title: Microwave-assisted Bi₂Se₃ nanoparticles using various organic solvents.
abstract: Microwave assisted Bi2Se3 nanoparticles were synthesized from five different solvents DMF, EG, EG+H2O, EDA+dil.HNO3 and N2H4+H2O+Ethanol. The influence of solvents on purity of the compound was analysed by using X-ray diffraction patterns. The result indicates pure rhombohedral Bi2Se3 nanoparticles formed for N2H4+H2O+Ethanol. The presence of vibrational bands in the range of 400-800 cm(-1) is confirmed the formation of Bi2Se3. The maximum optical absorption observed around 450 nm and the band gap values are found in the range of 1.5 eV-2.17 eV for all the solvents. The nanostructure of the Bi2Se3 particles change with solvents. From the experimental results, the solvent N2H4+H2O+Ethanol produces pure nanosize Bi2Se3 particles under the microwave assisted method.
authors.affiliation: Department of Physics, Manonmaniam Sundaranar University, Tirunelveli 627012, Tamil Nadu, India.
authors.forename: J Joy Jeba
authors.initials: JJ
authors.lastname: Vijila
authors.affiliation: Department of Physics, Manonmaniam Sundaranar University, Tirunelveli 627012, Tamil Nadu, India. Electronic address: kmohanraj.msu@gmail.com.
authors.forename: K
authors.initials: K
authors.lastname: Mohanraj
authors.affiliation: Department of Physics, Manonmaniam Sundaranar University, Tirunelveli 627012, Tamil Nadu, India.
authors.forename: J
authors.initials: J
authors.lastname: Henry
authors.affiliation: CISL, Department of Physics, Annamalai University, Annamalai Nagar 608002, Tamil Nadu, India.
authors.forename: G
authors.initials: G
authors.lastname: Sivakumar
keywords: Bismuth selenide; Dimethylformamide; Ethylene glycol; Ethylenediamine; Hydrazine hydrate; Microwave-assisted method