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a) A typical TEM image of AuNCs. b) Photograph of a homogeneous mixture of AuNCs and PVDF obtained by mixing a suspension of AuNCs in ethanol with a PVDF solution in DMF. Transparent films were then cast from the mixture using a mold placed on a hot plate. c) Extinction spectra recorded from an ethanol suspension of AuNCs, PVDF film, and AuNC/PVDF film. The LSPR peak of the AuNCs red-shifted from ca. 733 nm in ethanol to ca. 800 nm in PVDF.
