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Fig. 7 | Nanoscale Research Letters

Fig. 7

From: Modified silicas with different structure of grafted methylphenylsiloxane layer

Fig. 7

AFM scans of composites based on silica with immobilized PMPS using protocol 1. The photos illustrate the morphology of silica tablets composed from powders of SiO2 modified with PMPS by applying the protocol 1 (samples 1–3, the modifying mixture distribution at each stage was 25/35/40 vol.% of the total amount) that are synthesized according to the schemes: “from long to short” (L-S) 1, “middle”(M) 2 and “from short to long” (S-L) 3 (the ratio of PMPS/DMC in the modifying mixture at different stages of modification was 20/5.8/3.4, 5.5/5.5/5.5 and 3.4/5.8/20, respectively) (Table 1)

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