solar hydrogen project group update 1 st september 2009
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Solar Hydrogen Project
Group Update
1st September 2009
Solar Hydrogen Project
Palang Bumroongsakulsawat
1st September 2009
3-layer WO3
Dark
Illumination
3-layer WO3
Dark
Illumination
5-layer WO3
Dark
Illumination
5-layer WO3
Dark
Illumination
SD Update
• Solar simulator:– Proposed visit for Wed postponed to Thursday (?)
• WO3: derivatisation with Ir/IrOx: – Ir-oxalate method appears to give permanent “Ir”-
coated surface (by voltammetry)
• WO3: additional data for Ir derivatisation to be analysed
CV in 1M H2SO4 (dark)
-0.10
-0.05
0.00
0.05
0.10
0.15
0.20
0.25
-0.1 0.1 0.3 0.5 0.7 0.9
E (V) vs. Silver Wire
Curr
ent D
ensi
ty (A
/m2 )