Structure and photoluminescence of a benzil nanocolumn in a C-methylcalix[4]resorcinarene-based framework |
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Authors: | Ma Bao-Qing Vieira Ferreira Luis F Coppens Philip |
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Institution: | Department of Chemistry, State University of New York at Buffalo, Buffalo, New York 14260-3000, USA. |
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Abstract: | A new framework based on C-methylcalix4]resorcinarene and the flexible nonconjugated spacer 1,4-bis(imidazol-1yl-methyl)benzene encloses a large one-dimensional channel, containing benzil nanocolumns. Unlike in a previously reported series of benzil-containing supramolecular solids with conjugated linker molecules, benzil luminescence is observed, but the lifetime of 580 ns at 77 K is considerably shorter than the 145 micros reported for neat benzil at room temperature. |
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