Optimising reaction conditions in flasks for performances in organic light-emitting devices†

IF 7.6 1区 化学 Q1 CHEMISTRY, MULTIDISCIPLINARY
Koki Ikemoto, Misato Akiyoshi, Ayano Kobayashi, Hiroshi Kita, Hideo Taka and Hiroyuki Isobe
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引用次数: 0

Abstract

A method for correlating reaction conditions with device performance was developed by combining Design-of-Experiments and machine-learning strategies in multistep device fabrication processes. This method allowed the “from-flask-to-device” optimisation of a macrocyclisation reaction yielding a mixture of methylated [n]cyclo-meta-phenylenes, and a crude raw material was directly applied to the fabrication of Ir-doped organic light-emitting devices via spin-coating. The method succeeded in eliminating energy-consuming and waste-producing separation and purification steps during device fabrication. The device using the optimal raw mixture material recorded a high external quantum efficiency of 9.6%, which surpassed the performance of purified materials. The raw material method was also found to be applicable to screen-printing processes, and image-transferred OLEDs were fabricated using the low-cost, environmentally benign materials.

Abstract Image

有机发光器件性能的烧瓶反应条件优化
结合实验设计和机器学习策略,提出了一种在多步骤器件制造过程中将反应条件与器件性能相关联的方法。该方法允许“从烧瓶到器件”的大环化反应优化,产生甲基化[n]环间苯的混合物,并且通过旋转涂层直接将粗原料应用于制造掺杂ir的有机发光器件。该方法成功地消除了装置制造过程中耗能和产生废物的分离和净化步骤。采用最佳混合原料制备的器件外量子效率高达9.6%,超过了纯化材料的性能。原材料方法也被发现适用于丝网印刷工艺,并且使用低成本,环保的材料制造了图像转移oled。
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来源期刊
Chemical Science
Chemical Science CHEMISTRY, MULTIDISCIPLINARY-
CiteScore
14.40
自引率
4.80%
发文量
1352
审稿时长
2.1 months
期刊介绍: Chemical Science is a journal that encompasses various disciplines within the chemical sciences. Its scope includes publishing ground-breaking research with significant implications for its respective field, as well as appealing to a wider audience in related areas. To be considered for publication, articles must showcase innovative and original advances in their field of study and be presented in a manner that is understandable to scientists from diverse backgrounds. However, the journal generally does not publish highly specialized research.
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