Didodecyldiselenide and didodecylditelruide were used in solvothermal syntheses to prepare metastable hexagonal Cu<sub>2</sub>Se nanocrystals and pseudo-cubic Cu<sub>1.5</sub>Te nanocrystals, both of which are not known in the bulk. Under slightly different conditions, nanosheets of vulcanite CuTe, which has not been previously prepared though solvothermal preparations resulted. These syntheses will be presented as well as experiments that shed light on why these reagents are so special and tend to lead to metastable phases.

Dialklydichalcogenides reagents as precursors for metastable phases of copper chalcogenides

ACS Spring Meeting 2021

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