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SEM images of the MCNTs, PE microplastic, MCNTs−PE and the mechanism and phenomenon diagram of MCNTs−coated PE: (a–c) at magnification × 10 k, 50 k, 100 k; SEM images of PE microplastic (d–f) at magnification × 500, 5 k, 50 k; SEM images of MCNTs−PE (g–i) at magnification × 500, 5 k, 50 k, respectively. (j) The mechanism diagram of MCNT−coated PE; (k) the phenomenon diagram of MCNT−coated PE.
