CAREER: Metallated Polythieno[3,4-b]pyrazines as Ordered Hybrid Materials

职业：金属化聚噻吩并[3,4-b]吡嗪作为有序杂化材料

• 批准号: 0132886
• 负责人: Seth Rasmussen
• 金额: --
• 依托单位: North Dakota State University Fargo
• 依托单位国家: 美国
• 项目类别: Continuing Grant
• 财政年份: 2002
• 资助国家: 美国
• 起止时间: 2002-04-01 至 2007-07-31
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=0132886&HistoricalAwards=false
• 关键词: CAREER; Metallated; Polythieno; pyrazines; Ordered

The Advanced Materials Program in the Division of Chemistry makes this award to North Dakota State University Fargo to synthesize and characterize metal-polymer hybrids prepared from transition metals and polythieno[3,4-b]pyrazine and its alkylated derivatives. These composite materials are expected to have the electro- and photochemical properties of transition metal complexes with the electronic and optical properties of the organic polymer. Since metal centers will be bound directly to the polymer backbone, undesirable steric interactions will be eliminated in addition to stronger metal-polymer electronic coupling. This methodology to prepare composites without the use of copolymeric systems will have synthetic control for the production of well-ordered metallated polymers, which in turn will retain the desirable aspects of the conjugated polymer while allowing the metal centers to serve as electro- or photosensitive switches to modulate the polymer properties. Ordered heterometallic conjugated polymers will also be synthesized to determine structure-property relationships of these hybrid systems, and they will be evaluated for their potential applications in conducting, photo-conducting, and nonlinear optical materials. The Career Development Plan will incorporate History of Chemistry into the chemistry curriculum both at the undergraduate and graduate level courses with credit including seminars and web-based chemical history displays. These programs will also be offered to North Dakota high school science teachers as a way to allow them to include this material in their curriculum.Polymer-metal composites will be prepared from conducting polymers and transition metals. Since the metal centers will be bound directly to the polymer backbone in these materials, these well-ordered and oriented hybrids are expected to provide enhanced electronic and optical properties. Long-term goals of the project will be to prepare heterometallic, multidimensional and conjugated polymer materials for multi-dimensional arrays for potential applications in supramolecular chips for information storage. A new curriculum to teach History of Chemistry will be introduced at both graduate and undergraduate levels. High school science teachers will also be provided opportunities to take the course in History of Chemistry.

化学系的先进材料计划将这一奖项授予北达科他州立大学Fargo，以合成和表征由过渡金属和多硫并[3，4-b]吡嗪及其烷基化衍生物制备的金属-聚合物杂化材料。这些复合材料有望具有过渡金属络合物的电化学性质和有机聚合物的电学和光学性质。由于金属中心将直接结合到聚合物主链上，除了更强的金属-聚合物电子耦合外，还将消除不必要的空间相互作用。这种在不使用共聚体系的情况下制备复合材料的方法将对有序金属聚合物的生产进行合成控制，这反过来将保留共轭聚合物的理想方面，同时允许金属中心作为电或光敏开关来调节聚合物的性质。还将合成有序的异金属共轭聚合物，以确定这些杂化体系的结构-性质关系，并将评估它们在导电、光导和非线性光学材料方面的潜在应用。职业发展计划将把化学史纳入本科生和研究生的化学课程，学分包括研讨会和基于网络的化学史展示。这些项目也将提供给北达科他州的高中科学教师，作为一种允许他们将这种材料纳入课程的方式。聚合物-金属复合材料将由导电聚合物和过渡金属制成。由于金属中心将直接结合到这些材料中的聚合物主干上，这些有序和定向的杂化材料有望提供增强的电子和光学性能。该项目的长期目标将是制备用于多维阵列的异金属、多维和共轭聚合物材料，以用于信息存储的超分子芯片的潜在应用。将在研究生和本科生两个层面引入新的化学史教学课程。高中科学教师也将有机会学习化学史课程。