Abstract

A new strategy to develop polysiloxane ( P2 ) with a high density of the multifunctional indole-based chromophore is presented. Thus a polysiloxane ( P1 ) with indole as side chains was first synthesized through hydrosilylation reaction, and then the post azo coupling of p-nitrobenzenediazonium fluoroborate toward the indole ring afforded a mulifunctional indole-based chromophore-functionalized polysiloxane ( P2 ). The polymers exhibit excellent solubility in common organic solvents and are thermally stable. The poled lilm of P2 reveals a resonant d 33 value of 25 pm/V by second harmonic generation ( SHG ) measurements.

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