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2 protocols using mn p2vp

1

Synthesis of Gold Nanoparticles using PS-b-P2VP Polymer

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Poly (styrene-2-vinylpyridine) (PS-b-P2VP) (Mn (PS) = 50,000 g mol−1; Mn (P2VP) = 16,500 g mol−1; Mw/Mn = 1.06) was obtained from Polymer Source Inc. Sodium dodecyl sulfate (SDS), dopamine hydrochloride, Gold(III) chloride trihydrate (HAuCl4·3H2O), analytical grade toluene, ethanol, 4-nitrophenol (Nip), and sodium borohydride (NaBH4) were purchased from Sigma-Aldrich and used as received. De-ionized water was used for all aqueous solutions. Tetrahydrofuran (THF) was purchased from Fisher Scientific UK and used as received.
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2

Macroporous Silicon Monoliths with PS-b-P2VP

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Materials: Macroporous silicon with a pore diameter of 1 µm, a pore depth of 700 nm and a lattice constant of 1.5 µm was obtained from SmartMembranes (Germany). Cylinder-forming PS-b-P2VP (M n (PS) = 101 kg/mol, M n (P2VP) = 29 kg/mol, polydispersity = 1.6) was purchased from Polymer Source Inc. (Canada). Tetrahydrofuran (THF, ≥99.9%), ethanol (≥99.9%), rhodamine B (≥95%) and 1-dodecanethiol (≥98%) were obtained from Sigma Aldrich. PDMS prepolymer formulation (Sylgard® 184) was supplied by Dow Corning Corporation. K 2 S 2 O 3 , KOH, K 3 Fe(CN) 6 and K 4 Fe(CN) 6 were obtained from Alfa Aesar; 1-octanol was purchased from Merck. All chemicals were used without further purification. Silicon wafers as the substrates to prepare the macroporous PS-b-P2VP monoliths were cut into the size of 2 cm × 2 cm, ultrasonicated at least three times in ethanol and dried before use.
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