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SUMMARY:Exploring Strategies for the Colloidal Nanoparticle Synthesis of Co
 pper Selenophosphate: An Overlooked Material For Photovoltaic Applications
LOCATION:Chemistry A101
TZID:America/Denver
DTSTART:20194201T000000
UID:2026-04-26-04-27-04@natsci.colostate.edu
DTSTAMP:20260426T042704
Description:Research Seminar Abstract\n\nTernary copper-based semiconductor
  nanoparticles (NPs) have emerged as promising materials for photovoltaic 
 absorbers because they are composed of nontoxic\, earth-abundant elements 
 and potentially offer tunability of optoelectronic properties. The compoun
 d copper selenophosphate\, Cu3PSe4\, is often overlooked but is of interes
 t as a p-type absorber\, motivated by theory predicting a competitive effi
 ciency of 24%. However\, little is known about Cu3PSe4 other than from DFT
  calculations and basic characterization of bulk samples.\n\nWe have devel
 oped a new solution-based NP synthesis of this material. Directly nucleate
 d copper phosphide\, Cu3P\, NPs were synthesized and consumed in a seleniz
 ation step to form Cu3PSe4 NPs. Multinary nanoparticle synthesis is often 
 challenging because the diversity of interactions between different specie
 s adds a layer of complexity in phase and composition control. Current wor
 k focuses on the development of strategies that can be extrapolated to oth
 er materials composed of these elements to overcome the synthesis bottlene
 ck of materials discovery. 4:00 pm
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