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SUMMARY:Understanding Cu3Si Formation and Main Group IV Trends Towards the 
 Nanoparticle Synthesis of Cu2SiSe3
LOCATION:Chemistry A101
TZID:America/Denver
DTSTART:20202201T000000
UID:2026-05-17-14-53-55@natsci.colostate.edu
DTSTAMP:20260517T145355
Description:Research Seminar Abstract\nSolution-based synthetic methods are
  promising routes for making nanoparticles with applications in a wide var
 iety of fields\, including photovoltaics\, thermoelectrics\, and for LEDâ€
 ™s. Investigating the pathway and mechanism of these reactions leads to be
 tter synthesis rational and the ability to tune and improve fundamental st
 ructure/property relationships\, leading to better device performance. The
  Prieto group is interested in investigating solution-based nanoparticle s
 yntheses of potential photovoltaic materials with similar properties to th
 e I-II-VI2 chalcogenides (e.g. CuInSe2) but composed of earth abundant ele
 ments. Specifically\, this work focuses on routes to logically identify an
 d understand a solution-based nanoparticle synthesis for Cu2SiSe3. Initial
  studies and literature precedence demonstrate the difficulty of incorpora
 ting the main group element Si into the system. Rational methods to increa
 se the reactivity of Si and/or inhibit the reactivity of Se and Cu are bei
 ng explored. Currently\, it is hypothesized that by first forming Si binar
 ies\, Cu-Si or Si-Se\, Cu-Se binary impurities can be avoided. The work pr
 esented here shows the development of a metathesis reaction in order to su
 ccessfully form Cu-Si binaries. This success has led to promising directio
 ns where main group IVA elements are currently being investigated. 4:00 pm
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