Effect of bath temperature and concentration of buffer salt on the optoelectronic characteristics of CdS thin films synthesised by chemical bath deposition method. (1st February 2016)

• Record Type: Journal Article
• Authors: Kakhaki, Zahra Makhdoumi; Youzbashi, Amirali; Sangpour, Parvaneh; Naderi, Nima; Kazemzadeh, Asghar
• Is Part Of: Micro & nano letters. Volume 11:Number 2(2016)
• Page Start: 81
• Page End: 85
• Publication Date: 2016-02-01
• Subjects: cadmium compounds -- II‐VI semiconductors -- wide band gap semiconductors -- semiconductor thin films -- liquid phase deposition -- semiconductor growth -- photoconductivity -- photodetectors; bath temperature -- buffer salt concentration -- optoelectronic characteristics -- thin films -- chemical bath deposition -- glass substrate -- cadmium chloride -- thiourea -- ammonium nitrate -- ammonia -- pH controller -- complexing agent -- structural properties -- compositional properties -- optical properties -- photodetectors -- photosensitivity -- response time -- photocurrent -- temperature 65 degC -- CdS -- SiO2; Nanotechnology -- Periodicals; Nanostructures -- Periodicals; Microtechnology -- Periodicals; 620.5
• DOI: 10.1049/mnl.2015.0414
• Languages: English
• ISSNs: 1750-0443

Abstract

Abstract : CdS thin films were deposited onto glass substrate by the chemical bath deposition method, using cadmium chloride (CdCl2 ) as a source of cadmium, thiourea (CS(NH2 )2 ) as a source of sulphur, ammonium nitrate (NH4 NO3 ) as buffer salt and ammonia as pH controller and complexing agent. The effects of the deposition temperature and the concentration of ammonium nitrate on the structural, compositional, optical and optoelectrical properties of CdS thin films were investigated. The optimised sample was utilised for fabrication of photodetectors. A high photosensitivity and a short response time was reported for the photodetectors based on the sample with the bath temperature of 65°C and concentration of ammonium nitrate of 1.5 M compare with the other samples.