期刊
JOURNAL OF PHOTONICS FOR ENERGY
卷 7, 期 2, 页码 -出版社
SPIE-SOC PHOTO-OPTICAL INSTRUMENTATION ENGINEERS
DOI: 10.1117/1.JPE.7.026501
关键词
photocatalysis; calcium iron oxide; microbial electrolysis cell; hydrogen
资金
- National Natural Science Foundation of China (NSFC) [21606175]
A microbial photoelectrochemical cell (MPEC) was designed with a p-type CaFe2O4 semiconductor as the photoelectrode for simultaneous hydrogen and electricity production under light illumination. The CaFe2O4 photoelectrode was synthesized by the sol-gel method and well characterized by x-ray diffraction, field emission scanning electron microscope, and UV-Vis-NIR spectrophotometer. The linear sweep voltammogram of the CaFe2O4 photoelectrode presented the cathodic photocurrent output. For the MPEC, with an external resistance of 2000 Omega, the maximum power density of 143 mW . m(-2) was obtained. Furthermore, with an external resistance of 100 Omega, the maximum hydrogen production rate of 6.7 mu L . h(-1) . cm(-2) could be achieved. The MPEC with CaFe2O4 photocathode was compared to MPEC with other photocathodes as well as photocatalytic water splitting technology. (C) 2017 Society of Photo-Optical Instrumentation Engineers (SPIE)
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