Design and preparation of novel polyarylene ether materials based on Diels–Alder reaction as the crosslinker for electrooptical modulators

• Novel arylene thin organic films were prepared.
• The EO magnitude of this novel EO material was – 66 pm/V at1320 nm.
• The long term stability at 85 °C allow to apply it for organic electro optical devices.

Novel crosslinkable organic linear electro-optical (EO) material based on polyarylene ether as the main chain host polymer was designed and prepared. The host polymer with rigid aromatic has demonstrated a good compatibility with the guest chromophore. Long side chain with anthracene ensured the crosslinkable reaction and appropriate glass transition temperature of the host polymer (55 °C). The EO r33 tensor coefficient for this novel EO material has been magnitude of 66 pm/V at 1310 nm and the excellent long term stability at 85 °C. These parameters permit to consider their application in fabrication of organic electro optical devices. The semi-empirical and DFT quantum chemical simulations were performed for 4 principal chromophores to clarify a role of cross-linker in the enhancement of the ground state dipole moments and effective hyperpolarizabilities.

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