Hydrothermal Syntheses, Structural Characterizations, and\nPhotoluminescence Properties of Three Fluorinated Indium\nPhosphates with Bipyridyl Ligands: \nIn&lt;sub&gt;3&lt;/sub&gt;F&lt;sub&gt;2&lt;/sub&gt;(2,2‘-bipy)&lt;sub&gt;2&lt;/sub&gt;(HPO&lt;sub&gt;4&lt;/sub&gt;)&lt;sub&gt;2&lt;/sub&gt;(H&lt;sub&gt;1.5&lt;/sub&gt;PO&lt;sub&gt;4&lt;/sub&gt;)&lt;sub&gt;2&lt;/sub&gt;, In&lt;sub&gt;2&lt;/sub&gt;F&lt;sub&gt;2&lt;/sub&gt;(H&lt;sub&gt;2&lt;/sub&gt;O)(2,2‘-bipy)(HPO&lt;sub&gt;4&lt;/sub&gt;)&lt;sub&gt;2&lt;/sub&gt;,\nand In&lt;sub&gt;2&lt;/sub&gt;F&lt;sub&gt;2&lt;/sub&gt;(H&lt;sub&gt;2&lt;/sub&gt;O)(2,2‘-bipy-5-amine)(HPO&lt;sub&gt;4&lt;/sub&gt;)&lt;sub&gt;2&lt;/sub&gt;

Chao Chen (195669); Yunling Liu (1420054); Shuhua Wang (1305378); Guanghua Li (1415437); Minghui Bi (2474014); Zhuo Yi (2537947); Wenqin Pang (2537944)

JOURNAL ARTICLE

Hydrothermal Syntheses, Structural Characterizations, and\nPhotoluminescence Properties of Three Fluorinated Indium\nPhosphates with Bipyridyl Ligands: \nIn3F2(2,2‘-bipy)2(HPO4)2(H1.5PO4)2, In2F2(H2O)(2,2‘-bipy)(HPO4)2,\nand In2F2(H2O)(2,2‘-bipy-5-amine)(HPO4)2

Chao Chen (195669)Yunling Liu (1420054)Shuhua Wang (1305378)Guanghua Li (1415437)Minghui Bi (2474014)Zhuo Yi (2537947)Wenqin Pang (2537944)

Year: 2016 Journal: OPAL (Open@LaTrobe) (La Trobe University) Publisher: La Trobe University

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Abstract

Three novel fluorinated indium phosphates with the formulas In3F2(2,2‘-bipy)2(HPO4)2(H1.5PO4)2 (1),\nIn2F2(H2O)(2,2‘-bipy)(HPO4)2 (2), and In2F2(H2O)(2,2‘-bipy-5-amine)(HPO4)2 (3) have been prepared\nhydrothermally in the presence of 2,2‘-bipy and 2,2‘-bipy-5-amine ligands. Single-crystal X-ray diffraction\nanalysis reveals that 1 possesses an unusual neutral chained structure, which is not only the first 1D\nchain in the indiumphosphate family but also shows a new type of chain structure compared with those\nmetalphosphates reported in the literature. Meanwhile, 2 and 3 present 2D undulated sheetlike structures\nwith the same inorganic framework topology. The adjacent layers are stably packed together and exhibit\ninteresting 3D supramolecular arrays with π−π interactions of the bipy groups. It is noteworthy that the\ndifferent ratios of In:P for reactant addition lead to the formation of different structures in the presence\nof the same bipy ligands (In:P = 1:6 for compound 1 and In:P =1:4 for 2). By comparatively studying\nthe photoluminescence properties of these compounds, we may conclude that the photoluminescence\noriginates from ligand-centered π−π* transitions. The as-synthesized products are further characterized\nby powder X-ray diffraction, thermogravimetric analysis, 31P MAS NMR and IR spectroscopy, ICP, and\nelemental analysis.

Keywords:

Thermogravimetric analysis Supramolecular chemistry Hydrothermal circulation Photoluminescence Hydrothermal synthesis Indium

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Luminescence Properties of Advanced Materials

Physical Sciences → Materials Science → Materials Chemistry

Metal-Organic Frameworks: Synthesis and Applications

Physical Sciences → Chemistry → Inorganic Chemistry

Organic Light-Emitting Diodes Research

Physical Sciences → Engineering → Electrical and Electronic Engineering

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