A Compact Device for the Efficient, Electrically Driven Generation of Highly Circularly Polarized Light
✍ Scribed by M. Grell; M. Oda; K. S. Whitehead; A. Asimakis; D. Neher; D. D. C. Bradley
- Publisher
- John Wiley and Sons
- Year
- 2001
- Tongue
- English
- Weight
- 178 KB
- Volume
- 13
- Category
- Article
- ISSN
- 0935-9648
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✦ Synopsis
1000 G). This change may be associated with the large anisotropy of the ground spin state of the Co 4 cluster. In fact, the signal is largely dependent on the orientation of the Co 4 cluster with respect to the magnetic field, as observed in single crystals. In order to rule out the possibility of oxidation of the polyanion, a LB film of DODA/ [Co 4 (H 2 O) 2 (P 2 -W 15 O 56 ) 2 ] was treated with iodine. No change in the EPR spectra was observed.
In this work we have reported the first example of organized LB films formed by alternating monolayers of polyoxometalate clusters that possess high magnetic moments, and SF-EDT p-electron donor molecules that support an electron delocalization. The hybrid organic±inorganic character of these LB films is one of the most interesting features, as it paves the way to design materials that cannot be created by conventional synthesis. Indeed, the synthetic strategy developed here provides a useful approach to creating multilayered structures comprising two different types of functional molecular units, which is the critical step towards the construction of multifunctional molecular materials exhibiting magnetic, electrical, and optical properties.