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A thermally activated photoluminescence memory effect, induced by a reversible order–disorder phase transition of the alkyl chains, is reported for highly organized bilayer alkyl/siloxane hybrids (see figure; left at room temperature, right at 120 °C). The emission energy is sensitive to the annihilation/formation of the hydrogen-bonded amide–amide array displaying a unique nanoscopic sensitivity (ca. 150 nm). Supporting information for this article is available on the WWW under http: //www. wiley-vch. de/contents/jc₂089/2007/c1435ₛ. pdf or from the author. Please note: The publisher is not responsible for the content or functionality of any supporting information supplied by the authors. Any queries (other than missing content) should be directed to the corresponding author for the article.
Carlos et al. (Tue,) studied this question.