State Key Laboratory of Photocatalysis on Energy and Environment, College of Chemistry, Fuzhou University, Fuzhou, Fujian, 350108, China.
Angew Chem Int Ed Engl. 2017 Dec 18;56(51):16288-16292. doi: 10.1002/anie.201709565. Epub 2017 Nov 22.
A series containing the highest nuclearity polyoxoniobate (PONb) nanoclusters, ranging from dimers to tetramers, has been obtained. They include one 114-nuclear {Li ⊂Nb O }, one 81-nuclear {Li K⊂Nb O }, and one 52-nuclear {H Nb O }. The Nb nuclearity of these PONbs is remarkably larger than those of all known high-nuclearity PONbs (≤32). Furthermore, the introduction of 3d Cu ions can lead to the generation of extended inorganic-organic hybrid frameworks built from novel, high-nuclearity, nanoscale heterometallic PONb building blocks {H Cu Nb O } or {H Cu (en)Nb O }. These building blocks also contain the largest number of Nb centers of any heterometallic PONbs reported to date. The synthesis of new-type PONbs has long been a challenging subject in PONb chemistry.
已获得一系列具有最高核数的多铌酸盐（PONb）纳米簇，范围从二聚体到四聚体，其中包括一个 114 核的{Li ⊂Nb O }，一个 81 核的{Li K⊂Nb O }和一个 52 核的{H Nb O }。这些 PONb 的 Nb 核数明显大于所有已知的高核数 PONb（≤32）。此外，引入 3d Cu 离子可以导致由新型、高核数、纳米尺度杂金属 PONb 构建块{H Cu Nb O }或{H Cu （en）Nb O }构建的扩展无机-有机杂化骨架的生成。这些构建块还包含迄今为止报道的任何杂金属 PONb 中最多数量的 Nb 中心。新型 PONb 的合成一直是 PONb 化学中的一个具有挑战性的课题。
