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SUMMARY:LOW-TEMPERATURE SYNTHESIS OF METAL  CHALCOGENIDES USING AN ORGANIC 
 FLUX
LOCATION:Virtual Seminar
TZID:America/Denver
DTSTART:20209001T000000
UID:2026-04-28-23-04-04@natsci.colostate.edu
DTSTAMP:20260428T230404
Description:Research Seminar\n\nSolid-state synthesis\, especially at low-t
 emperatures (T ≤ 400 ◦C) can be difficult due to the limited number of
  well-known and understood synthetic techniques and the barrier of solid-s
 tate diffusion that can inhibit reactivity. Flux reactions\, traditionally
  involving inorganic melts\, are one technique used to overcome solid-stat
 e diffusion at reduced temperatures. This research explores the use of org
 anic fluxes to synthesize metal chalcogenides at low temperatures with a f
 ocus on understanding the triphenylphosphine flux reaction to form superco
 nducting iron selenide. In this reaction\, the formation of an adduct betw
 een selenium and triphenylphosphine enables selective reactivity through c
 hanging the chemical potential of selenium. The successful triphenylphosph
 ine flux reaction demonstrates that the use of a molten and reactive flux 
 has the potential to enable the synthesis of new low-temperature phases of
  solid materials. Expanding to other fluxes provides the opportunity for a
  tunable handle through which solid-state synthesis by design can be achie
 ved.\n\n&nbsp\; 4:00 pm
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