Abstract
Two novel inorganic–organic hybrid NLO materials constructed from Preyssler-type P5W30 cluster anions and Schiff-base have been isolated under hydrothermal conditions.
Highlights
Polyoxometalates (POMs), a peculiar subunit of discrete transition metal-oxo clusters with oxygen-rich surfaces and strong coordinating ability, are intriguing secondary building blocks for constructing various inorganic–organic hybrid materials with potential applications in catalytic reactions,[1] magnetic materials,[2] nonlinear optics,[3] materials science[4] and electrochemistry.[5]
Structural analysis reveals that compound 1 is composed of a {[Na3(H2O)2Mn0.5(H2O)4][Mn(H2O)(DAPSC)]2[H3P5W30O110]}4À architecture (Section A), two isolated [Mn(H2O)2(DAPSC)]2+ groups (Section B), and seven and a half lattice water molecules
Over the past few years, hydrothermal method has been proved to be a cogent approach in preparation of metal and Schiff base decorated Preyssler P5W30 polyoxoanion
Summary
Polyoxometalates (POMs), a peculiar subunit of discrete transition metal-oxo clusters with oxygen-rich surfaces and strong coordinating ability, are intriguing secondary building blocks for constructing various inorganic–organic hybrid materials with potential applications in catalytic reactions,[1] magnetic materials,[2] nonlinear optics,[3] materials science[4] and electrochemistry.[5]. Structural analysis reveals that compound 1 is composed of a {[Na3(H2O)2Mn0.5(H2O)4][Mn(H2O)(DAPSC)]2[H3P5W30O110]}4À architecture (Section A), two isolated [Mn(H2O)2(DAPSC)]2+ groups (Section B), and seven and a half lattice water molecules. The molecular 2PA cross section s of compounds 1–2 were 888 GM and 707 GM, which manifests that the Schiff base in the modi ed Preyssler polyoxoanions will strengthen the third-order NLO responses.
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