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Issue 33, 2012
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Aggregation induced emission in the rotatable molecules: the essential role of molecular interaction

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Abstract

Aggregation-induced emission (AIE) compounds, dye2 and dye3, with a rotatable N–N single bond and aza-crown-ether, have been synthesized. The fluorescence intensities of both dyes are very weak in THF, while become extraordinarily strong in a mixture of H2O–THF (v/v 95%). They are increased by 88.9 and 70.7 times, respectively, indicating enhanced blue-green fluorescence emissions. The λem of these two compounds in different states has been well studied. Besides this, dye1 and dye2 were characterized by single crystal X-ray structural determination. The results show that molecular interactions are formed in the particles, which considerably restrict the intramolecular vibration and rotation.

Graphical abstract: Aggregation induced emission in the rotatable molecules: the essential role of molecular interaction

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Publication details

The article was received on 18 Apr 2012, accepted on 21 Jun 2012 and first published on 26 Jun 2012


Article type: Paper
DOI: 10.1039/C2JM32405A
Citation: J. Mater. Chem., 2012,22, 16927-16932
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    Aggregation induced emission in the rotatable molecules: the essential role of molecular interaction

    Z. Yu, Y. Duan, L. Cheng, Z. Han, Z. Zheng, H. Zhou, J. Wu and Y. Tian, J. Mater. Chem., 2012, 22, 16927
    DOI: 10.1039/C2JM32405A

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