NDLI: Different conjugated system Zn(ii) Schiff base complexes: supramolecular structure, luminescent properties, and applications in the PMMA-doped hybrid materials

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Different conjugated system Zn(ii) Schiff base complexes: supramolecular structure, luminescent properties, and applications in the PMMA-doped hybrid materials

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Dalton Transactions Vol - 46 Issue - 3

Dalton Transactions Vol - 46 Issue - 2

Dalton Transactions Vol -39

Dalton Transactions Vol -0

Different conjugated system Zn(ii) Schiff base complexes: supramolecular structure, luminescent properties, and applications in the PMMA-doped hybrid materials

Content Provider	Royal Society of Chemistry (RSC)
Author	Chen, Wei Dong, Yu-Wei Fan, Rui-Qing Zhang, Hui-Jie Yang, Yu-Lin Du, Xi Song, Yang Wei, Li-Guo Wang, Ping
Copyright Year	2017
Abstract	A series of Zn(II) complexes with different conjugated systems, [ZnL1Cl2]2 (Zn1), [ZnL2Cl2] (Zn2), [Zn(L3)2]·(ClO4)2 (Zn3), [Zn2L4Cl4] (Zn4), and [ZnL5Cl2] (Zn5), were synthesized and subsequently characterized via single crystal X-ray diffraction, 1H and 13C NMR, FT-IR, elemental analyses, melting point, and PXRD. The X-ray diffraction analyses revealed that the supramolecular frameworks of complexes Zn1–Zn5 are constructed by C–H⋯O/Cl hydrogen bonds and π⋯π interactions. Complexes Zn1–Zn3 feature 3D 6-connected {412·63} topological structures, whereas complex Zn4 exhibits a 3D 7-connected supramolecular framework with a {417·64} topological structure. However, complex Zn5 shows one-dimensional “wave-like” chains. Based on these varied structures, the emission maximum wavelengths of complexes Zn1–Zn5 can be tuned in a wide range of 461–592 nm due to the red shift direction of λem caused by different conjugated systems and their electron donating abilities. Complex Zn3 shows a strong luminescence in the solid state and in the acetonitrile solution. Therefore, a series of Zn3-poly(methylmethacrylate) (Zn3-PMMA) hybrid materials were obtained by controlling the concentration of complex Zn3 in poly(methylmethacrylate) (PMMA). At an optimal concentration of 4%, the doped polymer film of Zn3-PMMA displays strong green luminescence emissions that are 19-fold in the luminescence intensities and 98 °C higher in the thermal stability temperature compared to the Zn3 film.
Starting Page	1266
Ending Page	1276
Page Count	11
File Format	HTM / HTML PDF
ISSN	14779226
Volume Number	46
Issue Number	4
Journal	Dalton Transactions
DOI	10.1039/c6dt04159k
Language	English
Publisher	Royal Society of Chemistry
Access Restriction	Open
Subject Keyword	X-ray crystallography Nuclear magnetic resonance Fourier-transform infrared spectroscopy Elemental analysis Hydrogen bond Three-dimensional space Luminescence Acetonitrile Para-Methoxy-N-methylamphetamine Polymer
Content Type	Text
Resource Type	Article
Subject	Inorganic Chemistry

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Different conjugated system Zn(ii) Schiff base complexes: supramolecular structure, luminescent properties, and applications in the PMMA-doped hybrid materials

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