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Gold nanocomposite assemblies using functionalized Ru(II)-polypyridyl complexes

机译:使用官能化Ru(II)-polypyridyl复合物的金纳米复合材料组件

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Ru(II)-polypyridyl complexes with various surface anchoring functional groups were prepared at room temperature and utilized as capping and engineering agents to attain surface functionalized gold nanocomposites (Au NCs) with unique morphologies without structure directing templates or functionalized thin films. To corroborate the morphological features obtained by the place-exchange methodology, functionalized Ru(II)-polypyridyl complexes with different surface binding groups such as thiol, ketone, hydrazone and carboxylic acid groups were studied. Au nanocubes, chain and random assemblies were attained upto the microscale level using these Ru(II)-polypyridyl complexes with functional groups acting as Au NP surface binding molecular clips. The morphological and optical changes on the Au NP surface before and after functionalization were studied using electron microscopies (HRTEM with EDS, STEM, SEM), UV-vis and photoluminescence (PL) spectroscopy.
机译:Ru(II)在室温下制备具有各种表面锚固官能团的丙基吡啶络合物,并用作封端和工程剂,以获得表面官能化的金纳米复合材料(Au ncs),其具有独特的形态,无需结构引导模板或官能化的薄膜。 为了证实通过地位交换方法获得的形态学特征,研究了用不同表面结合基团如硫醇,酮,腙和羧酸基团的官能化Ru(II) - 戊吡啶络合物。 使用这些Ru(II) - 用作Au NP表面结合分子夹的官能团的挥霍吡啶络合物来实现Au纳米孔,链和随机组件。 使用电子显微镜(HRTEM具有EDS,STEM,SEM),UV-Vis和光致发光(PL)光谱研究了官能化之前和之后的形态学和光学变化。

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