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SUMMARY:Hybrid Ligand Exchange for Compositionally Complex Nanoparticle Sur
 faces
LOCATION:Virtual Seminar
TZID:America/Denver
DTSTART:20210122T160000
UID:2026-04-26-17-56-27@natsci.colostate.edu
DTSTAMP:20260426T175627
Description:Literature Seminar\n\n\nNanoparticles are emerging as a materia
 l of interest for photovoltaic applications. Current colloidal synthesis m
 ethods use long chain coordinating organic molecules as ligands to passiva
 te the surface. Exchanging these ligands for smaller organic molecules or 
 inorganic compounds is required to improve particle interactions for charg
 e carrier transport. Current literature focuses on binary systems and sing
 ular ligand exchanges\, while the Agrawal group presents a multistep\, mul
 tiligand hybrid approach. Using a CIGS nanoparticle system\, they develop 
 an efficient replacement of oleylamine bound to the surface with both pyri
 dine and diammonium sulfide that work in conjunction and improve device ef
 ficiency. This work shows promise for novel\, multinary systems such as Cu
 3PSe4 to exchange ligands at multiple cation sites\n\nEllis\, R. G.\; Turn
 ley\, J. W.\; Rokke\, D. J.\; Fields\, J. P.\; Alruqobah\, E. H.\; Deshmuk
 h\, S. D.\; Kisslinger\, K.\; Agrawal\, R. Hybrid Ligand Exchange of Cu(In
 \,Ga)S2Nanoparticles for Carbon Impurity Removal in Solution-Processed Pho
 tovoltaics. Chem. Mater. 2020\, 32 (12)\, 5091–5103. https://doi.org/10
 .1021/acs.chemmater.0c00966.\n\n\nZoom Link\nMeeting ID: 990 8297 7550\nPa
 sscode: 1872 4:00 pm
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