Rapid thermal annealing assisted stability and efficiency enhancement in a sputter deposited CuO photocathode
作者： Saeid Masudy-Panah , Roozbeh Siavash Moakhar , Chin Sheng Chua , Ajay Kushwaha , Ten It Wong
DOI: 10.1039/C6RA03383K
关键词:
摘要: We designed a stable and efficient CuO based photocathode by tuning the crystallinity surface morphology of films rapid thermal treatment. The role annealing temperature on film crystallinity, optical absorption grain size is studied. impact these parameters upon photocatalytic water splitting performance investigated. observed that higher improves increases film, which significantly enhance photocurrent generation capability. Rapid at 550 °C found best to achieve highest PEC performance. thickness photocathodes also optimized we nm thick results in 1.68 mA cm−2. Our has shown better stability against photo-corrosion 30% decrease initial value measured after 15 min, while 60% noticed case as-deposited film.
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