Growth of Two-Dimensional Metal–Organic Framework Nanosheet Crystals on Graphite Substrates by Thermal Equilibrium Treatment in Acetic Acid Vapor

Kouhei Sakata; Soichiro Kashiyama; Gento Matsuo; Shinobu Uemura; Nobuo Kimizuka; Masashi Kunitake

doi:10.1002/cnma.201500062

Growth of Two-Dimensional Metal–Organic Framework Nanosheet Crystals on Graphite Substrates by Thermal Equilibrium Treatment in Acetic Acid Vapor

Kouhei Sakata, Soichiro Kashiyama, Gento Matsuo, Shinobu Uemura, Nobuo Kimizuka, Masashi Kunitake

Biofunctional Chemistry

Research output: Contribution to journal › Article › peer-review

9 Citations (Scopus)

Abstract

Large two-dimensional (2D) nanosheets of crystalline coordination frameworks were prepared on highly oriented pyrolytic graphite (HOPG) by re-crystallization induced by thermal equilibrium treatment in acetic acid vapor. The nanosheets comprised 5,10,15,20-tetrakis(4-carboxyphenyl)-porphyrin (H₂TCPP) cross-linked by copper ions. We found that an acetic acid vapor environment dramatically decreased the activation energy and accelerated the recombination of coordination bonds between metal ions and carboxylate ligands in the H₂TCPP-Cu frameworks. Ultimately, two-dimensional horizontal crystal growth was induced to form monomolecular sheets as the most thermodynamically stable crystal structure on a well-defined surface.

Original language	English
Pages (from-to)	259-263
Number of pages	5
Journal	ChemNanoMat
Volume	1
Issue number	4
DOIs	https://doi.org/10.1002/cnma.201500062
Publication status	Published - Jan 1 2015

All Science Journal Classification (ASJC) codes

Biomaterials
Renewable Energy, Sustainability and the Environment
Energy Engineering and Power Technology
Materials Chemistry

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Growth of Two-Dimensional Metal–Organic Framework Nanosheet Crystals on Graphite Substrates by Thermal Equilibrium Treatment in Acetic Acid Vapor. / Sakata, Kouhei; Kashiyama, Soichiro; Matsuo, Gento; Uemura, Shinobu; Kimizuka, Nobuo; Kunitake, Masashi.

In: ChemNanoMat, Vol. 1, No. 4, 01.01.2015, p. 259-263.

Research output: Contribution to journal › Article › peer-review

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