METHOD FOR PURIFYING MATERIAL CONTAINING METALLOID ELEMENT OR METAL ELEMENT AS MAIN COMPONENT

摘要

It is possible to efficiently obtain a purified material from a material containing a metalloid element such as silicon or metal element as the main component, and an impurity. The method for purifying a material, comprising bringing a material containing a metalloid element or metal element as the main component, and an impurity into contact with a compound represented by the following formula (1): A1X3 (1) wherein X is a halogen atom; to remove the impurity from the material.