substrate in the previous step, to appropriate substrates for further electrical transport characterization and high-performance device fabrication.


Net EU contribution
€ 160 932,48
28049 Madrid

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Comunidad de Madrid Comunidad de Madrid Madrid
Activity type
Research Organisations
Total cost
€ 160 932,48