Journal
CORROSION SCIENCE
Volume 166, Issue -, Pages -Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.corsci.2020.108441
Keywords
TiO2/MgTixOy; Multiphase-heterojunction film; SKP; Photoelectrochemical cathodic protection; Stability
Funding
- National Natural Science Foundation of China [41576114, 41676069]
- Key Research and Development Program of Shandong Province [2019GHY112066, 2019GHY112085]
- State Key Laboratory for Marine Corrosion and Protection, Luoyang Ship Material Research Institute, China [614290101011703]
- Qingdao Innovative Leading Talent Foundation [15-10-3-15-(39)-zch]
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Heterojunction engineering, as a rising star in the photoelectrochemical cathodic protection (PECCP) field, contributes to promote the separation of the photoinduced electrons and holes. In this paper, the TiO2/MgTixOy multiphase-heterojunction film was prepared and its PECCP performance was studied. Due to a good energy band alignment gradient formed between the multiphases, the separation efficiency of the photoinduced electrons and holes generated by TiO2/MgTixOy, are dramatically enhanced, leading to its good PECCP performance and high stability. SKP is, for the first time, used to study the surface work function of the TiO2/MgTixOy multiphase-heterojunction film for characterizing its PECCP performance.
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