“…SnO 2 with various nano-and microstructures, such as nanoparticles, nanorods, nanobelts, hollow microspheres, nanoflowers, nanoperticles, nanowhiskers nanowires and mesoporous structures [8,[10][11][12][13] has been prepared successfully by different methods. Up to now various methods including molten-salt synthesis [14], chemical precipitation [8], sonochemical [15] carbothermal reduction [16], sol-gel [17], hydrothermal method [13], microwave technique [18], and r.f.…”