Process for preparing a nanocrystalline material
AssigneeImperial College of Science, Technology and Medicine
InventorsPaul O'Brien, Tito Trin Dade
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Abstract
A process for preparing a nanocrystalline material comprising at least a first ion and at least a second ion different from the first ion, and wherein at least the first ion is a metal ion, is described. The process comprises contacting a metal complex comprising the first ion and the second ion with a dispersing medium suitable to form the nanocrystalline material and wherein the dispersing medium is at a temperature to allow formation by pyrolysis of the nanocrystalline material when contacted with the metal complex.
Claims22
A process for preparing a nanocrystalline material comprising at least a first ion and at least a second ion different from the first ion, the process comprising:
- a single-step pyrolysis of a metal complex of the formula MLn in a dispersing medium suitable to form the nanocrystalline material, wherein:
- M represents a metal ion selected from the group consisting of a cadmium ion, a zinc ion, a lead ion, a mercury ion, an aluminum ion, an indium ion, a gallium ion and combinations thereof;
- L represents one or more ligands selected from the group consisting of a sulphide group, a phosphide group, a thiol-carbamate group, a dithiol-carbamate group, a seleno-carbamate group, a diseleno-carbamate group, an organic group, a thio group and combinations thereof;
- and
- n represents the valency of M;
- further wherein the dispersing medium is at a temperature to allow formation of the nanocrystalline material by pyrolysis when the contacted with the metal complex.
Dependencies are inferred from the claim text.