3D-gold octahedral superstructures with microscale dimensions are fabricated on a poly(acrylic acid) (PAA) brush via the seed-mediated growth method. The influence of the thickness of the PAA brush on the gold structures is studied and the proposed mechanism is presented. The application of the as-prepared gold superstructures in SERS is investigated.
W. Wang, G. Ren and W. Cai, RSC Adv., 2015, 5, 60857 DOI: 10.1039/C5RA06547J
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