Disodium diselenide in colloidal nanocrystals: acting as an anion exchange precursor, a metal selenide precursor, and a chalcogenide ligand.

Donghyeuk Choi,Seungyeol Lee,Junho Lee,Kyung-Sang Cho,Sang-Wook Kim

CHEMICAL COMMUNICATIONS（2015）

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摘要

A new application area using a very simple alkali metal chalcogenide, disodium diselenide (Na2Se2), has been developed. The prepared alkali metal chalcogenide (disodium diselenide, Na2Se2) acts as an anionic exchange precursor (PbS to PbS-PbSe), a Se precursor for metal selenide nanoparticles (Ag to Ag2Se), and a MCC (FeO-MCC) depending on the type of colloidal nanoparticles.

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关键词

colloidal nanocrystals,metal diselenide precursor,chalcogenide ligand,anion exchange precursor

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