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Photoelectrochemical behavior of compact and inverse opal tungsten trioxide films: Surface area and charge transfer properties
- Authors
- 유승호
- Issue Date
- 1월-2015
- Publisher
- ELECTROCHEMICAL SOCIETY INC.ECS@ELECTROCHEM.ORG
- Citation
- JOURNAL OF THE ELECTROCHEMICAL SOCIETY, v.162, no.7, pp.H449 - H452
- Indexed
- SCIE
SCOPUS
- Journal Title
- JOURNAL OF THE ELECTROCHEMICAL SOCIETY
- Volume
- 162
- Number
- 7
- Start Page
- H449
- End Page
- H452
- ISSN
- 0013-4651
- Abstract
- A compact and nanoporous structured WO<inf>3</inf> film was prepared by electrodeposition. For a nanoporous structured WO<inf>3</inf> film, polystyrene (PS) beads with a size of 320 nm were used as the template. The PS beads were completely removed by the thermal treatment, affording inverse opal WO<inf>3</inf> films. For the inverse opalWO<inf>3</inf> film (1 min), the highest photocurrent density (1.75 mA/cm<sup>2</sup> at 1.5 V versus sat. Ag/AgCl) was achieved and exhibited a superior PEC performance, up to ∼46% compared to the compact WO<inf>3</inf> film.
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