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Fig. 3 | Journal of Nanobiotechnology

Fig. 3

From: Photogenerated reactive oxygen species and hyperthermia by Cu3SnS4 nanoflakes for advanced photocatalytic and photothermal antibacterial therapy

Fig. 3

A–C Infrared thermal images and corresponding photothermal heating curves of pure water and aqueous dispersions of Cu3SnS4 at different Cu3SnS4 concentrations under continuous irradiation by a 808 nm laser with a power density of 2.5 W cm−2. D, E Photothermal heating curves of aqueous dispersions of Cu3SnS4 by a 808 nm laser with varied power density. F Temperature changes of Cu3SnS4 aqueous dispersions over nine cycles of irradiation/cooling processes. G The temperature profile of Cu3SnS4 aqueous dispersions irradiated with a 808-nm laser, followed by natural cooling after the laser was turned off. H Determination of the system time constant using linear regression of the cooling profile shown in (G). I Cu ions release from the Cu3SnS4 in PBS (pH 7.4) in the presence or absence of the NIR irradiation

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