Fig. 4
From: Facile One-Pot Synthesis of Polydopamine Carbon Dots for Photothermal Therapy
Photothermal conversion properties of CD-PDA and CDs. a Photothermal heating curves of CD-PDA, CDs, PDA, and DI water under a power density of 2 W/cm2 NIR laser irradiation for 10 min. b Photothermal heating curves of CD-PDA at various concentrations during 10 min. c Photothermal heating curves of CD-PDA (200 μg/mL) with various original DA concentrations in Tris buffer. d Temperature increment of CD-PDA at various concentrations. e Cooling curve of CD-PDA (under a power density of 2 W/cm2 NIR irradiation in the first 10 min and naturally cooling to the room temperature). f Leaner time data versus − lnθ calculated according to the cooling curve of CD-PDA