Organically templated polar metal oxyfluorides
有机模板极性金属氟氧化物
基本信息
- 批准号:325510855
- 负责人:
- 金额:--
- 依托单位:
- 依托单位国家:德国
- 项目类别:Research Grants
- 财政年份:2016
- 资助国家:德国
- 起止时间:2015-12-31 至 2020-12-31
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
Several physical properties of solid compounds correlate with their crystal symmetry. E.g., piezoelectricity and second harmonic generation (SHG) are present only in non-centrosymmetric structures (point group 432 is also excluded); pyro- and ferroelectricity require crystallization in a polar space group type. The interesting properties and related potential applications of coordination polymers (MOFs) which are based on their porosity and huge internal surface could be combined with the mentioned electrooptic or dielectric properties if they could be crystallized in structures with the required symmetry restraints. The proposed project is intended to tackle this challenge by development of routes to non-centrosymmetric metal-organic solids. By supramolecular synthesis directional control of individual dipole orientations and formation of structures with long-range polarity is anticipated by incorporation of polar oxyfluoride groups [MOxFy]z- (M = V(V), Nb(V), Ta(V), Mo(VI), W(VI)) as metalloligands. Bridging organic ligands, mainly based on N-heterocycles, with functional groups will be designed in order to allow orientational control of the polar building blocks by exploiting supramolecular interactions such as hydrogen bonds, pi...pi stacking or anion...pi interactions. Anticipated results include the generation of new SHG, piezoelectric and ferroelectric materials with incorporated polar inorganic units as an origin of bulk polarity, synthesis and (structural) characterization of new complex oxyfluorides, development of tectons with combined functionalities for supramolecular synthesis and new routes for the preparation of novel metal-organic coordination compounds.
固体化合物的一些物理性质与它们的晶体对称性有关。例如,在一个示例中,压电性和二次谐波产生(SHG)仅存在于非中心对称结构中(点群432也被排除在外);热电性和铁电性需要在极性空间群类型中结晶。配位聚合物(MOFs)的多孔性和巨大的内表面使其具有许多有趣的性质和相关的潜在应用,如果它们能够在具有所需对称性约束的结构中结晶,则可以将其与上述电光或介电性质结合起来。拟议的项目旨在通过开发非中心对称金属有机固体的路线来应对这一挑战。通过引入极性氟氧化物基团[MOxFy]z-(M = V(V),Nb(V),Ta(V),Mo(VI),W(VI))作为金属配体,可以通过超分子合成对单个偶极取向进行定向控制并形成具有长程极性的结构。桥有机配体,主要是基于N-杂环,与功能基团的设计,以允许通过利用超分子相互作用,如氢键,π取向控制的极性积木…π堆积或阴离子π相互作用预期的结果包括产生新的SHG,压电和铁电材料与合并的极性无机单元作为一个原产地的散装极性,合成和(结构)表征的新的复杂的氟氧化物,开发tectons与超分子合成和新的路线制备新型金属有机配位化合物的功能组合。
项目成果
期刊论文数量(11)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
Facile and selective polynitrations at the 4-pyrazolyl dual backbone: straightforward access to a series of high-density energetic materials
- DOI:10.1039/c8nj05266b
- 发表时间:2019-01-21
- 期刊:
- 影响因子:3.3
- 作者:Domasevitch, Kostiantyn V.;Gospodinov, Ivan;Stierstorfer, Joerg
- 通讯作者:Stierstorfer, Joerg
Making an order: the concerted alignment of [MOF5]2- (M = Nb and Ta) dipolar anions in one-dimensional coordination chains sustained by tris(3,4,5-trimethyl-1H-pyrazole)copper(II).
下订单:三(3,4,5-三甲基-1H-吡唑)铜(II)维持的一维配位链中[MOF5]2-(M = Nb和Ta)偶极阴离子的协同排列
- DOI:10.1107/s2053229618009853
- 发表时间:2018
- 期刊:
- 影响因子:0
- 作者:A. V. Sharko;O. Erhart;H. Krautscheid;K. V. Domasevitch
- 通讯作者:K. V. Domasevitch
Triazolyl, Imidazolyl, and Carboxylic Acid Moieties in the Design of Molybdenum Trioxide Hybrids: Photophysical and Catalytic Behavior.
三氧化钼杂化物设计中的三唑基、咪唑基和羧酸部分:光物理和催化行为
- DOI:10.1021/acs.inorgchem.6b02986
- 发表时间:2017
- 期刊:
- 影响因子:4.6
- 作者:A. B. Lysenko;G. A. Senchyk;K. V. Domasevitch;M. Kobalz;H. Krautscheid;J. Cichos;M. Karbowiak;P. Neves;A. A. Valente;I. S. Gonçalves
- 通讯作者:I. S. Gonçalves
Bulk polarity of 3,5,7-trinitro-1-azaadamantane mediated by asymmetric NO2(lone pair)...NO2(π-hole) supramolecular bonding.
不对称NO2(孤对)NO2(Ï孔)超分子键介导的3,5,7-三硝基-1-氮杂金刚烷的整体极性
- DOI:10.1107/s2053229620006762
- 发表时间:2020
- 期刊:
- 影响因子:0
- 作者:K. V. Domasevitch;G. A. Senchyk;H. Krautscheid
- 通讯作者:H. Krautscheid
Dithiol-Dithione Tautomerism of 2,3-Pyrazinedithiol in the Synthesis of Copper and Silver Coordination Compounds.
2,3-吡嗪二硫醇的二硫醇-二硫酮互变异构在铜银配位化合物合成中的应用
- DOI:10.1021/acs.inorgchem.0c02203
- 发表时间:2020
- 期刊:
- 影响因子:4.6
- 作者:S. Henfling;R. Kempt;J. Klose;A. Kuc;B. Kersting;H. Krautscheid
- 通讯作者:H. Krautscheid
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Professor Dr. Harald Krautscheid其他文献
Professor Dr. Harald Krautscheid的其他文献
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{{ truncateString('Professor Dr. Harald Krautscheid', 18)}}的其他基金
Testing two concepts to increase the efficiency of p-type dye-sensitized solar cells
测试两种提高 p 型染料敏化太阳能电池效率的概念
- 批准号:
280093010 - 财政年份:2015
- 资助金额:
-- - 项目类别:
Research Grants
Mehrkernige Halogenokomplexe - Der strukturelle Übergang vom einkernigen Komplex zur Festkörperphase
多核卤代配合物 - 从单核配合物到固态相的结构转变
- 批准号:
5256014 - 财政年份:1995
- 资助金额:
-- - 项目类别:
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Chemical Routes to CuI and Related Compounds as Thin Films and Bulk Material
作为薄膜和散装材料的 CuI 和相关化合物的化学路线
- 批准号:
428910898 - 财政年份:
- 资助金额:
-- - 项目类别:
Research Units
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