Abstract
Conductive cadmium stannate (Cd 2SnO 4,) films were grown by a simple spray-pyrolysis technique using aerosols ultrasonically generated from solutions containing Cd(thd) 2(TMEDA) and n Bu 2Sn(AcAc) 2, and monoglyme as solvent (thd = 2,2,6,6-tetramethyl-3,5-heptanedionate, TMEDA = N, N, N′, N′-tetramethylethylenediamine, AcAc = acethylacetonate). The overall film growing procedure was carried out at or below 400 °C thus allowing low-melting temperature materials like glass to be used as film substrates. Typical resistivity values of Cd 2SnO 4 films were found to be ∼ 2 · 10 −3 Ωcm. The films exhibit excellent electrochemical activity with comparable or higher electron transfer rates than cadmium stannate films obtained via sol–gel methods at high annealing temperature.
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