ICN2 Nanoseminar in Medicine & Health

HYBRID EVENT - Register HERE ONLINE

Time: 15:00 (CET) / 14:00 (UK)

By: Prof. Paolo Samorì, ISIS, University of Strasbourg & CNRS, Strasbourg, France

Introductory talk:  "Advanced manufacturing with inkjet printing: functional nanomaterials for nanobiosensing applications" by Dr Massimo Urban, Doctoral Student at Nanobioelectronics and Biosensors Group at ICN2 

Main Talk Abstract: Two-dimensional materials display outstanding physical and chemical properties which can be further enhanced and enriched through the controlled functionalization with molecules and assemblies thereof yielding hybrid systems with programmed characteristics for applications in (opto)electronics, sensing and energy. Molecules can be designed and synthesized to controllably physisorb or chemisorb onto 2D materials. [1]

In my lecture I will review our recent findings on the functionalization of 2D materials to engineer hybrid systems via:

- physisorption of molecular switches onto the two surfaces of scotch tape and CVD 2D semiconductors, by mastering a Janus approach, to impart additional properties to WSe2, rendering the 2D material-based transistors capable to respond to four different independent stimuli.[2]

- chemisorption of dithiolated molecules onto solution-processed semiconducting TMDs to simultaneously heal sulfur vacancies in metal disulfides and covalently bridge adjacent flakes, thereby promoting percolation pathways for charge transport, leading to a 10-fold increase in field-effect mobility, ION/IOFF ratio, and switching times of liquid-gated transistors.[3]

- the controlled formation of multilayer structures of reduced graphene oxide and flexible molecular spacers made it possible to fabricate highly sensitive pressure and strain sensors for health monitoring [4].

Our modular strategies relying on the combination of 2D material with molecules offer a simple route to generate multifunctional coat-ings, foams and nanocomposites with pre-programmed properties to address key global challenges in electronics, sensing and energy applications.

Figure 1: Optically switchable multilevel high-mobility FETs based on few-layer ambipolar WSe2. 

Figure 2: 1,4-benzenedithiol molecules healing sulfur vacancies in solution-processed MoS2 and covalently bridging adjacent flakes, to create percolation pathways for the charge transport in FETs.

References [1] (i) M. Gobbi, E. Orgiu, P. Samorì, Adv. Mater. 2018, 30, 1706103. (ii) S. Bertolazzi, M. Gobbi, Y. Zhao, C. Backes, P. Samorì, Chem. Soc. Rev. 2018 47, 6845. [2] (i) M. Gobbi, et al. Nat. Commun. 2018, 9, 2661. (ii) H. Qiu, et al., Adv. Mater. 2020, 32, 1907903. (iii) Y. Zhao, S. Bertolazzi, M. S. Ma-glione, C. Rovira, M. Mas-Torrent, P. Samorì, Adv. Mater. 2020, 32, 2000740. (iv) H. Qiu, S. Ippolito, A. Galanti, Z. Liu, P. Samorì, ACS Nano 2021, 15, 10668; (v) H. Qiu, M. Herder, S. Hecht, P. Samorì, Adv. Funct. Mater., 2021 in press (DOI: 10.1002/adfm.202102721) [3] S. Ippolito, et al, Nat. Nanotech. 2021, 16, 592. [4] C.-B. Huang, et al, Adv. Mater. 2019, 31, 1804600.

Paolo Samorì is Distinguished Professor at the Université de Strasbourg, Director of the Institut de Science et d’Ingénierie Supramoléculaires (ISIS) and Director of the Nanochemistry Laboratory. He is Member of the Académie des Technologies, Foreign Member of the Royal Flemish Academy of Belgium for Science and the Arts (KVAB), Fellow of the Royal Society of Chemistry (FRSC), Fellow of the European Academy of Sciences (EURASC), Member of the Academia Europaea, Member of the European Academy of Sciences and Arts, Fellow of International Engineering and Technology Institute (IETI), Socio corrispondente, Sezione di Scienze Matematiche, Fisiche e Naturali - Accademia Nazionale di Scienze Lettere e Arti di Modena, Fellow of the Materials Research Society (MRS), Fellow of the University of Strasbourg Institute for Advanced Study (USIAS), Senior Member of the Institut Universitaire de France (IUF).

He has obtained a Laurea (master’s degree) in Industrial Chemistry at University of Bologna in 1995. In 2000, he has received his PhD in Chemistry from the Humboldt University of Berlin (Prof. J. P. Rabe). Before joining ISIS, he has been permanent research scientist at Istituto per la Sintesi Organica e la Fotoreattività of the Consiglio Nazionale delle Ricerche of Bologna. He has published 430+ papers on nanochemistry, supramolecular sciences, materials chemistry, and scanning probe microscopies with a specific focus on graphene and other 2D materials as well as functional organic/polymeric and hybrid nanomaterials for application in optoelectronics, energy and sensing. He has been awarded numerous prestigious prizes, including the E-MRS Graduate Student Award (1998), the MRS Graduate Student Award (2000), the IUPAC Prize for Young Chemists (2001), the Vincenzo Caglioti Award (2006), the Nicolò Copernico Award (2009), the Guy Ourisson Prize (2010), the ERC Starting Grant (2010), the CNRS Silver Medal (2012), the Catalán-Sabatier Prize (2017), the Grignard-Wittig Lectureship (2017), the ERC Proof of Concept Grant (2017), the RSC Surfaces and Interfaces Award (2018), the Blaise Pascal Medal in Materials Science (2018), the Pierre Süe Prize (2018), the ERC Advanced Grant (2019), the “Étoiles de l’Europe” Prize (2019), the ERC Proof of Concept Grant (2020) and the RSC/SCF Joint Lectureship in Chemical Sciences (2020) and the Prix André Collet (2021).

He is Associate Editor of ACS Nano (ACS) and Member of the Advisory Boards of Advanced Materials, Small, ChemNanoMat, ChemPhysChem, ChemPlusChem, ChemSystemsChem and SmartMat (Wiley-VCH), Chemical Society Reviews, Nanoscale Horizons, Nanoscale, Chemical Communications and Journal of Materials Chemistry (RSC), ACS Nano and ACS Omega (ACS), and BMC Materials (Springer Nature).

Co-organised by ICN2 and Nanomedicine lab at the University of Manchester