Correction to: A Highly-Efficient Type I Photosensitizer with Robust Vascular-Disruption Activity for Hypoxic-and-Metastatic Tumor Specific Photodynamic Therapy (Small, (2020), 16, 23, (2001059), 10.1002/smll.202001059)

Small 2020, 16, 2001059 https://doi.org/10.1002/smll.202001059 Some errors have been found in Figure 3e, Figure S9 and S13 in the original article. For PBV NPs and PB NPs in Figure 3e, the microscopy images demonstrating vasculature disruption at 12 h were inadvertently misused during figure compilation. In Figure S9, the images showing migration of tumor cells treated with 1.95 µg/mL PBV NPs at 0 h (row 1, column 2) and 12 h (row 2, column 2) were carelessly misused. In Figure S13, the H&E image of heart in group iv (row 1, column 4) was misused when compiling the figure. The corrected figures are shown below. 3 Figure (Figure presented.) e) Time-dependent vascular destruction process for vessels incubated with 10 µg mL⁻¹ of PB NPs and PBV NPs. Scale bars: 100 µm. S9 Figure (Figure presented.) 4T1 cell migration behavior at different concentration of PBV NPs under hypoxia. S13 Figure (Figure presented.) H&E staining results of heart, kidney and spleen. These changes do not alter the conclusions of the article. And the authors apologize for any confusion.