Oxidation of Benzyl Alcohol over Nanoporous Au–CeO2 Catalysts Prepared from Amorphous Alloys and Effect of Alloying Au with Amorphous Alloys

Autor: Yasutaka Kuwahara, Ai Nozaki, Tetsutaro Ohmichi, Takeshi Nagase, Hiroyuki Y. Yasuda, Kohsuke Mori, Hiromi Yamashita, Tasuku Yasuoka

Publikováno v: Industrial & Engineering Chemistry Research. 57:5599-5605

Au–CeO2 catalysts are prepared from amorphous Ce–Al alloys by the dealloying method, and their catalytic performances are examined in the oxidation of benzyl alcohol to benzaldehyde using O2 as an oxidant. The catalytic activity of the Au–CeO2

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::36a2f629f4d49907258b0c7aa413d6da
https://doi.org/10.1021/acs.iecr.8b00927

Active skeletal Ni catalysts prepared from Ni–Zr amorphous alloys by oxygen treatment

Autor: Tetsutaro Ohmichi, Hiromi Yamashita, Ai Nozaki, Yasutomo Tanihara, Kohsuke Mori, Takashi Kamegawa, Yasutaka Kuwahara

Publikováno v: Applied Catalysis A: General. 504:559-564

Skeletal Ni catalysts were prepared from an amorphous Ni 40 Zr 60 alloy (a-NiZr) by the selective extraction of Zr moieties by the HF treatment, followed by heating at various temperatures under vacuum, oxygen and hydrogen atmosphere. The HF treatmen

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::9cac49c79e38cc7bada50825c841dba8
https://doi.org/10.1016/j.apcata.2015.01.016

Skeletal Au prepared from Au-Zr amorphous alloys with controlled atomic compositions and arrangement for active oxidation of benzyl alcohol

Autor: Yasutaka Kuwahara, Kohsuke Mori, Christophe Calers, Ai Nozaki, Yasutomo Tanihara, Hiroyuki Y. Yasuda, Takeshi Nagase, Tetsutaro Ohmichi, Hiromi Yamashita, Catherine Louis

Publikováno v: Journal of Materials Chemistry A
Journal of Materials Chemistry A, Royal Society of Chemistry, 2016, 4 (21), pp.8458-8465. ⟨10.1039/C6TA01963C⟩
Journal of Materials Chemistry A, 2016, 4 (21), pp.8458-8465. ⟨10.1039/C6TA01963C⟩

International audience; Skeletal (nanoporous) gold catalysts were prepared from Au–Zr amorphous alloys by immersion in HF solution to extract Zr moieties. The catalytic performance of the skeletal Au catalyst for the oxidation of benzyl alcohol to

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ebb19c2b577fe77cc3755c3bc09bc421
https://hal.sorbonne-universite.fr/hal-01548324

Preparation of nano-sized platinum metal catalyst using photo-assisted deposition method on mesoporous silica including single-site photocatalyst

Autor: Tetsutaro Ohmichi, Hiromi Yamashita, Sayoko Shironita, Toshiaki Shimizu, Naoki Mimura, Kohsuke Mori

Publikováno v: Applied Surface Science. 254:7604-7607

Pt particles in a uniform dispersion were successfully synthesized on single-site photocatalyst (Ti-containing mesoporous silica (Ti-HMS)) under UV-light irradiation by a photo-assisted deposition (PAD) method. Using an aqueous solution of H 2 PtCl 6

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::e86d84e90ab5765156c7690c1ae6901a
https://doi.org/10.1016/j.apsusc.2008.01.120

Design of Nano-Sized Pt Metals Synthesized on Ti-Containing Mesoporous Silicas and Efficient Catalytic Application for NO Reduction

Autor: Sayoko Shironita, Hiromi Yamashita, Tetsutaro Ohmichi, Toshiaki Shimizu, Hirotaro Mori, Kohsuke Mori, Takao Sakata

Publikováno v: MATERIALS TRANSACTIONS. 49:398-401

A novel method to prepare the nano-sized Pt metal catalysts is proposed. Mesoporous silicas containing highly dispersed titanium oxide species (Ti-HMS) can act as the platform to generate highly dispersed Pt metal particles. Characterization by Pt LI

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::7a8e62285a7e65774b19e8df4808ab83
https://doi.org/10.2320/matertrans.ml200702