Journal
SCIENTIFIC REPORTS
Volume 3, Issue -, Pages -Publisher
NATURE PUBLISHING GROUP
DOI: 10.1038/srep02506
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Funding
- Japan Society for the Promotion of Science (JSPS) [22108524, 24108735]
- Japan Science and Technology Agency (JST)
- Ministry of Education, Culture, Sports, Science and Technology (MEXT)
- Royal Society (UK)
- Kao Foundation for Arts and Sciences
- INAMORI foundation
- Japan Prize Foundation
- Grants-in-Aid for Scientific Research [24108735, 22108524] Funding Source: KAKEN
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The air/liquid interface is an excellent platform to assemble two-dimensional (2D) sheets of materials by enhancing spontaneous organizational features of the building components and encouraging large length scale in-plane growth. We have grown 2D molecularly-thin crystalline metal-organic-framework (MOF) nanosheets composed of porphyrin building units and metal-ion joints (NAFS-13) under operationally simple ambient conditions at the air/liquid interface. In-situ synchrotron X-ray diffraction studies of the formation process performed directly at the interface were employed to optimize the NAFS-13 growth protocol leading to the development of a post-injection method -post-injection of the metal connectors into the water subphase on whose surface the molecular building blocks are pre-oriented- which allowed us to achieve the formation of large-surface area morphologically-uniform preferentially-oriented single-layer nanosheets. The growth of such large-size high-quality sheets is of interest for the understanding of the fundamental physical/chemical properties associated with ultra-thin sheet-shaped materials and the realization of their use in applications.
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