Dendrimer-Mediated Adhesion between Vapor-Deposited Au and Glass or Si Wafers.
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Here, we report the use of amine-terminated poly(amidoamine) (PAMAM) dendrimers as adhesion promoters between vapor-deposited Au films and Si-based substrates. This method is relatively simple, requiring only substrate cleaning, dipping, and rinsing. Proof of concept is illustrated by coating glass slides and single-crystal Si wafers with monolayers of PAMAM dendrimers and then evaporating adherent, 150-nm-thick Au films atop the dendritic adhesion promoter. Scanning tunneling microscopy and cyclic voltammetry have been used to assess the surface roughness and electrochemical stability of the Au films. The effectiveness of the dendrimer adhesion layer is demonstrated using standard adhesive-tape peel tests.
author list (cited authors)
Baker, L. A., Zamborini, F. P., Sun, L., & Crooks, R. M.
complete list of authors
Baker, LA||Zamborini, FP||Sun, L||Crooks, RM