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Organic nanoparticles: Preparation, self-assembly, and properties

机译:有机纳米颗粒:制备,自组装和性能

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摘要

The strong tendency of organic nanciparticles to rapidly self-assemble into highly aligned superlattices at room temperature,In when solution-cast from dispersions or spray-coated directly onto various substrates is described. The nanoparticle dispersions are stable for years. The novel precipitation process used is believed to result in molecular distances and alignments in the nanoparticles that are not normally possible. Functional organic light-emitting diodes (OLEDs)-which have the same host-dopant emissive-material composition-with process-tunable electroluminescence have been built with these nanciparticles, indicating the presence of novel nanostructures. For example. only changing the conditions of the precipitation process changes the OLED emission from green light to yellow.
机译:描述了当从分散体中溶液浇铸或直接喷涂在各种基材上时,有机纳米颗粒在室温下迅速自组装成高度排列的超晶格的强烈趋势。纳米颗粒分散体稳定多年。据信所使用的新颖的沉淀过程导致纳米颗粒中通常不可能的分子距离和排列。这些纳米粒子已经构建了功能相同的有机发光二极管(OLED),它们具有相同的主体掺杂发光材料组成,并且具有可调节工艺的电致发光,表明存在新型纳米结构。例如。只有改变沉淀过程的条件,OLED的发射才会从绿色变为黄色。

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