ArticleChemistry of materials : a publication of the American Chemical Society2025
Decomposition of Selenourea in Various Solvents: Red versus Gray Selenium in the Synthesis of Iron Selenide Nanoparticles.
Article in Chemistry of materials : a publication of the American Chemical Society, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Selenourea is a useful reagent for the synthesis of metal chalcogenides. Its low decomposition temperature allows it to bypass the usual harsh conditions used in nanoparticle synthesis. Here, we show that selenourea decomposes differently based on its chemical environment, a phenomenon that can be used for the phase control of iron selenide nanoparticles. Two solvents (oleylamine and oleic acid) were tested for their interactions with selenourea to control the phase of iron selenides as they are ubiquitous in nanocrystal synthesis. It was found that in the presence of oleylamine, selenourea decomposes into red selenium resulting in the formation of Fe
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