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. 2016 Mar 24;7:11119. doi: 10.1038/ncomms11119

Table 1. Summary of the polymer brush synthesis using mono-functionalized PCL single-crystal templates prepared at different crystallization temperatures (T c).

Polymer Tc (°C) hcrystal* (nm) hbrush (nm) Rq (nm) hbrush§ (nm) Rq|| (nm) σtheory (nm−2) σreal# (nm−2)
TEG-PCL30-SiOR 5 5.5 2.8 0.36 2.2 0.18 0.53 0.44
  15 9.0 3.9 0.38 3.2 0.29 0.89 0.65
  35 12.0 5.4 0.34 4.6 0.23 1.33 0.94
TEG-PCL16-SiOR 30 14.0 6.6 0.42 5.6 0.28 2.67 2.12

*Thickness of single-crystal lamellae measured using AFM.

As-prepared polymer brush thickness measured using AFM.

Root mean squared (r.m.s.) average of height deviations of polymer brush-covered regime obtained from AFM images of as-prepared polymer brushes.

§Polymer brush thickness after thermal annealing obtained from AFM.

||R.m.s. average of height deviations of polymer brushes covered regime obtained from AFM images of polymer brushes after thermal annealing.

Theoretical grafting density of polymer brushes assuming all alkoxysilane chain ends on one side of the crystal are coupled with the glass surface.

#Calculated grafting density of polymer brushes using equation (1) based on experimental results.