Structure and morphology of the indium hydroxy sulphide thin films

We have investigated the structure and surface morphology of chemical-bath-deposited CBD.indium hydroxy sulphide thin film using InCl3, thioacetamide TA.and acetic acid AcOH.. We have found that films are polycrystalline and their structure depends on deposition conditions. When low TA and AcOH concentrations are used, In5S4 is obtained; nevertheless, as these concentrations are increased, films are composed by a mixture of the cubic a- and b-In2S3 phases. The film composition obtained by energy-dispersive X-ray analysis EDS.shows that samples are sulphur deficient SrIn ratios between 0.5 and 1.2.. The surface morphology of the films suggests two different growth mechanisms. Which one takes place seems to be related to reactant concentrations, especially to AcOH concentration. q2000 Elsevier Science B.V. All rights reserved.