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Maximum power spectroscopy of n-type a-Si:H, c-Si, CdSe, and InP in nonaqueous photoelectrochemical cells

Journal Article · · J. Electrochem. Soc.; (United States)
DOI:https://doi.org/10.1149/1.2113836· OSTI ID:5633617
Amorphous silicon photoanodes in a nonaqueous photoelectrochemical cell show wavelength dependence of their power outputs. This behavior has been studied by maximum power spectroscopy (MPS) and compared to similar experiments with conventional short-circuit spectroscopy. The derivative maximum power output under constant chopped input power (MPS) shows dependence on the wavelength distribution in superimposed fixed beams, whereas the conventional short-circuit measurements do not. Single-crystal substrates of n-Si, n-CdSe, and n-InP do not show any differences between the spectroscopies. Rotating ring-disk electrode studies confirm the regenerative behavior of the n-CdSe and n-InP electrodes with the Fe(HOCH2Cp)2 - Fe(HOCH2Cp)2(+) couple in LiClO4/methanol solution. Fe(HOCH2Cp)2 hydroxymethyl ferrocene. 12 references.
Research Organization:
AT and T Bell Labs., Murray Hill, NJ
OSTI ID:
5633617
Journal Information:
J. Electrochem. Soc.; (United States), Journal Name: J. Electrochem. Soc.; (United States) Vol. 132; ISSN JESOA
Country of Publication:
United States
Language:
English