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. 2016 Feb 29;11:112. doi: 10.1186/s11671-016-1324-x

Fig. 2.

Fig. 2

Adhesion test of the treated PDMS surface: bonding force characterizations of the PDMS film with chemical surface functionalization with different materials. a Bulk silver. b Bonding sliver from the Si using the treated PDMS. c PDMS treated by different methods. d Silver film on the PDMS substrate before treatment. e Silver film on the PDMS substrate after treatment