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Directed 1D Assembly of a Ring-Shaped Inorganic Nanocluster Templated by an Organic Rigid-Rod Molecule: An Inorganic/Organic Polypseudorotaxane


  • This work was sponsored by a Grants-in-Aid for Scientific Research (no. 17350044) and Encouragement of Young Scientists (no. 18750113) from the Ministry of Education, Science, Sports, and Culture (Japan). M.A.A. and Y.-S.K. made an equal contribution to the work and thank the JSPS Postdoctoral Fellowships for Foreign Researchers.


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Facing up to matters: Template-assisted cofacial assembly of a ring-shaped polyoxomolybdate cluster (MC) by an oligomeric p-phenylenebutadiynylene rigid rod molecule bearing ammonium ion pendant groups (PBn) allowed for the formation of an inorganic/organic one-dimensional (1D) nanoobject. Studies indicate that the 1D object most likely has a polypseudorotaxane structure (see picture), in which multiple MC rings are threaded by the PBn rod.