نتایج جستجو برای: Polyoxometalates

تعداد نتایج: 613  

Journal: :Chemical communications 2011
Xiaoxi Zheng Long Zhang Jiuyuan Li Sanzhong Luo Jin-Pei Cheng

Magnetic polyoxometalates (POMs) are obtained by a simple sonication between functionalized magnetic nanoparticles and polyoxometalates. This material can be used not only as a highly active acid catalyst, but also as a catalyst support for chiral amines.

2015
Greta R. Patzke

We are delighted to introduce this special issue of Inorganics. This themed issue is dedicated to polyoxometalates (POMs) as an outstanding class of oxo-cluster materials. Polyoxometalates have fascinated generations of researchers since the mid-18th-century, and they continue to attract promising young scientists all over the world. Since the first pioneering studies, the manifold structures a...

2013
Peilei He Biao Xu Huiling Liu Su He Faisal Saleem Xun Wang

Self-assemblyings of surfactant-encapsulated Wells-Dawson polyoxometalates (SEPs) nanobuilding blocks in butanone and esters yielded supramolecular gels showing thermo and photo responsive properties. The gels can be further polymerized if unsaturated esters were used and subsequently electrospinned into nanowires and non-woven mats. The as-prepared non-woven mats have a Young's modulus as high...

2016
Beñat Artetxe

Premium polyoxometalates! The organic functionalization of 3 d-metalsubstituted polyoxometalates and the synthesis of new metal-oxo clusters with accessible 3 d- and 4 f-metal centers suitable for organic derivatization are discussed in this thesis. A total number of 39 compounds were structurally characterized, and their luminescent and magnetic properties analyzed. The solution behavior was s...

Journal: :Photochemical & photobiological sciences : Official journal of the European Photochemistry Association and the European Society for Photobiology 2014
Bing Yan Jing Cuan

A class of novel multifunctional hybrids assembled by lanthanide polyoxometalates, ionic liquid and lanthanide complexes were prepared through the reactions of ion exchange and coordination in mild conditions. These hybrids possess two luminescence centers, one is lanthanide polyoxometalates ([EuW10O36](9-) or [TbW10O36](9-)), the other is lanthanide complexes of 1,10-phenanthroline (phen) (or ...

Journal: :Chemical communications 2011
Xiankun Lin Fang Liu Haolong Li Yi Yan Lihua Bi Weifeng Bu Lixin Wu

Polyoxometalates can serve as active components to induce and modulate the micellization behavior of polystyrene-block-poly(4-vinylpyridine).

Journal: :Chemistry: A European Journal 2021

Polyoxometalates (POMs) can act as unique reservoirs for multiple electron transfers. As POMs display only weak absorption in the visible spectrum, they be associated with chromophores such porphyrins and porphyrin antennae. In this Minireview, research dedicated to combination of polyoxometalates is put context state art identifying challenges addressed optimization hybrid materials applicatio...

2014
Mauro Carraro Silvia Gross

The covalent incorporation of inorganic building blocks into a polymer matrix to obtain stable and robust materials is a widely used concept in the field of organic-inorganic hybrid materials, and encompasses the use of different inorganic systems including (but not limited to) nanoparticles, mono- and polynuclear metal complexes and clusters, polyhedral oligomeric silsesquioxanes (POSS), polyo...

Journal: :Chemical communications 2014
Haibing Wei Shuming Du Yang Liu Hongxiang Zhao Chongyi Chen Zhibo Li Jun Lin Yang Zhang Jie Zhang Xinhua Wan

Hybrid hydrogels based on electrostatic co-assembly of polyoxometalates and ABA triblock copolymers were readily prepared and exhibit excellent luminescence and self-healing performance.

Journal: :Chemical communications 2011
Pingfan Wu Zicheng Xiao Jin Zhang Jian Hao Jiake Chen Panchao Yin Yongge Wei

We have demonstrated that a pentaerythritol-derivatized hexavanadate can be easily esterified with acid anhydrides using 4-(N,N-dimethylamino)pyridine (DMAP) as a catalyst, which provides a convenient method for the functionalization of polyoxometalates.

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