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SUMMARY:Lewis Lectures 2025 - Lecture II - &quot\;Tales of the Unexpected:
  New Perspectives on Electrochemistry at Carbon Electrodes and Membranes&q
 uot\; - Prof. Patrick Unwin\, University of Warwick
DTSTART:20250228T140000Z
DTEND:20250228T150000Z
UID:TALK224143@talks.cam.ac.uk
CONTACT:Sharon Connor
DESCRIPTION:A wide variety of carbon materials are used in electrochemistr
 y\, with diverse applications that include (bio)electroanalysis and sensor
 s\, batteries and fuel cells\, and membranes. The family of carbon materia
 ls is broad\, spanning sp2 and sp3 materials\, and includes 1D carbon nano
 tubes\, 2D graphene (and non-carbon analogues) and 3D graphite and conduct
 ing diamond\, along with amorphous carbon and various composites. The elec
 tronic properties of each of these materials are further influenced by loc
 al structure and defects\, method of preparation\, and (for 1-D and 2-D ma
 terials) the conducting support\, the number of layers\, and their arrange
 ment. Ultimately\, all of these factors can influence interfacial charge t
 ransfer and electrochemistry.\nIn this lecture\, I shall discuss our work 
 in this area\, which has established a new paradigm for structure-activity
  across a wide range of carbon materials and electrochemical processes. We
  combine high resolution electrochemical imaging data with information fro
 m other microscopy and spectroscopy techniques applied to the same area of
  an electrode surface\, in a correlative-electrochemical microscopy approa
 ch\, to produce highly resolved and unambiguous pictures of electrode acti
 vity at the nanoscale. The new models of electrochemistry offer surprises\
 , overturn longstanding dogma\, unify observations across length scales\, 
 and provide a foundation for future rational applications of carbon electr
 odes.\n
LOCATION:Dept of Chemistry\, Wolfson Lecture Theatre 
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