A wide-spectrum-responsive TiO2 photoanode for photoelectrochemical cells
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AbstractA wide-spectrum-responsive photoanode was prepared by coating a 2-5 nm nitrogen-doped carbon (N-C) layer onto TiO2 nanorod array in a solution of glucose and ethanediamine under hydrothermal condition. The nitrogen-doped carbon layer extended the photoresponse of TiO2 nanorod array from UV to NIR region. Besides, the photocurrent of N-C-TiO2 nanorod array was superior to that of pristine TiO2 nanorod arrays with an on-set potential shifted negatively by 0.1 V. The N-C layer was found to behave like a p-type semiconductor and formed a p-n junction with the n-type TiO2 nanorods. The N-C layer facilitated charge transportation and contributed to the generation of photocurrent under Vis and NIR illumination. (C) 2015 Elsevier B.V. All rights reserved.
All Author(s) ListHu ZF, Yu JC, Ming T, Wang JF
Journal nameApplied Catalysis B: Environmental
Volume Number168
Pages483 - 489
LanguagesEnglish-United Kingdom
KeywordsNitrogen-doped; Photoelectrochemical cell; TiO2 nanorod; Wide spectrum
Web of Science Subject CategoriesChemistry; Chemistry, Physical; Engineering; Engineering, Chemical; Engineering, Environmental

Last updated on 2021-27-11 at 00:13