| abstract |
(GeS or GeS 2 ) nanoparticles, and more particularly, to a method for producing a germanium compound and a sulfur compound capable of easily controlling the composition of nanoparticles using photolysis of a germanium compound and a sulfur compound The present invention relates to a method for producing a sulfided germanium nanoparticle comprising photolysis by irradiating a pulsed laser to a mixed gas, a germanium sulfide nanoparticle, a negative electrode active material for a lithium secondary battery comprising the same, and a lithium secondary battery comprising the same. |