Inorganic Janus nanosheets bearing two types of covalently bound organophosphonate groups via regioselective surface modification of K4Nb6O17·3H2O

Ryoko Suzuki; Mitsuhito Sudo; Megumi Hirano; Naokazu Idota; Masashi Kunitake; Taisei Nishimi; Yoshiyuki Sugahara

doi:10.1039/C8CC02892C

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Inorganic Janus nanosheets bearing two types of covalently bound organophosphonate groups via regioselective surface modification of K₄Nb₆O₁₇·3H₂O†

Ryoko Suzuki,

^a Mitsuhito Sudo,^a Megumi Hirano,^b Naokazu Idota,

^c Masashi Kunitake,^d Taisei Nishimi^e and Yoshiyuki Sugahara

*^af

Author affiliations

* Corresponding authors

^a Department of Applied Chemistry, School of Advanced Science and Engineering, Waseda University, 3-4-1, Okubo, Shinjuku-ku, Tokyo 169-8555, Japan
E-mail: ys6546@waseda.jp

^b Technical Division, Faculty of Engineering, Kumamoto University, 2-39-1, Kurokami, Chuo-ku, Kumamoto 860-8555, Japan

^c Department of Chemical Science and Technology, Faculty of Bioscience and Applied Chemistry, Hosei University, 3-7-2 Kajino-cho, Koganei-shi, Japan

^d Faculty of Advanced Science and Technology, Kumamoto University, 2-39-1, Kurokami, Chuo-ku, Kumamoto 860-8555, Japan

^e Japan Technological Research Association of Artificial Photosynthetic Chemical Process (ARPChem), 2-11-9, Iwamotocho, Chiyoda-ku, Tokyo 101-0032, Japan

^f Kagami Memorial Research Institute for Science and Technology, Waseda University, 2-8-26, Nishiwaseda, Shinjuku-ku, Tokyo 169-0051, Japan

Abstract

Janus nanosheets were prepared from K₄Nb₆O₁₇·3H₂O by modifying surfaces of their two distinct interlayers in a regioselective and sequential manner and subsequent exfoliation. The surface properties of nanosheets were investigated by phase atomic force microscopy imaging and two types of surfaces were discriminated, indicating that Janus nanosheets were successfully prepared.

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Article information

DOI: https://doi.org/10.1039/C8CC02892C
Article type: Communication
Submitted: 11 Apr 2018
Accepted: 14 May 2018
First published: 18 May 2018

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Chem. Commun., 2018,54, 5756-5759

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Inorganic Janus nanosheets bearing two types of covalently bound organophosphonate groups via regioselective surface modification of K₄Nb₆O₁₇·3H₂O

R. Suzuki, M. Sudo, M. Hirano, N. Idota, M. Kunitake, T. Nishimi and Y. Sugahara, Chem. Commun., 2018, 54, 5756 DOI: 10.1039/C8CC02892C

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Chemical Communications