Modified electrodes with cadmium sulfide nanoparticles (Q-CdS) were fabricated by immobilizing them on a self-assembled monolayer of hexanedithiol prepared on the Au electrode. Photoirradiation of the Q-CdS-modified electrodes in the presence of triethanolamine afforded stable anodic photocurrents. Appreciable reduction (∼3 %) of photocurrent was observed in the presence of (external) magnetic fields (0.5 T). It is suggested that this magnetic field effect is caused by the quantum size effect of Q-CdS.
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