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The performance of polycrystalline thin film CdTe solar cells is limited by as yet poorly understood deep level defects which serve as recombination centers. Electron paramagnetic resonance (EPR) has unrivaled analytical power and sensitivity in the identification of deep level defects in semiconductors; however, very little EPR literature exists with regard to technologically relevant processing...
A new mixed ligand ruthenium(I) complex of the composition [Ru2(O2CCF3)2(CO)5] (1) has been prepared by refluxing Ru3(CO)12 with trifluoroacetic acid in a dichloromethane/benzene mixture. Crystals of 1 were obtained by gas phase sublimation of the crude product at 110°C. The X-ray diffraction study has revealed a tetranuclear `8dimer of dimers' 9 structure [Ru2(O2CCF3)2(CO)5]2 in 1. Complex 1 can...
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