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DTSTAMP:20260424T153118Z
UID:1759138200@ist.ac.at
DTSTART:20250929T113000
DTEND:20250929T123000
DESCRIPTION:Speaker: Alexander Kuhn\nhosted by Stefan Freunberger\nAbstract
 : Asymmetry is a very common feature of many systems\, objects and molecul
 es\, that we encounter and use in our daily life. Actually\, it is in the 
 majority of the cases an absolutely crucial ingredient for conferring a ce
 rtain useful property to an entity\, a prominent example being the chiral 
 nature of pharmaceutically active compounds.Chemists have developed variou
 s approaches to generate asymmetry\, from the molecular to the macroscopic
  scale\, and this seminar illustrates\, with a series of selected recent e
 xamples\, how electrochemistry can make original contributions to the topi
 c.At the molecular level\, it is possible to use specifically designed ele
 ctrodes for the analysis1\, separation2 and synthesis of chiral molecules3
 -5 with very high enantioselectivity.From a point of view of materials sci
 ence\, asymmetric so-called Janus objects with complex surface features ca
 n also be electrogenerated in a straightforward way\, at the nano6\,7- mic
 ro8-12- and macro-scopic13 scale.As asymmetry is also a mandatory attribut
 e for inducing directed motion\, electrochemical phenomena can be furtherm
 ore advantageously employed to fuel exogenous or endogenous hybrid dynamic
  systems\, exhibiting interesting features when they are used for example 
 as actuators14-18 or swimmers19-23.The latter can then in turn serve again
  for the efficient synthesis of chiral molecules24-26\, thus closing the l
 oop.  References1. S. Butcha et al.\, Chem.Comm. 58 (2022) 10707\; 2. S.
  Assavapanumat et al.\, Angew. Chem. Int. Ed. 58 (2019) 3471\;3. S. Assava
 panumat et al.\, J.Am.Chem.Soc. 141 (2019) 18870\; 4. S Butcha et al.\, Na
 t. Comm. 12 (2021) 1314\;5. S. Butcha et al.\, Chem. Sci. 13 (2022) 2339\;
  6. R. Gao et al.\, Nano Lett. 23 (2023) 8180\; 7. R. Gao et al.\, ChemPhy
 sChem 25 (2024) e202400257\; 8. S. M. Beladi-Mousavi et al.\, Carbon 191 (
 2022) 439\; 9. P. Chassagne et al.\, Adv.Mater. (2023) 2307539\; 10. Y. Fu
  et al.\, Chem.Mater. 36 (2024) 7079\; 11. B. Xie et al.\, Adv.Mater. (202
 5) 2506777 \; 12. K. Missaoui et al.\, Chem.Sci. (2025) 10691\; 13. M. Ke
 tkaew et al.\, Chem.Comm. 58 (2022) 10707\; 14. L. Zhang et al.\, J.Am.Che
 m.Soc. 140 (2018) 15501\; 15. S. Assavapanumat et al.\, Chem.Comm. 55 (201
 9) 10956\; 16. S. Arnaboldi et al.\, Anal.Chem. 92 (2020) 10042\; 17. B. G
 upta et al.\, Chem.Sci. 12 (2021) 2071\; 18. S. Arnaboldi et al. Nat.Comm.
  14 (2023) 6390\; 19. G. Salinas et al.\, Angew.Chem.Int.Ed. 59 (2020) 750
 8\; 20. G. Salinas et al.\, Chem.Sci. 11 (2020) 7438\; 21. G. Salinas et a
 l.\, J.Am.Chem.Soc. 143 (2021) 12708\; 22. S. Arnaboldi et al.\, Nat.Chem.
  13 (2021) 1241\; 23. C. Lozon et al.\, Angew. Chem. Int. Ed. 136 (2024) e
 202408198\; 24. S. Arnaboldi et al.\, Angew.Chem.Int.Ed. 61 (2022) e202209
 098\; 25. G. Salinas et al.\, Faraday Discuss. 247 (2023) 34\; 26. Salinas
  et al.\, Curr.Opin.Electrochem. 49 (2025) 101612 
LOCATION:Raiffeisen Lecture Hall\, ISTA
ORGANIZER:diana.gruber@ista.ac.at
SUMMARY:Alexander Kuhn: Electrochemically Induced Asymmetry:  from Molecule
 s and Materials to Motion and Back
URL:https://talks-calendar.ista.ac.at/events/5769
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