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Synthesis of Bis(dithiobenzil) Metal Complex and Its Photostability  

Lee, Gun-Dae (Division of Applied Chemical Engineering, Pukyong National University)
Park, Na Yi (Division of Applied Chemical Engineering, Pukyong National University)
Jeon, Seung Yup (Division of Applied Chemical Engineering, Pukyong National University)
Heo, Jin (Division of Applied Chemical Engineering, Pukyong National University)
Son, Dae Hee (Research & Development Team, CFC)
Hwang, Tae Kyung (Research & Development Team, Mapro Co. Ltd.)
Park, Seong Soo (Division of Applied Chemical Engineering, Pukyong National University)
Publication Information
Applied Chemistry for Engineering / v.18, no.5, 2007 , pp. 433-437 More about this Journal
Abstract
Bis(dithiobenzil) metal complex, used as functional NIR absorbing dye and photostabilizer, was synthesized using bezoin and anisoin as intermediate compounds. And squarylium, a charge generation material, was synthesized to find its photostability effect. The structure of the product was determined by $^1H-NMR$ and FT-IR and the thermal property was analyzed by DSC and TGA. Optical property and photostability were determined by UV-Vis-NIR spectroscopy. High absorbance was obtained in the NIR range and maximum absorbing wavelength was shifted depending on the nature and position of substituent in the bis(dithiobenzil) metal complex. The photofading effect of squarylium decreased by the addition of bis(dithiobenzil) metal complex.
Keywords
NIR; metal complex; bis(dithiobenzil); photostabilizer; photofading;
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