Conjugated Diruthenium Metallaynes: Monomers, Dimers and Oligomers

无机，生物无机和有机金属化学项目支持迈阿密大学化学系Tong Ren的研究，研究高共轭低聚金属二钌。这些由二钌“桨轮”与聚炔交替组成。二钌单元由桥接配体如2-苯胺吡啶、N，N‘二芳基甲脒酸或N，N’ -二甲基苄脒酸支撑。这些二聚体由2个、4个或6个碳桥连接。钌单元可以改善低聚物中的电子通信和离域。这些金属-金属键合物质具有多种氧化还原状态，从而具有有趣的磁性、电泳性和显色性。任也在研究终端功能化低聚物的使用，作为分子“鳄鱼夹”，制造纳米级的电连接。这些化合物正被研究为潜在的“分子线”，即可以在纳米级电子电路中导电的单分子。对这些分子的电子通信和电导的基础研究可能会导致分子电子器件的出现。从事该项目的科学家将学习现代合成和表征技能，以及纳米图案和纳米结技术。

The Inorganic, Bioinorganic and Organometallic Chemistry Program supports the research of Tong Ren, Department of Chemistry, University of Miami, investigating highly conjugated oligomeric diruthenium metallaynes. These consist of diruthenium "paddle wheels" alternating with polyalkynes. The diruthenium unit is supported by bridging ligands such as 2-anilinopyridinate, N,N'diarylformamidinate, or N, N'-dimethylbenzamidinate. These dimers are linked by two, four, or six carbon bridges. The ruthenium units may improve electronic communication and delocalization in the oligomer. The multiple redox states accessible by these metal-metal bonded species allows interesting magnetic, electrophoric and chromophoric properties. Ren is also investigating the use of terminally functionalized oligomers that serve as molecular "alligator clips", making a nanoscale electrical connection.These compounds are being studied as potential "molecular wires", single molecules that can conduct electricity in a nanosized electronic circuit. Fundamental studies of electronic communication and conductance in these molecules may lead to molecular electronic devices. Scientists working on this project will learn modern synthetic and characterization skills as well as nanopatterning and nanojunction techniques.