title: Synthetic investigation, structural analysis and photocatalytic study of a carboxylate-phosphonate bridged Ti18-oxo cluster.
abstract: By the combination of carboxylate and phosphonate ligands, we herein report a nanosized H2[Ti18(μ3-O)14(μ2-O)6(O3P-Phen)2(PA)16(OPri)14] (PTC-51) (HPA = propionic acid, O3P-Phen = phenyl phosphonate), whose structure can be observed as the linkage of independent phosphonate supporting and carboxylate bridging hexanuclear Ti(iv) clusters. We also demonstrate a concise crystalline phase diagram, which shows the important effect of phosphonate and carboxylate ligand ratio during synthetic reactions. The photocatalytic H2evolution activities of the obtained polyoxotitanate materials have been studied, with carboxylate-Ti6presenting the maximum H2production rate up to 267.78 μmol g-1h-1.
authors.affiliation: State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian 350002, China. LZhang@fjirsm.ac.cn.
authors.forename: Wei-Hui
authors.initials: WH
authors.lastname: Fang
authors.affiliation: State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian 350002, China. LZhang@fjirsm.ac.cn.
authors.forename: Lei
authors.identifier: http://orcid.org/0000-0001-7720-4667
authors.initials: L
authors.lastname: Zhang
authors.affiliation: State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian 350002, China. LZhang@fjirsm.ac.cn.
authors.forename: Jian
authors.initials: J
authors.lastname: Zhang