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Issue 17, 2018
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Metal free room temperature phosphorescence from molecular self-interactions in the solid state

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Abstract

Purely organic materials showing solid state room temperature phosphorescence (RTP) are attracting an ever growing interest due to their low toxicity, cost and environmental load compared to their organometallic counterparts. In addition, specific features potentially associated with organic phosphorescent materials, such as long afterglow lifetimes, have opened the way to new possible applications including low-cost anti-counterfeiting technologies, temperature monitoring, sensing and bio-imaging. RTP of organic molecules is reviewed here for the cases where intermolecular interactions among molecules of one type only are involved. In particular, the selection is focused on papers dealing with self-interactions of halogen bonding (XB) and π–π type. After recalling a few basic concepts underlying emission phenomena, a selection of examples where XB and π–π interactions are involved, separately or in conjunction, is reported. In the cases where different interpretations have been given for the same class of molecules, we have gathered and discussed the different suggested mechanisms.

Graphical abstract: Metal free room temperature phosphorescence from molecular self-interactions in the solid state

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Publication details

The article was received on 28 Feb 2018, accepted on 09 Apr 2018 and first published on 09 Apr 2018


Article type: Review Article
DOI: 10.1039/C8TC01007B
Citation: J. Mater. Chem. C, 2018,6, 4603-4626
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    Metal free room temperature phosphorescence from molecular self-interactions in the solid state

    A. Forni, E. Lucenti, C. Botta and E. Cariati, J. Mater. Chem. C, 2018, 6, 4603
    DOI: 10.1039/C8TC01007B

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