Cataloged from PDF version of article.The in silico design of tetraradical S 1 states was validated experimentally through synthesis, followed by characterization including phosphorescence measurements, use of trap molecules, and cell culture studies, leading to a series of orthogonal dimers of Bodipy chromophores with remarkable singlet oxygen efficiencies (see picture). A new path for the rational development of efficient photosensitizers is thus revealed. Copyright © 2011 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim

We introduce a novel class of water soluble, extended conjugation boradiazaindacene dyes which are efficient singlet oxygen generators and have spectacular photoinduced cytotoxicity when excited in the "therapeutic window" of the electromagnetic spectrum.

This paper presents original results obtained in the development of the moonie-type transducers for actuator applications. The moonie-type actuators fill the gap between multilayer and bimorph actuat.ors, but its positiondependent displacement and low generative force are unacceptable for certain applications. The moonie transducers were modified systematically by using finite element analysis combined with experimental techniques. A new transducer design, named "cymbal transducer", was developed with larger displacement, larger generative forces, and more cost-effective manufacturing. The cymbal transducers consist of a cylindrical ceramic element sandwiched between two truncated conical metal endcaps and can be used as both sensors and actuators. The cymbal actuator exhibits almost 40 times higher displacement than the same size of ceramic element. Effective piezoelectric charge coefficient, Eff. d33, of cymbal is roughly 40 times higher than PZT itself.

Ferroelectric materials with high photovoltaic properties are of interest for new optical devices such as photostrictive ceramic actuators. However, fabrication of these devices requires development of materials exhibiting high photovoltage and photocurrent. In pursuit of these high performance photostrictive materials, the present research examines the influence of illumination intensity, degree of polarization, and sample thickness on the photostrictive response of WO3 doped lanthanum-modified lead zirconate titanate (Pb, La)(Zr, Ti)O3 ceramics prepared by oxide mixing process. A model for calculating the optimum sample thickness for maximum photostrictive response is proposed. This model agrees well with experimental results, and should be useful in designing photostrictive devices.

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Das rechnergestützte Design tetraradikalischer S1‐Zustände wurde experimentell durch Synthese und anschließende Charakterisierung einschließlich Phosphoreszenzmessungen, Gebrauch von Einfangmolekülen und Zellkultur‐Untersuchungen bestätigt. Dies führte zu einer Reihe orthogonaler Bodipy‐Chromophor‐Dimere mit bemerkenswerten Singulett‐Sauerstoff‐Effizienzen (siehe Bild). Ein neuer Weg für die rationale Entwicklung effizienter Photosensibilisatoren wird somit vorgestellt.

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