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Figure 3

From: Broadband absorption and enhanced photothermal conversion property of octopod-like Ag@Ag2S core@shell structures with gradually varying shell thickness

Figure 3

(a,b) The TEM image and XRD pattern of the Ag2S nanospheres, (c) The optical absorption spectra of the Ag@Ag2S core@shell structures, Ag nanocubes and Ag2S nanospheres. The spectra were recorded with 0.1 mg·mL−1 aqueous suspensions. (d) The model used to represent the Ag@Ag2S core@shell structures and schematic illustration of broadband absorption spectrum caused by varying shell thickness.

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