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Thin films of SnO 2 :Sb were prepared by ultrasonic spray pyrolysis method. The role of antimony in the SnO 2 is demonstrated by FTIR. It is found that at low Sb concentrations, the Sb ions prefer to substitute Sn 4+ in form of Sb 5+ . While beyond a certain Sb concentration, Sb ions start to be reduced to Sb 3+ , which have a negative effect on carrier concentration...
The boron-doped SnO 2 (BTO) films were prepared by spray pyrolysis. The XRD results shows the preferred orientation of the BTO films changes from plane (110) to (101) as the increasing of boron concentration in SnO 2 , which further leads to the variation of grains shape on the surfaces. The FTIR and Hall-Effect results indicate the solution process: the boron ions prefer to occupy...
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