| abstract |
(57) [Problem] To provide an organic thin film having excellent tertiary nonlinear optical characteristics and high light transmittance, heat resistance and light resistance. SOLUTION: In a metal dibenzophthalocyanine compound, a compound having titanium oxide (TiO), vanadium oxide (VO), molybdenum oxide (MoO), or tin (Sn) as a central metal M is used alone or mixed with another compound. Or an organic thin film used alternately with other compounds. |