[Roy, Soumyajit; Thomas, Preethi; Mallick, Apabrita] Cent China Normal Univ, Coll Chem, EFAML, 152 Luoyu Rd, Wuhan 430079, Hubei, Peoples R China.
[Roy, Soumyajit; Thomas, Preethi; Mallick, Apabrita] Indian Inst Sci Educ & Res Kolkata, Ctr Mat Sci, EFAML, Dept Chem Sci, Mohanpur 741246, W Bengal, India.
[Banerjee, Ayan; Ghosh, Subhrokoli] Indian Inst Sci Educ & Res Kolkata, Dept Phys Sci, Mohanpur 741246, W Bengal, India.