Exploration Of The Molecular Simulation For Left-handed Materials

Left-handed material has both negative permittivityεand permeabilityμ. The laws that it interacts with the electromagnetic waves is essential different with the traditional materials. So, this kind of material has some peculiar physical properties, such as negative Doppler effect, negative index of refraction, negative Cerenkov effect, etc. Besides its unique electromagnetic properties, The scientists'interest have been translated toward the design of devices for new applications and the improvement of existing ones, such as a lens, couplers, filters, etc. so far the research is essentially in the GHz region.In this dissertation, we simulated the structural features of left-handed material to design and four synthesize new organic compound and their structures are identified by NMR and IR. Two diarylethene crystals are prepared, and their structures are determined by single-crystal X-ray diffraction analysis. A new diarylethene of 4-bromo-1-phenylethynylphene was synthesized. It is a kind of conjugated organic molecular that simulated the structural features of left-handed material. The compound turns out to be a single-crystal. Its properties, including X-ray single-crystal diffraction analysis and optical property were investigated in detail.