The present invention 2 comprises a carbazole having a characteristic which can be represented by the following formula (1) used as the photoconductive material with high optical refraction in has a non-linear optical properties at the same time {3- [2- (9-decyl -9H- carbazol-3-yl) vinyl] -5,5-dimethyl-cyclo hex-2-alkylpiperidinyl} words, non-nitrile and to a method of manufacturing the same:;
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