Structural investigation of photonic materials at the nanolevel using XPS

A series of surfactant-encapsulated and organically grafted polyoxometalates (SEOPs) were prepared through a co-precipitation procedure. Through a rational selection of the molecular components in the structure of the complex, SEOP complexes self-assemble into ordered aggregates with two different hierarchical self-assembled structures in an organic solvent mixture of dichloromethane and methanol in different volume ratios. FTIR, (1)H NMR, and X-ray photoelectron spectroscopy were used to characterize the self-assembly process and the involved driving forces. In a weakly polar solvent, SEOPs aggregated into fibers with a lamellar structure. When the solvent polarity was increased, SEOPs formed ribbonlike aggregates with a tetragonal structure. The change of the hierarchical self-assembled structure was deduced in regard to the arrangement of alkyl chains, electrostatic interactions, and hydrogen bonding between the pyridyl groups and terminal oxygen atoms of the polyoxometalates. The ribbonlike aggregates exhibit birefringence due to the ordered arrangement of SEOPs in the microstructure.

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Hierarchical Self‐Assembly of Surfactant‐Encapsulated and Organically Grafted Polyoxometalate Complexes

Wang

Yan

et al. 2011

Chemistry A European J

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Structural and spectral studies of Yb:NaGd(WO4)2 crystals irradiated by 6.0 MeV O ions

Jia

Song

2017

Appl. Phys. A

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Investigation on local structure surrounding erbium cations in fluoride glasses with TeO2 introduction for 2.7 μm emission

Guo

Liu

Duan

et al. 2018

Journal of Alloys and Compounds

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Structural investigation of photonic materials at the nanolevel using XPS

Cited by 5 publications

References 13 publications

Hierarchical Self‐Assembly of Surfactant‐Encapsulated and Organically Grafted Polyoxometalate Complexes

Hierarchical Self‐Assembly of Surfactant‐Encapsulated and Organically Grafted Polyoxometalate Complexes

Structural and spectral studies of Yb:NaGd(WO4)2 crystals irradiated by 6.0 MeV O ions

Investigation on local structure surrounding erbium cations in fluoride glasses with TeO2 introduction for 2.7 μm emission

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Structural investigation of photonic materials at the nanolevel using XPS

Cited by 5 publications

References 13 publications

Hierarchical Self‐Assembly of Surfactant‐Encapsulated and Organically Grafted Polyoxometalate Complexes

Hierarchical Self‐Assembly of Surfactant‐Encapsulated and Organically Grafted Polyoxometalate Complexes

Structural and spectral studies of Yb:NaGd(WO4)2 crystals irradiated by 6.0 MeV O ions

Investigation on local structure surrounding erbium cations in fluoride glasses with TeO2 introduction for 2.7 μm emission

Contact Info

Product

Resources

About

Investigation on local structure surrounding erbium cations in fluoride glasses with TeO2 introduction for 2.7 μm emission