A scalable colloidal approach to prepare hematite films for efficient solar water splitting

Zong, Xu, Thaweesak, Supphasin, Xu, Hongyi, Xing, Zheng, Zou, Jin, Lu, Gaoqing (Max) and Wang, Lianzhou (2013) A scalable colloidal approach to prepare hematite films for efficient solar water splitting. Physical Chemistry Chemical Physics, 15 29: 12314-12321. doi:10.1039/c3cp52153b


Author Zong, Xu
Thaweesak, Supphasin
Xu, Hongyi
Xing, Zheng
Zou, Jin
Lu, Gaoqing (Max)
Wang, Lianzhou
Title A scalable colloidal approach to prepare hematite films for efficient solar water splitting
Journal name Physical Chemistry Chemical Physics   Check publisher's open access policy
ISSN 1463-9076
1463-9084
Publication date 2013-08-07
Sub-type Article (original research)
DOI 10.1039/c3cp52153b
Volume 15
Issue 29
Start page 12314
End page 12321
Total pages 8
Place of publication Cambridge, United Kingdom
Publisher R S C Publications
Collection year 2014
Language eng
Formatted abstract
The development of technologically and economically viable strategies for large-scale fabrication of photoelectrodes is crucial for solar H2 production from photoelectrochemical water splitting. Herein, a low-cost and facile colloidal electrophoretic deposition approach was developed for scalable fabrication of hematite (α-Fe2O3) films. Large-sized uniform films (e.g. 80 mm × 70 mm) with tailored thickness and nanostructures can be easily prepared on conductive substrates within 2 minutes. The resultant films showed a high photocurrent of ~1.1 mA cm−2 at 1.23 VRHE under standard AM 1.5G illumination, which is among the highest reported values achieved on hematite films prepared using other complex colloidal approaches. The present work will pave a new avenue for fabrication of efficient photoelectrodes toward practically viable solar H2 production.
Keyword Thin-films
Photoanodes
Oxidation
Nanostructure
Nanocrystals
Electrodes
Dynamics
Light
Oxide
Q-Index Code C1
Q-Index Status Confirmed Code
Institutional Status UQ

 
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