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Table 2 Characterization of the films prepared using spraying approach

From: Comparative study of layer-by-layer deposition techniques for poly(sodium phosphate) and poly(allylamine hydrochloride)

Number of bilayers Roughness Thickness Contact angle
10-4 M 10-3 M 10-4 M 10-3 M 10-4 M 10-3 M
  μ σ μ σ μ σ μ σ μ σ μ σ
20 4.07 1.38 14.05 0.66 39.23 2.58 64.6 0.14 21.6 1.41 32.48 8.05
40 16.58 3.12 8.78 0.79 81.23 13.55 155 6.36 8.15 0.97 91 5.89
60 34.13 0.58 4.2 0.34 114.39 10.92 264.33 8.14 0 0 45.45 3.67
80 30 1.56 2.78 0.56 236.97 4.73 425.33 8.49 0 0 59.45 6.92
100 50.87 7.17 1.23 0.05 284.6 7.31 590.67 15.56 0 0 37.03 4.78