Studies on Photoelectrochemical Properties of SnO2 Films Prepared from Organic Resinate Solution

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Abstract
Tin oxide thick films have been prepared on glass surfaces from organometallic tin resinate solutions, and their photoelectrochemical properties have been studied. The antimony‐doped tin oxide film showed similar photoelectrochemical properties to those of the single crystal electrode. No anodic dark current was observed for the electrolysis of water up to the bias potential of 2.0V vs. SCE and saturation currents were observed upon illumination. These and other results indicate that films prepared from the resinate show purer semiconducting properties with less degenerate energy levels than those prepared from aqueous . Possible reasons are discussed from experimental observations.

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