Abstract
Heavy metal-free CuInS2 quantum dots (QDs) were employed as a photosensitizer on a NiO photocathode to drive an immobilized molecular Re catalyst for photoelectrochemical CO2 reduction for the first time. A photocurrent of 25 μA cm-2 at -0.87 V vs. NHE was obtained, providing a faradaic efficiency of 32% for CO production.
Highlights
Jing Huang,‡a Bo Xu, a Lei Tian,a Palas Baran Pati,a Ahmed S
A typical DSSFD5 consists of a photoanode and a photocathode based on nano-porous electrodes with large band gap n-type and p-type semiconductors, respectively, decorated with photosensitizers and molecular catalysts
Development of the photocathode is important for the overall performance and fuel products of a Dye-sensitized solar fuel devices (DSSFDs)
Summary
Jing Huang,‡a Bo Xu, a Lei Tian,a Palas Baran Pati,a Ahmed S. A heavy metal-free CuInS2 quantum dot sensitized NiO photocathode with a Re molecular catalyst for photoelectrochemical CO2 reduction†
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