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首页> 外文期刊>ACS applied materials & interfaces >Ruthenium Complex Containing Block Copolymer For the Enhancement of Carbon Nanotube Photoconductivity
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Ruthenium Complex Containing Block Copolymer For the Enhancement of Carbon Nanotube Photoconductivity

机译：含钌配合物的嵌段共聚物，用于增强碳纳米管的光电导性

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摘要

We report the synthesis of a multifunctional block copolymer incorporated with pyrene and ruthenium terpyridyl thiocyanato complex moieties by reversible addition-fragmentation chain transfer polymerization. The pyrene block in the copolymer facilitates the dispersion of multiwalled carbon nanotubes in DMF solution because of the strong π-π interaction between the pyrene moieties and nanotube surface. On the other hand, the ruthenium complexes greatly enhance the photosensitivity of the functionalized nanotubes in the visible region. The photo-current responses of the nanotubes at different wavelength measured by conductive AFM spectrum strongly agree with the absorption spectrum of the ruthenium complex. Theresults demonstrate a new and versatile approach in enhancing and fine-tuning the photosensitivity or other opto-electronic properties of carbon nanotubes by multifunctional block copolymers.
机译：我们报告了可逆的加成-断裂链转移聚合与with和钌的吡啶基硫氰酸根合钌配合物的多功能嵌段共聚物的合成。共聚物中的block嵌段促进了carbon碳纳米管在DMF溶液中的分散，因为the部分和纳米管表面之间存在很强的π-π相互作用。另一方面，钌络合物极大地增强了在可见光区域中官能化纳米管的光敏性。通过导电AFM光谱测量的不同波长的纳米管的光电流响应与钌络合物的吸收光谱强烈一致。结果证明了通过多功能嵌段共聚物增强和微调碳纳米管的光敏性或其他光电性质的新的通用方法。

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