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Cu2+ Ion-Induced Self-Assembly of Pyrenylquinoline with a Pyrenyl Excimer Formation
- Authors
- Jung, Hyo Sung; Park, Mirae; Han, Do Young; Kim, Eunmi; Lee, Chewook; Ham, Sihyun; Kim, Jong Seung
- Issue Date
- Aug-2009
- Publisher
- AMER CHEMICAL SOC
- Citation
- ORGANIC LETTERS, v.11, no.15, pp 3378 - 3381
- Pages
- 4
- Journal Title
- ORGANIC LETTERS
- Volume
- 11
- Number
- 15
- Start Page
- 3378
- End Page
- 3381
- ISSN
- 1523-7060
1523-7052
- Abstract
- Synthesis of a novel pyrene derivative sensor (1) and its intermolecular binding pattern to Cu2+ in CH3CN were investigated. Upon Cu2+ binding, the sensor exhibited a strong static excimer emission at 460 nm, along with a weak monomer emission at 388 nm. The excimer emission intensity induced by the Cu2+ ion declined as the spacer length between the pyrene and quinolinylamide unit increased. The Cu2+ ion-induced self-assembled pyrenyl excimer formation is rationalized by fluorescence experiments and theoretical DFT calculations.
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