Chemist

During internship at Epolin the applicant will learn and perform the following aspects of dye chemistry:

• Synthesis, purification, chemical modification of the different types of dyes and their precursors in mg to kg scale:
  • triarylamine (tris and tetrakis),
  • metal chelate dyes including dithiolenes, dithiolates, pyromethanes, porphyrins, and phthalocyanines
  • donor-acceptor dyes including squarilium, croconium dyes and merocyanines,
  • rylenes,
  • polymethine dyes.
• Optical spectroscopy of the dyes in solutions and in polymer matrixs – absorption, fluorescence, and related analysis – full width at half maximum, quantum yield of fluorescence. FTIR
• Thermal analysis of the dyes, dye blends and optical materials (TGA, melting point).

Skills: Completed Organic Chemistry I and II courses, ability to work with chemicals, solvents, glass reactors at large scale (up to 50L). Some organic chemistry lab experience is highly desirable.