Formation of paired Ga sites in CHA-type zeolite frameworks via a transcription-induced method

Takumi Kaneko; Mizuho Yabushita; Ryota Osuga; Yugo Sawada; Kei Sato; Ben Liu; Yoshinao Nakagawa; Kiyotaka Nakajima; Keiichi Tomishige

doi:10.1039/D4CC00186A

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Formation of paired Ga sites in CHA-type zeolite frameworks via a transcription-induced method†

Takumi Kaneko,^a Mizuho Yabushita,

*^a Ryota Osuga,

^b Yugo Sawada,^a Kei Sato,^a Ben Liu,^a Yoshinao Nakagawa,

^a Kiyotaka Nakajima

^b and Keiichi Tomishige

*^ac

Author affiliations

* Corresponding authors

^a Department of Applied Chemistry, School of Engineering, Tohoku University, 6-6-07 Aoba, Aramaki, Aoba-ku, Sendai, Miyagi 980-8579, Japan
E-mail: m.yabushita@tohoku.ac.jp, tomishige@tohoku.ac.jp

^b Institute for Catalysis, Hokkaido University, Kita 21 Nishi 10, Kita-ku, Sapporo, Hokkaido 001-0021, Japan

^c Advanced Institute for Materials Research (WPI-AIMR), Tohoku University, 2-1-1 Katahira, Aoba-ku, Sendai, Miyagi 980-8577, Japan

Abstract

Paired Ga sites represented by the Ga–O–Si–O–Ga sequence were firstly formed intentionally in CHA-type zeolite frameworks via the transcription of pre-formed paired Ga species in a Ga-rich amorphous silica–gallia under seed-assisted hydrothermal conditions. Such paired Ga sites behaved as ion-exchange sites for capturing divalent cation, Co²⁺.

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Article information

DOI: https://doi.org/10.1039/D4CC00186A
Article type: Communication
Submitted: 13 Jan 2024
Accepted: 29 Feb 2024
First published: 01 Mar 2024
This article is Open Access

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Chem. Commun., 2024,60, 3681-3684

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Formation of paired Ga sites in CHA-type zeolite frameworks via a transcription-induced method

T. Kaneko, M. Yabushita, R. Osuga, Y. Sawada, K. Sato, B. Liu, Y. Nakagawa, K. Nakajima and K. Tomishige, Chem. Commun., 2024, 60, 3681 DOI: 10.1039/D4CC00186A

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Chemical Communications

Formation of paired Ga sites in CHA-type zeolite frameworks via a transcription-induced method†

Abstract

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Formation of paired Ga sites in CHA-type zeolite frameworks via a transcription-induced method

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