NOVELTY - A carbazolyl porphyrin-triphenylamine copolymer material (III).    USE - Carbazolyl porphyrin-triphenylamine copolymer material for use in field of organic semiconductor materials such as polymer solar cell, organic electroluminescence, organic FET (all claimed), organic laser storage, organic non-linear material and organic laser.    ADVANTAGE - The material has better energy conversion efficiency.    DETAILED DESCRIPTION - A carbazolyl porphyrin-triphenylamine copolymer material of formula (III).    n=1-100;and    R1, R2=H or 1-32C alkyl.    INDEPENDENT CLAIMS are also included for the following:    (1) a method for preparing a carbazolyl porphyrin-triphenylamine copolymer material involves reacting raw materials of a (1Z,4E,9Z,15E) -5,15-dibromo-10,20-bis-(9-methyl-9H-carbazol-2-yl)-porphyrin substituted compound of formula (I) and a phenyl-bis-(4-(4,4,5,5,-tetramethyl-(1,3,2)dioxaborolon-2-yl)-phenyl)-amine compound of formula (II) to obtain a crude product    (2) an application of the copolymer material for making an organic solar cell device comprising a glass substrate with a conductive layer, a poly (3, 4-ethylidene dioxygen thiophene) layer, a poly (styrene sulfonate) layer, an active layer on the poly (3, 4ethylidene dioxygen thiophene), a metal aluminum layer and an epoxy resin for packing each layer, where the a poly (styrene sulfonate) layer coated on the conductive layer and metal aluminum layer is deposited on the active layer, and the active layer includes an electron donor material and an electron receptor material, where the electron receptor material is (6, 6) phenyl-C61-methyl butyrate and the electron donor material is the copolymer material containing carbazolyl porphyrin-triphenylamine    (3) an application of the copolymer material for making an organic electroluminescent device comprising a conductive layer on a glass substrate, a light emitting layer coated on a conductive layer, a lithium fluoride buffer layer coated on the light emitting layer in an evaporation way and a metal aluminum layer deposited on the lithium fluoride buffer layer, where the light emitting layer is made of the copolymer material containing carbazolyl porphyrin-triphenylamine    (4) an application of the copolymer material for making an organic field effect transistor comprising a silicon dioxide insulation layer on the surface of a doped silicon wafer substrate, an octadecayl trichlorosilane modification layer, which is coated with silicon dioxide, an organic semiconductor layer on the octadecayl trichlorosilane modification layer, a source electrode and a drain electrode, which are arranged on the surface of the organic semiconductor layer, where the organic semiconductor layer is made of the copolymer material containing carbazolyl porphyrintriphenylamine.