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SUMMARY:Prof. David Tilley : Thin Film and Particle Based Solar Water Spli
 tting with Low-Cost Inorganic Materials
DTSTART:20250523T161500
DTEND:20250523T173000
DTSTAMP:20261004T135021Z
UID:0856943d4b2fbbde1250eab360689b6ae13374b4a6e61fd13ae00d39
CATEGORIES:Conferences - Seminars
DESCRIPTION:Prof. David Tilley\,\nDepartment of Chemistry\,\nUniversity of
  Zurich\, Switzerland\n \nAbstract : Particle-based water splitting is co
 nsidered to have disruptive potential for generating green hydrogen if cer
 tain efficiency and stability goals are met. While the required efficiency
  and durability metrics are much higher for thin film-based systems\, the 
 film architecture enables the use of advanced characterization techniques 
 for improvement of the materials\, which in a second step can be translate
 d to the more cost-effective particle architecture. In this talk\, I will 
 discuss our recent work with cuprous oxide (Cu2O)\, both as a photocathode
  for hydrogen evolution as well as a photoanode for water oxidation\, and 
 antimony selenide (Sb2Se3) systems for hydrogen evolution. I will discuss 
 a novel protective layer for photoanodes composed of a polyamine embedded 
 in a TiO2 layer that not only conducts holes but also serves as a selectiv
 e contact for holes on the model systems BiVO4 and Fe2O3. Finally\, I will
  describe our recent efforts for translating these systems to particle-bas
 ed architectures\, where we observe gas evolution with light input only.\n
 \nBio : David Tilley received a Bachelor of Science degree in Chemistry fr
 om the University of Georgia\, USA and a Ph.D. degree from the University 
 of California\, Berkeley\, working with Prof. Matthew Francis.  Following
  a first postdoctoral stay at Princeton University with Prof. Erik Sorense
 n\, David Tilley moved to Switzerland to learn about water splitting with 
 Prof. Michael Grätzel at EPFL. Following this postdoctoral fellowship\, h
 e served as Group Leader for the water splitting subgroup in the Grätzel 
 laboratory from 2011-2014. He was appointed as an Assistant Professor in t
 he Department of Chemistry of the University of Zurich (UZH) in 2015 and w
 as promoted to Associate Professor in 2020. In August 2024\, he became dir
 ector of the Department of Chemistry at UZH.\n 
LOCATION:Tseuzier https://plan.epfl.ch/?room==I17%204%20K2 https://epfl.zo
 om.us/j/65378030944
STATUS:CONFIRMED
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