Abstract
We report enhanced and broad-band photoluminescence (PL) behavior of C60 doped in porous silica glasses. By carrying out photoluminescence and photoluminescence-excitation spectroscopy of C60 doped in surface-unpassivated and -passivated porous glasses, we show that the interaction of C60 with the silica surface is quite strong and that the modified C60 molecules contribute only in the orange-red region (∼1.9 eV) of the observed PL spectrum. The PL intensity in the blue-green region (∼2.3 eV) observed in doped glasses is found to originate in the porous glass itself.
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Received: 13 July 2000 / Revised version: 24 January 2001 / Published online: 9 May 2001
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Joshi, M., Ingale, A. Photoluminescence in fullerene-doped porous glasses. Appl Phys B 72, 941–945 (2001). https://doi.org/10.1007/s003400100597
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DOI: https://doi.org/10.1007/s003400100597