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New Functional Dyes: Molecular Design, Property Improvement and Applications Peng Xiaojun State Key Laboratory of Fine Chemicals, Dalian University of Technology, Dalian 116012 Functional dyes are much different from traditional dyes. Since Perkin's discovery of Mauveine (the first synthetic dye) in 1856, dye industry has experienced several important stages, and become the essential materials for textile, paint, printing and other important industries. Dye color has been a constant companion of mankind. With the rapid development of high-tech such as photo-electronics, information materials, and life science, dyestuff industry faces new challenges for new application functions. For example, information materials need new dyes with excellent fastness under harsh conditions of intense light, high temperature or electric driving; and biomedical application requires fluorescence probes can recognize bio-markers from complicated biological environments. As chemical structure determines the property of dye, this talk will mainly introduce the recent progress of these functional dyes in my group, especially in dye molecular structure design, energy relaxation of excited states, property improvements, and industrial applications in digital ink-jet printing and hemocyte analysis. |
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