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http://dx.doi.org/10.7316/KHNES.2017.28.5.447

Photocatalytic Dehydrogenation of Potassium Formate Over Pd/TiO2  

JEON, MINA (Fuel Cell Research Center, Korea Institute of Science and Technology)
CHOI, SU BIN (Fuel Cell Research Center, Korea Institute of Science and Technology)
DOH, HYUNMI (Fuel Cell Research Center, Korea Institute of Science and Technology)
PARK, HYUN S. (Fuel Cell Research Center, Korea Institute of Science and Technology)
YOON, CHANG WON (Fuel Cell Research Center, Korea Institute of Science and Technology)
NAM, SUK WOO (Fuel Cell Research Center, Korea Institute of Science and Technology)
Publication Information
Transactions of the Korean hydrogen and new energy society / v.28, no.5, 2017 , pp. 447-452 More about this Journal
Abstract
A $Pd/TiO_2$ catalyst was prepared by a conventional impregnation method, and further characterized using transmission electron microscopy (TEM), X-ray diffraction (XRD), X-ray photoelectron spectroscopy (XPS), and UV-Vis spectroscopy. The as-prepared material was employed to accelerate dehydrogenation of potassium formate in the presence of light at different temperatures. The $Pd/TiO_2$ catalyst showed distinct dehydrogenation activities, and particularly, the material exhibited a higher turnover frequency (TOF) of $2,097h^{-1}$ at $80^{\circ}C$ after 10 minutes in the presence of light compared to that (TOF of $1,477h^{-1}$) obtained in the absence of light. Numerous analytical techniques suggest that the increased dehydrogenation activity likely originates from light-excited electron and hole at the photocatalyst, i.e., $TiO_2$, in conjunction with metal-support interaction.
Keywords
Palladium; $TiO_2$; Photolysis; Potassium formate; Dehydrogenation;
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