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Fig. 10 | Nanoscale Research Letters

Fig. 10

From: Structural and Chemical Modifications Towards High-Performance of Triboelectric Nanogenerators

Fig. 10

Schematic representations of surface functionalized negative and positive PETs with adopted molecules. The PET/ITO substrates were treated by O2 plasma to form hydroxyl (–OH) groups on the PET surface for strong hydrogen bonding with target molecules. a PET surfaces were functionalized with halogen (Br, F, and Cl)-terminated phenyl derivatives for negatively charged surfaces. b Aminated molecules, such as linear polyethyleneimine (PEI(l)), hexyltrimethoxysilane (HTMS), poly-L-lysine (PLL), 3-aminopropyltrimethoxysilane (APTES), and branched polyethylenimine (PEI(b)), were functionalized on the O2 plasma treated PET surfaces (Reproduced with permission from Ref. [77])

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