Abstract:Nickle tetrasulfo-phthalocyanine (NiTSPc) and Lead phthalocyanine (PbPc) are introduced respectively into silica gel glass matrix by sol-gel technique. Homogeneously doped composites are produced, and optical limiting examination was carried out. The results show that the change in matrix composition, structure and sol-gel process will influence the chemical micro-environment and excited state physical process of doped metallo phthalocyanine, resulting in the change in composite’s optical limiting behaviors.
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