Research / 2021 / Article / Fig 10

Review Article

Afterglow Carbon Dots: From Fundamentals to Applications

Figure 10

Fluorescence (a) and phosphorescence (b, c) images of CDs@SiO2-treated onion bulb epidermal tissue. Note that the delay times for (b) and (c) are 0.5 and 1 s, respectively. Scale bar: 200 μm. (d–f) Bright-field, fluorescence, and phosphorescence images of CDs@ SiO2-treated mouse breast carcinoma EM-6 cells. The delay time for (f) is 1 s. Scale bar: 50 μm (adapted and copyright permission [46] (a–f), American Chemical Society).