Abstract
ZnS thin films have been synthesized by hydrothermal route on seeded glass and silicon substrates at various temperatures. The seeded substrates were prepared by RF magnetron sputtering technique. X-ray diffraction and transmission electron microscopic studies confirmed the good crystallinity and proper phase formation of the synthesized films. Synthesis temperature played an important role in improving crystallinity of the samples. Morphological information and the particle size were obtained from the field emission scanning electron microscopic measurement. Bonding information was obtained from FTIR studies. Determination of the band gap from the UV–vis-NIR spectrophotometric measurement showed that it decreased from 3.48 to 3.23 eV with increase of particle dimensions. The samples exhibited intense cathodoluminescence and photoluminescence while the blue emission intensity varied with increase in synthesis temperature.
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Acknowledgement
One of us (RK) wishes to thank the Council of Scientific & Industrial Research (CSIR), the Government of India for awarding her a Senior Research Fellowship during the execution of the work. The authors would like to thank the University Grants Commission (UGC), the Government of India, for the ‘University with potential for excellence (UPE II)’ scheme.
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Khan, R., Das, N.S. & Chattopadhyay, K.K. Cathodoluminescence and photoluminescence from ZnS thin films deposited by novel seeded hydrothermal route. J Mater Sci: Mater Electron 30, 19189–19198 (2019). https://doi.org/10.1007/s10854-019-02276-y
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DOI: https://doi.org/10.1007/s10854-019-02276-y