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White Metallopolyynes for Optical Limiting/Transparency Trade-off Optimization

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  • This work was supported by a CERG grant from the Research Grants Council of the Hong Kong SAR, P.R. China (project no. HKBU 2022/03P) and Hong Kong Baptist University.

Abstract

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High-transparency optical limiters: A series of solution-processable white metallopolyynes are shown to be excellent optical power limiters (see picture) with optimized optical transparency/nonlinearity trade-off. They exhibit an optical-limiting performance superior to those of the common reverse saturable absorption dyes, such as C60 and metal phthalocyanine complexes.

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