Diphenyldiacetylene derivatives represented by the following formula (II);
(wherein R¹ denotes a hydrogen atom or a methoxy group; R² denotes a hydrogen atom, a methoxy group or a methylamino group; R³ denotes a hydrogen atom or a trifluoromethyl group; and R⁴ denotes a hydrogen atom or a trifluoromethyl group; provided that R¹ is not a hydrogen atom when R² is hydrogen atom and R³ is not a hydrogen atom when R⁴ is hydrogen atom) are capable of exhibiting a non-linear optical effect and can be polymerized in the solid state to form non-linear optical materials, photosensitive materials and semiconductive polymer materials.
下式(II)所代表的二苯基二
乙炔衍
生物;
(其中 R¹ 表示氢原子或甲氧基;R² 表示氢原子、甲氧基或甲基
氨基;R³ 表示氢原子或三
氟甲基;R⁴ 表示氢原子或三
氟甲基;R²为氢原子时,R¹不是氢原子;R⁴为氢原子时,R³不是氢原子)能够显示非线性光学效应,并可在固态下聚合形成非线性光学材料、光敏材料和半导电聚合物材料。