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Gel Polymer Electrolyte From Poly(Acrylamide) Coated On Natural Rubber Latex By Topology-Controlled Emulsion Polymerization For Dye Sensitized Solar Cells Application

Pensiri Silakul, Rathanawan Magaraphan

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Gel polymer electrolyte for dye sensitized solar cell application was synthesized from the hydrophilic polyacrylamide (PAM) grafted on natural rubber (NR) particles as flexible substrates at different monomer concentrations (40, 60, and 80% wt) in order to improve ionic conductivity. The seed emulsion polymerization of polyacrylamide on the surfaces of NR particles was carried out to obtain the core-shell structure using the redox couple initiator, tetraethylene pentamine (TEPA) and cumene hydroperoxide (CHP). Moreover, pyrrole monomer was polymerized on the modified rubbers via chemical oxidative polymerization by using iodine as a dopant and initiator. The synthesized materials were characterized by FTIR, grafting efficiency (% GE), degree of swelling (% DS) and ion conductivity.