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. 2019 Oct 7;4(1):1900054. doi: 10.1002/gch2.201900054

Figure 5.

Figure 5

Characterization of E. coli colonies on different substrates without and with solar treatment. Optical image of E. coli colonies without solar treatment on a) PDMS, b) glass, and c) graphene‐coated glass. SEM image of E. coli colonies without solar treatment on d) PDMS, e) glass, and f) graphene‐coated glass. Optical image of E. coli colonies after 10 min solar treatment on g) PDMS, h) glass, and i) graphene‐coated glass. SEM image of E. coli colonies after 10 min solar treatment on j) PDMS, k) glass, and l) graphene‐coated glass.