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SUMMARY:Rational design of microstructure\, composition\, and electrocatal
 ysis in carbon materials
DTSTART:20170320T131500
DTEND:20170320T141500
DTSTAMP:20260408T071233Z
UID:871ad4c637804f1e6d2e507e91b76e293b3429d2a45d65cded1ba619
CATEGORIES:Conferences - Seminars
DESCRIPTION:Dr. David Eisenberg\, Technion–Israel Institute of Technolog
 y\nCarbon materials – highly porous\, partially graphitic\, and hetero-d
 oped – are rising electrodes in electrochemical devices for energy stora
 ge. This is a curious twist of history: for many millennia carbon was most
 ly a low-value energy source\, only good for burning up. These days\, we f
 ind carbon electrodes in power sources as diverse as batteries\, fuel cell
 s and supercapacitors. The microstructure of such carbons – affecting mu
 ch of their electrochemical function – is hard to design and control. We
  have recently reported a family of N-doped\, hierarchically porous carbon
 s\, whose structure and composition can be tuned rationally\, opening the 
 way to in-depth studies of structure–activity links. These carbons are d
 erived from metal-organic frameworks (MOFs)\, whose composition can be con
 trolled and correlated to the final carbon structure\, and ultimately\, el
 ectrocatalytic properties. This talk will discuss design principles of car
 bon-based electrocatalysts\, focusing on elegance of synthesis\, separatio
 n of structural variables\, and understanding electrocatalytic function.\n
  \nReferences:\n[1]            D. Eisenberg\, W. Stroek\, N. J
 . Geels\, C. S. Sandu\, A. Heller\, N. Yan\, and G. Rothenberg\, “A Simp
 le Synthesis of an N-Doped Carbon ORR Catalyst: Hierarchical Micro/Meso/Ma
 cro Porosity and Multi-Walled Graphitic Pore Walls\,” Chem. – Eur. J.\
 , 22\, 501–505\, 2016.\n[2]            D. Eisenberg\, W. Stro
 ek\, N. J. Geels\, S. Tanase\, M. Ferbinteanu\, S. J. Teat\, P. Mettraux\,
  N. Yan\, and G. Rothenberg\, “A rational synthesis of hierarchically po
 rous\, N-doped carbon from Mg-based MOFs: understanding the link between n
 itrogen content and oxygen reduction electrocatalysis\,” Phys. Chem. Che
 m. Phys.\, 18\, 20778–20783\, 2016.\n[3]            D. Eisenb
 erg\, P. Prinsen\, N. J. Geels\, W. Stroek\, N. Yan\, B. Hua\, J.-L. Luo\,
  and G. Rothenberg\, “The evolution of hierarchical porosity in self-tem
 plated nitrogen-doped carbons and its effect on oxygen reduction electroca
 talysis\,” RSC Adv.\, 6\, 80398–80407\, 2016.\n\nBio: David Eisenberg 
 received his BSc\, MSc\, and PhD in Chemistry at the Hebrew University of 
 Jerusalem\, Israel (2002-2011\, with Prof. Roy Shenhar). His thesis focuse
 d on diffusion NMR of self-assembled buckyball fragments. In parallel\, he
  worked in an Israeli national lab developing transparent oxide ceramics\,
  taught chemistry in an international high-school in kibbutz Tzuba\, and o
 perated a small business building websites for academics.\nAfter graduatio
 n\, David Eisenberg travelled to the University of Texas at Austin (USA) a
 s a Fulbright / Ilan-Ramon Fellow to pursue post-doctoral research in elec
 trochemistry (with Prof. Allen J. Bard and Prof. Adam Heller). He then mov
 ed to the University of Amsterdam in the Netherlands to lead an electrocat
 alysis team at the Heterogeneous Catalysis and Sustainable Chemistry group
  of Prof. Gadi Rothenberg.\n\nOn February 2017\, David Eisenberg joined th
 e Schulich Faculty of Chemistry at the Technion – Israeli Institute of T
 echnology. His group (www.david-eisenberg.com) focuses on the materials sc
 ience of fuel cell electrocatalysts\, with a special interest in 3D carbon
 s with designed microstructure and doping.\n 
LOCATION:MXF 1 https://plan.epfl.ch/?room==MXF%201
STATUS:CONFIRMED
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