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SUMMARY:Synthesis, structure and optical properties of halide double perovs
 kites: Separating the hype from reality
LOCATION:Chemistry A101
TZID:America/Denver
DTSTART:20193101T000000
UID:2026-04-25-02-04-40@natsci.colostate.edu
DTSTAMP:20260425T020440
Description:About the Seminar\n\nThe AMX3 (A = Cs\, Rb\, CH3NH3\; M = Pb\,
  Sn\, Ge\; X = I\, Br\, Cl) halide perovskites have drawn a tremendous amo
 unt of attention in recent years. Their electrical and optical properties 
 are comparable to conventional compound semiconductors\, which makes them 
 potentially suitable for many applications\, including solar cells where p
 ower conversion efficiencies exceeding 20% have been realized. The halide 
 double perovskites Cs2BB′X6 (B = Ag\, Na\; B′ = Bi\, Sb\, In\; X = Cl\
 , Br) are attractive alternatives because they do not contain lead and hav
 e enhanced chemical and thermal stability. In this talk I describe our stu
 dies of the synthesis and properties of halide double perovskites and asse
 ss their potential for use as solar absorbers in photovoltaic devices and 
 phosphors in solid state white lighting.\n\n&nbsp\;\n\nAbout the Speaker\n
 \nPatrick Woodward received BS degrees in Chemistry and General Engineerin
 g from Idaho State University in 1991\, an MS in Materials Science and a P
 hD in Chemistry from Oregon State University in 1996\, where he studied un
 der Art Sleight. He was a postdoc at Brookhaven National Laboratory (1996â
 ˆ’1998) before moving to Ohio State University in 1998. He is Professor of
  Chemistry and Biochemistry at Ohio State University\, where he has been s
 ince 1998. His research interests revolve around the discovery of new mate
 rials and understanding links between the composition\, structure and prop
 erties of extended solids. He has published 165 papers\, over half of whic
 h concern perovskites of one type or another. 4:00 pm
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