Charge transfer dependence on CO 2 hydrogenation activity to methanol in Cu nanoparticles covered with metal-organic framework systems

We report the synthesis and characterization of highly active Cu nanoparticles covered with zirconium/hafnium-based metal-organic frameworks for CO hydrogenation to methanol. Compared to , , and composites, UiO-66 acts as the most active support, with producing methanol at a rate 70 times higher tha...

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Bibliographic Details
Published in:Chemical science (Cambridge) 2019-03, Vol.10 (11), p.3289-3294
Main Authors: Kobayashi, Hirokazu, Taylor, Jared M, Mitsuka, Yuko, Ogiwara, Naoki, Yamamoto, Tomokazu, Toriyama, Takaaki, Matsumura, Syo, Kitagawa, Hiroshi
Format: Article
Language:English
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Summary:We report the synthesis and characterization of highly active Cu nanoparticles covered with zirconium/hafnium-based metal-organic frameworks for CO hydrogenation to methanol. Compared to , , and composites, UiO-66 acts as the most active support, with producing methanol at a rate 70 times higher than that of . In addition, the replacement of Zr with Hf in UiO-66 tripled in the rate of methanol production. Furthermore, we describe a substituent effect on the catalytic activity, with providing a three-fold enhancement of methanol production, compared to that of or . The enhanced catalytic activity of Cu nanoparticles depends on the charge transfer degree from Cu nanoparticles to UiO-66 at the interface between Cu nanoparticles and UiO-66.
ISSN:2041-6520
2041-6539
DOI:10.1039/C8SC05441J