A two-anode reduction technique to monitor the defect and dope the surface of TiO2 nanotube array as photo-anode for water splitting

Hou, Xuelan; Jiang, Shaohong; Li, Yongdan

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A two-anode reduction technique to monitor the defect and dope the surface of TiO2 nanotube array as photo-anode for water splitting

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Title:	A two-anode reduction technique to monitor the defect and dope the surface of TiO2 nanotube array as photo-anode for water splitting
Author(s):	Hou, Xuelan ; Jiang, Shaohong ; Li, Yongdan
Date:	2019-12-05
Language:	en
Department:	Department of Applied Physics Tianjin University Department of Chemical and Metallurgical Engineering
Series:	Applied Catalysis B: Environmental, Volume 258
ISSN:	0926-3373 1873-3883
DOI-number:	10.1016/j.apcatb.2019.117949
Keywords:	Anodic oxidation, Black TiO nanotubes, C and N co-doping TiO nanotubes, Photoelectrochemial water splitting, Two-anode reduction
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Citation: Hou , X , Jiang , S & Li , Y 2019 , ' A two-anode reduction technique to monitor the defect and dope the surface of TiO 2 nanotube array as photo-anode for water splitting ' , Applied Catalysis B: Environmental , vol. 258 , 117949 . https://doi.org/10.1016/j.apcatb.2019.117949
Abstract: A two-anode reduction (TAR) technique is adopted to prepare, in one step without the existence of gaseous hydrogen, black TiO2 nanotubes co-doped with carbon and nitrogen. A sample prepared with the TAR technique for 2 min achieved the highest photocurrent response as 2.05 mA/cm2, which is 3 times as high as that of the pristine TiO2 nanotubes. A synergistic effect between black hydrogenation and C, N co-doping is observed. The light absorption in the whole ultraviolet-visible (UV–vis) range is also greatly enhanced.

Permanent link to this item: http://urn.fi/URN:NBN:fi:aalto-201908154805 Email this Export to RefWorks QR Code Print BibTex Tweet