FIELD: chemistry.
SUBSTANCE: solution contains indium (III) salt, tartaric acid, thioacetamide, hydroxylamine hydrochloride with the following reagent concentration, mol/l: indium(III) salt - 0.01-0.2; thioacetamide - 0.01-0.5; tartaric acid - 0.005-0.2; hydroxylamine hydrochloride - 0.005-0.15.
EFFECT: invention makes it possible to obtain films of indium sulphide, which are characterised by higher values of thickness with the simultaneous preservation of high quality of the film surface.