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SUMMARY:IMX Talks - Dress Them with Molecules! Elevating 2D Materials to a
  New Dimension
DTSTART:20240418T130000
DTEND:20240418T140000
DTSTAMP:20260921T172718Z
UID:bfd7535b7e0bcbc3fefc682b352067d2d823442f4297aa08c01dccf1
CATEGORIES:Conferences - Seminars
DESCRIPTION:Prof. Paolo Samori\, Université de Strasbourg\nThe already ex
 ceptional properties of 2D materials can be further tuned\, enriched and e
 nhanced by interfacing them with ad hoc molecules\, by exploiting principl
 es of supramolecular chemistry. Harnessing the vast arsenal of molecules t
 hat can be designed and synthesized with predetermined functionalities\, o
 ne can engineer 2D materials exhibiting dynamic physical and chemical prop
 erties\, by conferring them unprecedented functions\, with the ultimate go
 al of generating multifunctional hybrid systems for applications in electr
 onics beyond CMOS through the functional diversification following a “mo
 re than Moore” strategy. [1]\nIn my lecture I will present our recent fi
 ndings on the covalent and non-covalent functionalization of 2D materials 
 to engineer hybrid systems. This has been accomplished via the controlled 
 interfacing of their two surfaces either in a symmetric or asymmetric fash
 ion with molecular switches\, thereby imparting additional properties to M
 oS2\, back phosphorous or WSe2\, rendering 2D material-based transistors c
 apable to respond to as many as four different independent stimuli.[2] Suc
 h a strategy enabled to execute complex function thereby emulating neuromo
 rphic-based cognitive processes.[3] Physical sensors for medical diagnosis
  and health monitoring were also realized\, upon engineering active materi
 als with sensitivities in the low-pressure or medium-pressure range. Examp
 le of flexible piezoresistive pressure sensors compatible with wearable te
 chnologies for digital healthcare\, human-machine interfaces and robotics 
 will be provided. [4]\nOn the other hand\, the covalent connection of 2D n
 anosheets is employed to generate 3D networks displaying improved electron
 ic connectivity which is demonstrated through the fabrication of field-eff
 ect transistors and chemical sensors with enhanced performances.[5]\nOur m
 odular strategies relying on the combination of 2D materials with molecule
 s offer a simple route to generate multifunctional coatings\, foams and na
 nocomposites with programmed properties to address key global challenges\,
  to ultimately improve the quality of life on our planet.\nReferences\n\n	
 For reviews: (a) Chem. Soc. Rev. 2018 47\, 6845-6888. (b) Adv. Mater. 2018
 \, 30\, 1706103. (c) Chem. Rev.\, 2022\, 122\, 50–131.\n	(a) Chem. Sci. 
 2022\, 13\, 315. (b) Adv. Funct. Mater. 2021 31\, 2102721. (c) ACS Nano 20
 21\, 15\, 10668. (d) Adv. Mater. 2020\, 32\, 1907903\n	Adv. Mater. 2024\, 
 36\, 2307359 \n	(a) Adv. Mater. 2019\, 31\, 1804600. (b) Chem. Mater. 2023
 \, 35\, 6909\n	 (a) Nat. Nanotech. 2021\, 16\, 592. (b) Adv. Mater. 2023\
 , 35\, 2211157.\n\nBio: Paolo Samori is a distinguished professort at Univ
 ersité de Strasbourg. His research revolves around nanochemistry and mate
 rials science with a particular focus on graphene and related 2D materials
 \, supramolecular electronics\, scanning probe microscopies beyond imaging
 \, hierarchical self-assembly of hybrid functional architectures at surfac
 es and interfaces\, and the fabrication of organic- and graphene-based nan
 odevices. He is using the supramolecular chemistry approach in order to ge
 nerate ordered 1D\, 2D and 3D architectures at surfaces and interfaces\, a
 iming at controlling an improving the properties of opto-electronic and se
 nsing devices\, with the ultimate goal of providing concrete solutions to 
 the grand challenges our society must address.
LOCATION:ELA 2 https://plan.epfl.ch/?room==ELA%202
STATUS:CONFIRMED
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