Angewandte Chemie International Edition

Cover image for Vol. 54 Issue 49

Editor: Peter Gölitz, Deputy Editors: Neville Compton, Haymo Ross

Online ISSN: 1521-3773

Associated Title(s): Angewandte Chemie, Chemistry - A European Journal, Chemistry – An Asian Journal, ChemistryOpen, ChemPlusChem, Zeitschrift für Chemie

48_22/2009Cover Picture: Photoprogrammable Organic Light-Emitting Diodes (Angew. Chem. Int. Ed. 22/2009)

Programmable organic light-emitting diodes: UV irradiation converts an oxetane-functionalized dithienylethene derivative from its colorless open form into a dark blue closed form, while visible light reverses the reaction. In the Communication on page 4038 ff., K. Meerholz and co-workers describe a reversibly switchable organic light-emitting diode based on this principle.

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Also of Interest


M. d'Ischia et al. present in their Minireview on page 3914 ff. a class of biopolymers with potentially interesting optical and electronic properties, the eumelanins prepared from the oxidative polymerization of tyrosine.

Supramolecular Complexesfor002

The properties of supramolecular complexes arise from often very different interactions. H.-J. Schneider describes in his Review on page 3924 ff. how individual contributions can be differentiated and classified.


In their Communication on page 3978 ff., W. Richtering and co-workers report the packing of microgels at the oil–water interface. The structure of the interfacial microgel layers is found to be strongly pH-dependent.