METHOD OF MANUFACTURING DENSE CIGSe/CISe THIN FILM USING SELENIZATION OF CIGS/CIS NANOPARTICLES

摘要

Disclosed is a method of manufacturing a dense CISe/CIGSe thin film using selenization of CIS/CIGS nanopart icles, which includes (a) preparing CIGS or CIS compound nanopart icles as a precursor, (b) preparing a slurry of the nanopart icles, (c) applying the slurry on a substrate in a non-vacuum, thus forming a CIGS or CIS precursor thin film, and (e) thermally treating the precursor thin film at high temperature using a vapor including Se to replace S of the thin film with Se, thus forming a CIGSe or CISe compound thin film, whereby the structure of the CISe/CIGSe compound thin film is highly densified via lattice expansion, ultimately increasing the efficiency of a solar cell using such a thin film.