Advanced Materials

Cover image for Vol. 28 Issue 32

20_14/2008Cover Picture: Supramolecular Organization and Photovoltaics of Triangle-shaped Discotic Graphenes with Swallow-tailed Alkyl Substituents (Adv. Mater. 14/2008)

The cover shows novel triangle-shaped discotic graphenes that are substituted by swallow-like alkyl tails and allow facile purification, control over thermotropic properties, and solution fabrication into efficient photovoltaic devices. Xinliang Feng, Wojciech Pisula, Klaus Mullen, and co-workers report on p. 2684 that this unique molecular design results in an extremely broad liquid-crystalline range and the ability to self-heal at low processing temperatures, which improves the performance of photovoltaic cells.

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