1. H. Zollinger , Color Chemistry: syntheses, properties, and applications of organic dyes and pigments , VCH , New York , 1987
2. S. S. Sun and N. S.Sariciftci , Organic photovoltaics: mechanisms, materials, and devices , CRC Press , Boca Raton , 2005
3. Organic photovoltaics
4. P. N. Prasad and D. J.Williams , Introduction to nonlinear optical effects in molecules and polymers , Wiley , New York , 1991
5. Organic nonlinear optical materials: where we have been and where we are going