Fig. 1 Schematic illustration for the preparation of AgNPs@GO

Fig. 2 Photographs of AgNPs@GO powder (a) and its sol (b)

Fig. S1 UV-Vis spectra of AgNPs、GO and AgNPs@GO aqueous dispersions

Fig. S2 UV-Vis spectra of PE, 0.48wt%-AgNPs/PE, 2.88wt% -AgNPs/PE, and 0.48wt%-AgNPs@GO/PE

Fig. 3 TEM (a, b) and HRTEM (c) images of AgNPs@GO, and statistical result of the particle size distribution of AgNPs loaded on AgNPs@GO (d)

Fig. 4 XRD patterns of GO and AgNPs@GO(a); XPS C1s spectra of GO (b); XPS spectra C1s (c), O1s (d), Ag3d(e) of AgNPS@GO, and AES energy spectrum (f) of Ag

Fig. S3 IR spectra of PE, 0.48wt%-AgNPs/PE, 2.88wt%- AgNPs/PE, and 0.48wt%-AgNPs@GO/PE

Fig. 5 Photograph of inhibition zone of Pseudomonas aeruginosa ((1) paper coated with AgNPs@GO, (2) paper coated with GO, (3) paper coated with AgNPs) (a) and results of experimental data of inhibition zone of AgNPs@GO, GO and AgNPs (b)

Fig. 6 Photos (a) and turbidity (b) of the bacteria liquid in each test tube at different time (The upper limit of turbidity measurement is 4 MCF) and its counting curves of the bacterial culture on the nutrient agar plate at different time (c)

Fig. 7 Inhibition of Pseudomonas aeruginosa growth test results Line 1: Blank control group; Line 2: 0.48wt%-AgNPs/PE; Line 3: 2.88wt%-AgNPs/PE; Line 4: 0.48wt%-AgNPs@GO/PE

Fig. 8 The results of water vapor transmission rate experiments

Fig. S4 Water vapor transmittance data of PE sheet is 0.03885 g/(m2?d)

Fig. S5 Water vapor transmittance data of 0.48wt%-AgNPs/PE sheet is 0.07477 g/(m2?d)

Fig. S6 Water vapor transmittance data of 2.88wt%-AgNPs/ PE sheet, 0.09484 g/(m2?d)

Fig. S7 Water vapor transmittance data of 0.48wt%-AgNPs@GO/PE sheet, 0.02410 g/(m2?d)

Fig. 9 The results of the dissolution tests