Photocatalytic water splitting into H2 and O2 and charge separation mechanism on dye modified KTa(Zr)O3

Tatsumi Ishihara, Hidehisa Hagiwara, Shintaro Ida

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Citation (Scopus)

Abstract

In actual photosynthesis, Z scheme excitation is performed to separate electronic charge with high efficiency by using solar light. In this study, water splitting into H2 and O2 on dye modified KTa(Zr)O3 was investigated and it was found that H2 and O2 formation rate is much improved by dye modification. Charge separation mechanism was further studied with transient spectroscopy and this study reveals that photo excitation in Cr-tetraphenyl porphyrin (Cr-TPP)/KTa(Zr)O3 is analogous with Z scheme in photosynthesis and complete charge separation was achieved at room temperature.

Original languageEnglish
Title of host publicationInternational Conference on Fundamental and Applied Sciences 2012, ICFAS 2012
Pages515-518
Number of pages4
Volume1482
DOIs
Publication statusPublished - Dec 1 2012
Event2nd International Conference on Fundamental and Applied Sciences 2012, ICFAS 2012 - Kuala Lumpur, Malaysia
Duration: Jun 12 2012Jun 14 2012

Other

Other2nd International Conference on Fundamental and Applied Sciences 2012, ICFAS 2012
CountryMalaysia
CityKuala Lumpur
Period6/12/126/14/12

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All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

Cite this

Ishihara, T., Hagiwara, H., & Ida, S. (2012). Photocatalytic water splitting into H2 and O2 and charge separation mechanism on dye modified KTa(Zr)O3 . In International Conference on Fundamental and Applied Sciences 2012, ICFAS 2012 (Vol. 1482, pp. 515-518) https://doi.org/10.1063/1.4757525