Solar hydrogen production by tandem cell system composed of metal oxide semiconductor film photoelectrode and dye-sensitized solar cell

H. Arakawa; C. Shiraishi; M. Tatemoto; H. Kishida; D. Usui; A. Suma; A. Takamisawa; T. Yamaguchi

doi:10.1117/12.773366

11 September 2007 Solar hydrogen production by tandem cell system composed of metal oxide semiconductor film photoelectrode and dye-sensitized solar cell

H. Arakawa, C. Shiraishi, M. Tatemoto, H. Kishida, D. Usui, A. Suma, A. Takamisawa, T. Yamaguchi

Author Affiliations +

Proceedings Volume 6650, Solar Hydrogen and Nanotechnology II; 665003 (2007) https://doi.org/10.1117/12.773366
Event: Solar Energy + Applications, 2007, San Diego, California, United States

Abstract

Photocatalytic and photoelectrochemical approaches to solar hydrogen production in our group were introduced. In photocatalytic water splitting system using NiO_x/ TiO₂ powder photocatalyst with concentrated Na₂CO₃ aqueous solution, solar energy conversion efficiency to H₂ and O₂ production (STH efficiency) was 0.016%. In addition, STH efficiency of visible light responding photocatalyst, NiOx/ promoted In_0.9Ni_0.1TaO₄, was estimated at 0.03%. In photoelectrochemical system using an oxide semiconductor film phptoelectrode, STH efficiencies of meosporous TiO₂ (Anatase) , mesoporous visible light responding S-doped TiO₂ (Anatase) and WO₃ film were 0.32-0.44% at applied potential of 0.35 V vs NHE, 0.14% at 0.55 V and 0.44% at 0.9 V, respectively. Finally, solar hydrogen production by tandem cell system composed of an oxide semiconductor photoelectrode, a Pt wire counter electrode and a dye-sensitized solar cell (DSC) was investigated. As photoelectrodes, meosporous TiO₂ (Anatase), mesoporous S-doped TiO₂ (Anatase), WO₃, BiVO₄ and Fe₂O₃ film were tested. STH efficiency of tandem cell system composed of a WO₃ film photoelectrode, and a two-series-connected DSC (Voc = 1.4 V) was 2.5-2.8%. In conclusion, it is speculated that more than 5% STH efficiency will be obtained by tandem cell system composed of an oxide semiconductor photoelectrode and a two-series-connected DSC in near future. This suggests a cost-effective and practical application of this system for solar hydrogen production.

Citation Download Citation

H. Arakawa, C. Shiraishi, M. Tatemoto, H. Kishida, D. Usui, A. Suma, A. Takamisawa, and T. Yamaguchi "Solar hydrogen production by tandem cell system composed of metal oxide semiconductor film photoelectrode and dye-sensitized solar cell", Proc. SPIE 6650, Solar Hydrogen and Nanotechnology II, 665003 (11 September 2007); https://doi.org/10.1117/12.773366

ACCESS THE FULL ARTICLE

INSTITUTIONAL
Select your institution to access the SPIE Digital Library.

SELECT YOUR INSTITUTION

PERSONAL
Sign in with your SPIE account to access your personal subscriptions or to use specific features such as save to my library, sign up for alerts, save searches, etc.

PERSONAL SIGN IN

No SPIE Account? Create one

PURCHASE THIS CONTENT

SUBSCRIBE TO DIGITAL LIBRARY

50 downloads per 1-year subscription

Members: $195

Non-members: $335 ADD TO CART

25 downloads per 1 - year subscription

Members: $145

Non-members: $250 ADD TO CART

PURCHASE SINGLE ARTICLE

Includes PDF, HTML & Video, when available