Photoluminescence Changes Induced by Self-Organisation in Bridged Silsesquioxanes

Luís D. Carlos; Rute A. Sá Ferreira; Sonia S. Nobre; Michel Wong Chi Man; Joël J. E. Moreau; Catherine Bied; Benoit Pichon

doi:10.4028/www.scientific.net/MSF.514-516.118

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HomeMaterials Science ForumMaterials Science Forum Vols. 514-516Photoluminescence Changes Induced by...

Photoluminescence Changes Induced by Self-Organisation in Bridged Silsesquioxanes

Abstract:

Two organo-bridged silsequioxanes derived from the same molecular precursor were synthesized with completely different local structure, namely long-range ordering. The photoluminescence features (emission, excitation, and time-resolved modes) were studied in the temperature range 13-300 K and compared with those of the molecular precursor. The effects of the self-assembling of the nanobuild blocks on these emission properties were discussed in terms of the magnitude of the hydrogen bonds between adjacent organic groups.

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Materials Science Forum (Volumes 514-516)

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118-122

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.514-516.118

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Online since:

May 2006

Authors:

Luís D. Carlos, Rute A. Sá Ferreira, Sonia S. Nobre, Michel Wong Chi Man, Joël J. E. Moreau, Catherine Bied, Benoit Pichon

Keywords:

Bridged Silsesquioxane, Hybrid Organic-Inorganic Silica, Hydrolysis Condensation, Sol-Gel (SG)

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