H2Fuels from Photocatalytic Splitting of Seawater Affected by Nano-TiO2Promoted with CuO and NiO | Zendy

A.-J. Simamora | Zendy; Fang-Chih Chang | Zendy; H. Paul Wang | Zendy; T.-C. Yang | Zendy; YuLing Wei | Zendy; WeiCheng Lin | Zendy

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H₂Fuels from Photocatalytic Splitting of Seawater Affected by Nano-TiO₂Promoted with CuO and NiO

Author(s) -

A.-J. Simamora,

Fang-Chih Chang,

H. Paul Wang,

T.-C. Yang,

YuLing Wei,

WeiCheng Lin

Publication year - 2013

Publication title -

international journal of photoenergy

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.426

H-Index - 51

eISSN - 1687-529X

pISSN - 1110-662X

DOI - 10.1155/2013/419182

Subject(s) - seawater , photocatalysis , non blocking i/o , oxalic acid , materials science , reagent , nuclear chemistry , nano , photocatalytic water splitting , inorganic chemistry , water splitting , chemistry , catalysis , organic chemistry , oceanography , composite material , geology

To enhance H2 yields from the photocatalytic splitting of seawater, better photocatalysts such as nanostructured TiO2 promoted with NiO (2.5%) and CuO (2.5%) have been studied in the present work. The accumulated H2 yielded from the photocatalytic splitting of seawater containing oxalic acid (50 mM) as the sacrificial reagents on CuO/nano-TiO2 is 8.53 μmol/gcat after the 5 h radiation. On the NiO/nano-TiO2 photocatalyst, the H2 yield is relatively low (i.e., 1.46 μmol/gcat). Note that the hole scavenging with chlorides in seawater may be associated with the less H2 yielded from the seawater photocatalysis (on CuO/nano-TiO2) if compared with that from water (42.4 μmol/gcat)

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