Creation of luminescence conversion devices composed of ubiquitous elements responsive to external stimuli based on the control of self-assembly

2015 Fiscal Year Final Research Report

• Project/Area Number: 25288036
• Research Category: Grant-in-Aid for Scientific Research (B)
• Allocation Type: Partial Multi-year Fund
• Section: 一般
• Research Field: Functional solid state chemistry
• Research Institution: Osaka University
• Principal Investigator: TOHNAI NORIMITSU 大阪大学, 工学(系)研究科(研究院), 准教授 (30346184)
• Co-Investigator(Renkei-kenkyūsha): HISAKI ICHIRO 大阪大学, 大学院工学研究科, 助教 (90419466)
• Project Period (FY): 2013-04-01 – 2016-03-31
• Keywords: 超分子集合体 / 有機結晶 / 固体発光 / 刺激応答性発光変換 / 有機塩

Outline of Final Research Achievements

The purpose of this study is to elucidate the relationship between molecular arrangements and solid state luminescent properties and to establish the methodology to dynamically design the properties by external stimuli. The supramolecular assemblies composed of luminophores were constructed with non-covalent bonds such as hydrogen bond to control ππ stacking manners between luminophores. Bisaminophenylanthracene derivatives or their organic salts as a luminophore were assembled into various molecular arrangements in crystalline state. Some of the crystals were transformed by chemical and physical stimuli to dynamically change luminescent properties; color, intensity, process and life time. Moreover, relationship between molecular arrangements and luminescent properties were clarified by comparison among luminescent phenomena of bisaminophenylanthracene derivatives.

Free Research Field

超分子化学、結晶工学、光化学