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A Thermally Stabilized Fluorescent Organic Chromophore, Brendan P. Hughes
A Thermally Stabilized Fluorescent Organic Chromophore, Brendan P. Hughes
Graduate Dissertations and Theses
A fluorescent chromophore, hereby designated as cyanine dye, has been bound to generated zinc oxide nanoparticles. It has been shown that the material not only retains the characteristic absorption peak of the native chromophore, but it also continues to fluoresce with comparable intensity. The binding occurs through a Zn – O2C bridge, which allows for vibrational relaxation as the dye heats up, yet also preserves the optical properties of the dye. This bond linkage can be observed from the comparison of FT-IR spectra of the nanoparticles and the native dye, designated by a shift in one of the …