近红外金属有机材料的自组装与光电功能（二）

项目名称： 近红外金属有机材料的自组装与光电功能（二）

项目编号： No.91227104

项目类型： 重大研究计划

立项/批准年度： 2013

项目学科： 有机化学

项目作者： 钟羽武

作者单位： 中国科学院化学研究所

项目金额： 75万元

中文摘要： 目前功能金属有机材料面临的一个关键科学问题是金属配合物的集成与功能导向。基于弱键相互作用的自组装方法将在以某些特殊功能为导向的金属有机集成材料的制备中显示巨大优势。在本项目中，我们将以智能响应性近红外材料和光电转换为功能导向，设计和开发具有近红外功能的金属有机组装新基元，利用多层次、多组分的自组装方法，创造新型功能化可控自组装体系，并揭示组装结构和性能的关系。拟构建基于混合价双金属体系的多层组装膜，利用氧化还原控制的金属间电荷转移，实现高效近红外电致变色。制备含有离子识别基团的近红外发光金属有机材料，发展与生物相容的近红外离子识别与传感体系。制备近红外金属有机染料与无机半导体纳晶的新型复合组装体，优化染料敏化电池的光电转换效率。这些研究为分子电子学和新能源的转化与利用提供了物质基础，并对新型自组装体的设计和功能导向有重要的意义。

中文关键词： 自组装单层膜；功能配合物；近红外；电致变色；离子传感

英文摘要： The integration and functionalization of new organometallic materials is a challenging topic. In this context, self-assembly on the basis of weak bond interaction has become a favorable choice for the construction of complex systems directed toward some special functions. We will design and develop novel organometallic building blocks and construct new integrated systems with near-infrared and photovoltaic functions in this project. The focus will also be placed on the studies of the relationship between the performance and architectures of self-assembled systems. Self-assembled multilayers containing mixed-valence dimetallic units will be constructed. These films are expected to exhibit efficient near-infrared electrochromism by manipulating the redox-controlled metal-to-metal charge-transfer transitions. New near-infrared emitting organometallic materials installing with ion-recognition site will be synthesized and used for switch-ON sensing of some important ions. The assembly between near-infrared organometallic dyes and inorganic semiconductor nanocrystals will be examined. These systems are suitable for applications in dye-sensitized solar cells and expected to boost the energy conversion efficiencies. The projects proposed herein will provide important materials for molecular electronics and new energy so

英文关键词： self-assembled monolayer；functional complexes；near infrared；electrochromism；ion sensing