CoAl2O4–Fe2O3 pn nanocomposite electrodes for photoelectrochemical cells
CoAl 2 O 4–Fe 2 O 3 pn nanocomposite electrodes were deposited on Ag-coated stainless-
steel substrates and annealed at 800 C. Their photoelectrochemical (PEC) properties were
investigated and compared with that of p-type CoAl 2 O 4 films. We found that the
nanocomposite electrodes exhibit much improved PEC photoresponse as compared to the
reference p-type CoAl 2 O 4 electrodes. We speculate that the enhancement is due to the
formation of a three-dimensional junction between p-type CoAl 2 O 4 and n-type Fe 2 O 3 …
steel substrates and annealed at 800 C. Their photoelectrochemical (PEC) properties were
investigated and compared with that of p-type CoAl 2 O 4 films. We found that the
nanocomposite electrodes exhibit much improved PEC photoresponse as compared to the
reference p-type CoAl 2 O 4 electrodes. We speculate that the enhancement is due to the
formation of a three-dimensional junction between p-type CoAl 2 O 4 and n-type Fe 2 O 3 …
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