Abstract
The emergence of an electric field controlled memristive effect paves the way for efficient resistive memory and future computing applications. The photo-induced memristive effects provide an additional degree of freedom by utilizing the photonic stimulus. Considering this strategy, the present work reports synthesis, characterization and exploration of the resistive switching (RS) effect of the CdS-sensitized TiO2 nanorod array-based memristive device. The Al/CdS-sensitized TiO2/FTO thin-film device demonstrates the Ultraviolet–Visible (UV–Vis) induced RS behavior and non-volatile memory properties. The memory device shows 103 cyclic switchings and can retain data up to 103 s. The device conduction analysis reveals that the Ohmic, Child's square law and Schottky models were well fitted to the experimental I–V data and responsible for current conduction in the Al/CdS-sensitized TiO2/FTO memory device. The results of the present work are beneficial for several applications that include light-responsive memory, synaptic and sensor devices.
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