NOVELTY - Aniline compound-containing pure organic dye comprising different types of heterocycles and derivative conjugated units is new.    USE - New aniline compound-containing pure organic dye comprising different types of heterocycles and derivative conjugated units for dye sensitized solar battery (claimed).    ADVANTAGE - The pure organic dye has wide spectral response and high molar extinction coefficient, and obtains photoelectric transformation efficiency greater than 10%. Absorption spectrum of the pure organic dye exceeds 570 nm which is adjacent to that of ruthenium dye.    DETAILED DESCRIPTION - Aniline compound-containing pure organic dye of formula (I) and comprising different types of heterocycles and derivative conjugated units is new.    R1, R2 = H, hydrocarbyl or hydrocarbyl derivatives;    R3-R6 = H, hydrocarbyls, oxyls, thiols, or halogenated hydrocarbyls or their derivatives;    R7, R8 = aromatic heterocycles;    A = electron withdrawing group selected from CN, acyl, aldehyde, carboxyl, amide, halogenated hydrocarbon, NO2, sulfonic group, or aryl; and    B'= COOH, sulfonic acid, hypophosphorous acid, OH, overoxidated hydroxyl, amide, boric acid, or squaric acid.    An INDEPENDENT CLAIM is included for a dye sensitized solar battery comprising two transparent substrates (1) in middle connection with a conductive layer (2), a light absorption layer (3), an electrolytic layer (6) and an opposite electrode (7). The light absorption layer comprises a semiconductor nanoparticle layer and a dye layer. The semiconductor nanoparticle layer is connected with the conductive layer. The dye layer is connected with the reducing layer. The transparent substrates are glass substrates or plastics. The plastic is polybutylene terephthalate, polynaphthalene terephthalate, polycarbonate, polypropylene, polyimide, triacetyl cellulose, or polyether sulfone. The conductive layer comprises tin indium oxide, tin fluorine oxide, zinc oxide (ZnO)-gallium oxide, ZnO-aluminum oxide, tin oxide, tin antimony oxide, or ZnO. The semiconductor nanoparticle is tin oxide, ZnO, tungsten oxide, niobium pentoxide, or titanium strontium oxide. The average particle diameter of the semiconductor nanoparticle is greater than 0 but less than or equal to 50 nm. The dye layer comprises the pure organic dye containing different types of heterocycles and derivative conjugated units. The electrolytic layer comprises iodine/iodized salt electrolyte, ionic liquid and organic hole-transport material, or inorganic hole-transport material. The ionic liquid comprises anions and cations. The anions is iodide (I-); bromide (Br-); chloride (Cl-); dicyanamide ((N(CN)2)-); triflimide ((N(SO2CF3)2)-); fluorophosphate ((PF6)-); boron tetrafluoride ((BF4)-); nitrate ((NO3)-); tricyanomethanide ((C(CN)3)-); boron tetracyanide ((B(CN)4)-); trifluoroacetate ((CF3COO)-); chlorate ((ClO4)-); fluoroborate ((BF3CF3)-); trifluoromethanesulfonate ((CF3SO3)-); bis(trifluoromethanesulfonyl) imide (((CF3SO2)2N)-); tris(trifluoromethane sulfonate) carbide (((CF3SO2)3C)-); bis(perfluoroethylsulfonyl) carbide (((C2F5SO2)3C)-); ethyl sulfate ((CH3CH2OSO3)-); phosphorus-containing anion including (P(C2H5)3F3)-, (P(CF3)3F3)-, (P(C2H4H)(CF3)2F3)-, (P(C2F3H2)3F3)-, (P(C2F5)(CF3)2F)-, (P(CF3)3F3)-, (P(C6H5)3F3)-, (P(C3H7)3F3)-, (P(C4H9)3F3)-, (P(C2H5)2F4)-, ((C2H5)2P(O)O)-, ((C2H5)2P(O)O2)2-, (P(C6H5)2F4)-, ((CF3)2P(O)O)-, ((CH3)2P(O)O)-, ((C4H9)2P(O)O)-, (CF3P(O)O2)2-, (CH3P(O)O2)2-, or ((CH3O)2P(O)O)-; boron-containing anion including (BF2(C2F5)2)-, (BF3(C2F5))-, (BF2(CF3)2)-, (B(C2F5)4)-, (BF3(CN))-, (BF2(CN)2)-, (B(CF3)4)-,(B(OCH3)4)-, (B(OCH3)2(C2H5))-, (B(O2C2H2)2)-, or (B(O2CH4)2)-; trifluoromethyl nitride ((N(CF3)2)-); aluminum chloride ((AlCl4)-), or silicon hexafluoride ((SiF6)2-). The cation is e.g. group of formulae (5)-(7) (9 given in total). The opposite electrode comprises platinum, gold, nickel, copper, silver, indium, ruthenium, palladium, rhodium, iridium, osmium, or carbon and conductive polymers selected from polyaniline, polypyrrole, polythiophene, polyethylene, or polyether.    DESCRIPTION OF DRAWING(S) - The drawing shows a schematic view of the dye sensitized solar battery.    Substrates (1)    Conductive layer (2)    Light absorption layer (3)    Electrolytic layer (6)    Opposite electrode (7)