Charge transfer dependence on CO2 hydrogenation activity to methanol in Cu nanoparticles covered with metal-organic framework systems

Hirokazu Kobayashi, Jared M. Taylor, Yuko Mitsuka, Naoki Ogiwara, Tomokazu Yamamoto, Takaaki Toriyama, Syo Matsumura, Hiroshi Kitagawa

研究成果: ジャーナルへの寄稿記事

抄録

We report the synthesis and characterization of highly active Cu nanoparticles covered with zirconium/hafnium-based metal-organic frameworks for CO2 hydrogenation to methanol. Compared to Cu/γ-Al2O3, Cu/ZIF-8, Cu/MIL-100 and Cu/UiO-66 composites, UiO-66 acts as the most active support, with Cu/Zr-UiO-66 producing methanol at a rate 70 times higher than that of Cu/γ-Al2O3. In addition, the replacement of Zr4+ with Hf4+ in UiO-66 tripled in the rate of methanol production. Furthermore, we describe a substituent effect on the catalytic activity, with Cu/Zr-UiO66-COOH providing a three-fold enhancement of methanol production, compared to that of Zr-UiO-66 or Zr-UiO66-NH2. 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.

元の言語英語
ページ(範囲)3289-3294
ページ数6
ジャーナルChemical Science
10
発行部数11
DOI
出版物ステータス出版済み - 1 1 2019

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Hydrogenation
Methanol
Charge transfer
Thermodynamic properties
Metals
Nanoparticles
Catalyst activity
Hafnium
Composite materials

All Science Journal Classification (ASJC) codes

  • Chemistry(all)

これを引用

Kobayashi, H., Taylor, J. M., Mitsuka, Y., Ogiwara, N., Yamamoto, T., Toriyama, T., ... Kitagawa, H. (2019). Charge transfer dependence on CO2 hydrogenation activity to methanol in Cu nanoparticles covered with metal-organic framework systems. Chemical Science, 10(11), 3289-3294. https://doi.org/10.1039/c8sc05441j

Charge transfer dependence on CO2 hydrogenation activity to methanol in Cu nanoparticles covered with metal-organic framework systems. / Kobayashi, Hirokazu; Taylor, Jared M.; Mitsuka, Yuko; Ogiwara, Naoki; Yamamoto, Tomokazu; Toriyama, Takaaki; Matsumura, Syo; Kitagawa, Hiroshi.

:: Chemical Science, 巻 10, 番号 11, 01.01.2019, p. 3289-3294.

研究成果: ジャーナルへの寄稿記事

Kobayashi, H, Taylor, JM, Mitsuka, Y, Ogiwara, N, Yamamoto, T, Toriyama, T, Matsumura, S & Kitagawa, H 2019, 'Charge transfer dependence on CO2 hydrogenation activity to methanol in Cu nanoparticles covered with metal-organic framework systems' Chemical Science, 巻. 10, 番号 11, pp. 3289-3294. https://doi.org/10.1039/c8sc05441j
Kobayashi, Hirokazu ; Taylor, Jared M. ; Mitsuka, Yuko ; Ogiwara, Naoki ; Yamamoto, Tomokazu ; Toriyama, Takaaki ; Matsumura, Syo ; Kitagawa, Hiroshi. / Charge transfer dependence on CO2 hydrogenation activity to methanol in Cu nanoparticles covered with metal-organic framework systems. :: Chemical Science. 2019 ; 巻 10, 番号 11. pp. 3289-3294.
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abstract = "We report the synthesis and characterization of highly active Cu nanoparticles covered with zirconium/hafnium-based metal-organic frameworks for CO2 hydrogenation to methanol. Compared to Cu/γ-Al2O3, Cu/ZIF-8, Cu/MIL-100 and Cu/UiO-66 composites, UiO-66 acts as the most active support, with Cu/Zr-UiO-66 producing methanol at a rate 70 times higher than that of Cu/γ-Al2O3. In addition, the replacement of Zr4+ with Hf4+ in UiO-66 tripled in the rate of methanol production. Furthermore, we describe a substituent effect on the catalytic activity, with Cu/Zr-UiO66-COOH providing a three-fold enhancement of methanol production, compared to that of Zr-UiO-66 or Zr-UiO66-NH2. 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.",
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AU - Taylor, Jared M.

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AU - Ogiwara, Naoki

AU - Yamamoto, Tomokazu

AU - Toriyama, Takaaki

AU - Matsumura, Syo

AU - Kitagawa, Hiroshi

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