Force-responsive ordered carbonaceous frameworks synthesized from Ni-porphyrin

Koki Chida; Takeharu Yoshii; Kazuma Takahashi; Masanori Yamamoto; Kazuya Kanamaru; Mao Ohwada; Varisara Deerattrakul; Jun Maruyama; Kazuhide Kamiya; Yuichiro Hayasaka; Masataka Inoue; Fumito Tani; Hirotomo Nishihara

doi:10.1039/D1CC01618K

Force-responsive ordered carbonaceous frameworks synthesized from Ni-porphyrin†

Koki Chida,

^a Takeharu Yoshii,

^a Kazuma Takahashi,^a Masanori Yamamoto,^a Kazuya Kanamaru,^a Mao Ohwada,^a Varisara Deerattrakul,^b Jun Maruyama,

^c Kazuhide Kamiya,

^de Yuichiro Hayasaka,^f Masataka Inoue,^g Fumito Tani

^g and Hirotomo Nishihara

*^ah

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* Corresponding authors

^a Institute of Multidisciplinary Research for Advanced Materials, Tohoku University, 2-1-1 Katahira, Aoba-ku, Sendai, Miyagi, Japan
E-mail: hirotomo.nishihara.b1@tohoku.ac.jp

^b National Nanotechnology Centre (NANOTEC), National Science and Technology Development Agency (NSTDA), Pathum Thani, Thailand

^c Research Division of Environmental Technology, Osaka Research Institute of Industrial Science and Technology, 1-6-50 Morinomiya, Joto-ku, Osaka, 536-8553, Japan

^d Graduate School of Engineering Science, Osaka University, 1-3 Machikaneyama, Toyonaka, Osaka, Japan

^e Research Centre for Solar Energy Chemistry, Osaka University, 1-3 Machikaneyama, Toyonaka, Osaka, Japan

^f The Electron Microscopy Centre, Tohoku University, 2-1-1 Katahira, Aoba, Sendai, Miyagi, Japan

^g Institute for Materials Chemistry and Engineering, Kyushu University, 744 Motooka, Nishi-ku, Fukuoka 819-0395, Japan

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

Abstract

Force-responsive ordered carbonaceous frameworks (OCFs) are synthesized for the first time. Carbonization of Ni porphyrin monomers having eight polymerizable ethynyl groups yields OCFs with atomically dispersed divalent Ni species and developed micropores. The highest specific surface area (673 m² g⁻¹) among the OCFs has been achieved. The OCFs thus synthesized comprise non-stacked graphene sheets, affording a unique mechanical flexibility that enables force-driven reversible phase transition.

Chemical Communications

Force-responsive ordered carbonaceous frameworks synthesized from Ni-porphyrin†

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