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. 2021 Mar 29;12(16):5918–5925. doi: 10.1039/d1sc00126d

Fig. 3. (A) Photothermal heating curves of water, TPP NPs, 1-Ir NPs and 4-Ir NPs (6 × 10−5 M) in aqueous solution under irradiation (635 nm, 0.8 W cm−2); (B) 4-Ir NPs with different concentrations under irradiation (635 nm, 0.8 W cm−2); (C) 4-Ir NPs (6 × 10−5 M) with different laser power densities; (D) photothermal effect of the 4-Ir NPs (6 × 10−5 M) dispersions under irradiation (635 nm, 0.8 W cm−2), which was turned off after irradiation for 300 s; (E) plot of cooling time versus negative natural logarithm of the temperature obtained from the cooling stage of the 4-Ir NPs; (F) temperature variations of the 4-Ir NPs under irradiation (635 nm, 0.8 W cm−2) for five light on/off cycles (300 s of irradiation for each cycle).

Fig. 3