Polymer Nanotubes from Phase
Supporting Information Selective Template Wetting Routes to Hierarchical Polymer Films: Polymer Nanotubes from PhaseSeparated Films via Solvent Annealing Hao-Wen Ko, Ming-Hsiang Cheng, Mu-Huan Chi, Chun-Wei Chang, and Jiun-Tai Chen* Department of Applied Chemistry, National Chiao Tung University, Hsinchu, Taiwan 30010
Figure S1. SEM images of AAO templates with pore sizes of ~150−400 nm: (a) top-view and (b) crosssectional view. The average pore diameter is ~240 nm.
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Figure S2. Images showing the contact angles of water drops on the polymer samples: (a) PMMA (Mw: 97 kg/mol) film and (b) PS (Mw: 35 kg/mol)/PMMA (Mw: 97 kg/mol) blend (1/2, wt/wt) film.
Figure S3. Images showing the contact angles of water drops on the nanotube-containing samples after the water drops are placed for 70 s: (a) PMMA (Mw: 97 kg/mol) film and (b) PS (Mw: 35 kg/mol)/PMMA (Mw: 97 kg/mol) blend (1/2, wt/wt) film.
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Figure S4. (a) Top-view SEM image of the PS (Mw: 35 kg/mol)/PMMA (Mw: 15 kg/mol) blend (1/2, wt/wt) film. (b) Top-view SEM image of the PS (Mw: 35 kg/mol)/PMMA (Mw: 38 kg/mol) blend (1/2, wt/wt) film. The samples are prepared by wetting the nanopores of AAO templates via selective solvent annealing in acetic acid vapors for 6 h.
Figure S5. (a) SEM image of the PS (Mw: 35 kg/mol)/PMMA (Mw: 97 kg/mol) blend (1/2, wt/wt) film prepared by wetting the nanopores of AAO templates via selective solvent annealing in acetic acid vapors for 12 h. (b and c) Images showing the contact angles of water drops on the nanotube-containing samples after the water drops are placed for 0 and 70 s, respectively.
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Figure S6. Images showing the contact angle of a water drop on the PS (Mw: 35 kg/mol)/PMMA (Mw: 97 kg/mol) blend (4/1, wt/wt) film.
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Figure S1. SEM images of AAO templates with pore sizes of ~150−400 nm: (a) top-view and (b) crosssectional view. The average pore diameter is ~240 nm.
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Figure S2. Images showing the contact angles of water drops on the polymer samples: (a) PMMA (Mw: 97 kg/mol) film and (b) PS (Mw: 35 kg/mol)/PMMA (Mw: 97 kg/mol) blend (1/2, wt/wt) film.
Figure S3. Images showing the contact angles of water drops on the nanotube-containing samples after the water drops are placed for 70 s: (a) PMMA (Mw: 97 kg/mol) film and (b) PS (Mw: 35 kg/mol)/PMMA (Mw: 97 kg/mol) blend (1/2, wt/wt) film.
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Figure S4. (a) Top-view SEM image of the PS (Mw: 35 kg/mol)/PMMA (Mw: 15 kg/mol) blend (1/2, wt/wt) film. (b) Top-view SEM image of the PS (Mw: 35 kg/mol)/PMMA (Mw: 38 kg/mol) blend (1/2, wt/wt) film. The samples are prepared by wetting the nanopores of AAO templates via selective solvent annealing in acetic acid vapors for 6 h.
Figure S5. (a) SEM image of the PS (Mw: 35 kg/mol)/PMMA (Mw: 97 kg/mol) blend (1/2, wt/wt) film prepared by wetting the nanopores of AAO templates via selective solvent annealing in acetic acid vapors for 12 h. (b and c) Images showing the contact angles of water drops on the nanotube-containing samples after the water drops are placed for 0 and 70 s, respectively.
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Figure S6. Images showing the contact angle of a water drop on the PS (Mw: 35 kg/mol)/PMMA (Mw: 97 kg/mol) blend (4/1, wt/wt) film.
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