Solvothermal controlled growth of Zn-doped SnO2 branched nanorod clusters

Effect of surface treatment of CZTS absorber layer by ammonia solution

“…Two peaks in the Raman spectra at 288 and 338 cm -1 are attributed in A symmetry mode and one peak at 370 cm -1 are attributed in B(LO) mode of CZTS material [21]. The peak [22][23][24]. The existence of this peak suggests that the sample is oxidized.…”

Investigation of p-type SnO2:Zn films deposited using a simplified spray pyrolysis technique

“…In the present study, the thickness of the films was maintained %600 nm as presented in Table 2. As the ionic radius of Zn 2+ (0.74 Å) is close to that of Sn 4+ (0.71 Å), Zn 2+ ions are most preferably substituted in Sn 4+ positions [33]. With the substitution of Sn 4+ ions by Zn 2+ ions, acceptor energy levels are created near the valence band which in turn increases the concentration of holes and these holes would absorb the already existing free electrons in the SnO 2 lattice.…”

Synthesis of SnO$_{2}$ Nanorods by Hydrothermal Method for Gas Sensor Application

“…Among these semiconductor oxides, tin dioxide (SnO 2 ) is an n-type semiconductor with a wide band gap and high chemical stability. It has been widely applied for various devices, such as gas sensor, dye-base solar cell and transparent conducting electrodes [5][6][7][8]. As the gas sensing and other properties of SnO 2 materials are strongly dependent on their size and shape, it is obvious that the controlled synthesis of the nano/microstructure of SnO 2 materials is very important for special applications [13].…”