Table of Contents
Conference Papers in Energy
Volume 2013 (2013), Article ID 483628, 4 pages
http://dx.doi.org/10.1155/2013/483628
Conference Paper

Substrate Rotation Chemical Bath Deposition of Cadmium Sulfide Buffer Layers for Thin Film Solar Cell Application

Centre for Nanotechnology, BHEL Corporate R & D, Vikasnagar, Hyderabad 500093, India

Received 31 December 2012; Accepted 30 April 2013

Academic Editors: P. Agarwal, B. Bhattacharya, and U. P. Singh

This Conference Paper is based on a presentation given by Kshitij Taneja at “International Conference on Solar Energy Photovoltaics” held from 19 December 2012 to 21 December 2012 in Bhubaneswar, India.

Copyright © 2013 Kshitij Taneja et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

A method for deposition of cadmium sulfide (CdS) buffer layer thin films on fluorine-doped tin oxide (FTO) glass, by chemical bath deposition (CBD), has been modified. For achieving relatively uniform and pin-hole-free CdS films, substrate rotation, concentration of CdS salts, and deposition time were optimized. The deposited films were characterized by UV-Vis-NIR spectroscopy, scanning electron microscopy (SEM), X-ray diffraction (XRD), and atomic force microscopy (AFM). Band gap of ~2.4 eV was measured by UV-Vis-NIR spectroscopy, CdS phase was confirmed by XRD, and film uniformity and roughness (~15–20 nm) were measured by SEM and AFM, respectively.