NOVELTY - A solar cell manufacturing method involves sequentially preparing a substrate, anode, hole conveying layer, active layer and cathode, where the hole conveying layer is poly(3,4-ethylenedioxythiophene) poly(styrenesulfonate), electron transport layer is prepared between the active layer and the cathode, and the electron transport layer is polymer-containing compound (I).    USE - Method for manufacturing solar cell.    ADVANTAGE - The cell has high open-circuit voltage and better device performances.    DETAILED DESCRIPTION - A solar cell manufacturing method involves sequentially preparing a substrate, anode, hole conveying layer, active layer and cathode, where the hole conveying layer is poly(3,4-ethylenedioxythiophene) poly(styrenesulfonate), electron transport layer is prepared between the active layer and the cathode, the electron transport layer is polymer-containing compound of formula (I) having polymerization degree of n of 1-300, and the compound is prepared by reacting 3,4,5-trimethoxy-benzoic acid under the action of concentrated nitric acid and acetic acid to obtain 1,2,3-trimethoxy-5-nitro-benzene (A), performing carbon/hydrazine reduction on the compound (A) in the presence of zinc/acetic acid or palladium to obtain 3,4,5-trimethoxy-phenylamine (B), followed by reacting with sodium nitrite and hydrochloric acid to prepare diazonium salt solution and performing potassium ethyl xanthate reaction to obtain dithiocarbonic acid ethyl ester (3,4,5-trimethoxy-phenyl) ester (C), reacting aromatic amine compound of formula (D) with sodium nitrite and hydrochloric acid to prepare diazonium salt solution, and with sodium iodide to obtain aromatic iodide compound of formula (E), dissolving the compound (C) in tetrahydrofuran, and reduced with lithium aluminum and thiophenol to obtain 3,4,5-trimethoxy-benzenethiol (F).    A1=phenyl substituted moiety of formula (a)-(d);    R2-R18=H, halogen, hydroxyl, amino, substituted amino, cyano, alkoxy, nitro, acid radical, wake base, alkoxycarbonyl or acyloxy;    R9=1-3 alkyl (optionally substituted);and    X, Y1=1-6C alkyl, alkyloxy, 1-6C haloalkyl substituted F, Cl or Br-substituted alkyl, or 1-6C alkoxycarbonyl, where R5-R8 are not simultaneously H.