Abstract
Communicated by Ramaswamy H. Sarma
Acknowledgements
R. R. gratefully acknowledges the authorities of the Bharathiar University, Coimbatore, India, for the award of University Research Fellowship (URF). Dr. A.S. acknowledges SERB, Government of India, for National Postdoctoral Fellowship scheme [PDF/2016/002815]. Dr. S. Abraham John, Professor, Department of Chemistry, Gandhigram Rural Institute, is gratefully acknowledged for allowing us to record the temperature-dependent emission spectral analysis.
Disclosure statement
No potential conflict of interest was reported by the authors.