Novel promising crosslinkable tricyanopyrroline polymeric electro-optic materials

作者：Liu, Jialei; Xu, Huajun; Liu, Xinhou; Zhen, Zhen; Kuznik, W.; Kityk, I. V.^*

来源：Journal of Materials Science: Materials in Electronics , 2012, 23(6): 1182-1187.

DOI：10.1007/s10854-011-0569-5

• ULTRALARGE
• MODULATORS

A tricyanopyrroline chromophore with methacrylate reactive group was synthesized to fabricate the side chain (polymer 1) and crosslinkable (polymer 2) EO (electro optic) polymers with enhanced electrooptical tensor coefficients. These type of polymers have demonstrated the large EO coefficients with values of 29 pm/V and 25 pm/V at wavelength 1,310 nm, respectively. Compared with polymer 1, t polymer 2 had demonstrated a better stability of polar structure. The thermal stability of polar structure was improved for about 100 A degrees C. The temperatures of poling and crosslinking processes were compatible in polymer 2, which allowed obtaining the EO films with improved features. The experimental results have been interpreted with the aid of quantum-chemical calculations.

• 出版日期2012-6
• 单位中国科学院理化技术研究所