NOVELTY - A dye sensitized photoelectric transducer has semiconductor electrode (3) comprising nitrogen-containing dye (4) and counter electrode (6) arranged opposingly through charge transferring layer, on electroconductive support. The dye is chosen from two types of dyes (i, iv), (ii, v) and (iii, vi). The difference of absolute value of molecular length of the two types of dyes is 0.1-2.2 nm.    USE - Dye sensitized photoelectric transducer used in solar cell (claimed).    ADVANTAGE - The dye sensitized photoelectric transducer with high conversion efficiency is provided using an inexpensive sensitizing dye.    DETAILED DESCRIPTION - A dye sensitized photoelectric transducer has semiconductor electrode comprising nitrogen-containing dye and counter electrode arranged opposingly through charge transferring layer, on electroconductive support. The dye is chosen from two types of dyes of formula: N(-R1)(-R2)-Ar1-R3-X1 (i) and N(-R1)(-R2)-Ar1-R10-X7 (iv), N(-R4)(-Ar3-R6-X3)-Ar2-R5-X2 (ii) and N(-R4)(-Ar3-R12-X9)-Ar2-R11-X8 (v), and N(-Ar6-R9-X6)(-Ar5-R8-X5)-Ar4-R7-X4 (iii) and N(-Ar6-R15-X12)(-Ar5-R14-X11)-Ar4-R13-X10 (vi). The difference of absolute value of molecular length of the two types of dyes is calculated using the formula: modulus of L1-L2=0.1-2.2 nm, where L1 is molecule length of the pigment of formula (i-iii) and L2 is the molecule length of the pigment of formula (iv-vi). The molecule lengths L1 and L2 are obtained from the geometrically optimized structure drawn such that most of the molecule lengths are long, when drawn in Chem Draw Ultra Ver.9.0.1 by Combridge Soft. The molecule length is the inter atomic distance from the center nitrogen to the atom bonded with acidic group.    Ar1-Ar6=optionally substituted aryl;    R1,R2,R4=alkyl, amino, aryl or heterocyclic group (all optionally substituted), H or halo;    R3,R5,R6,R10-R12=alkylene, arylene or bivalent heterocyclic group (all optionally substituted) or their bonding groups, or single bond;and    X1-X11=acidic group.    R1, R2 and Ar1, or R4, Ar2 and Ar3, or Ar4, Ar5 and Ar6 may combine to form a ring.    DESCRIPTION OF DRAWING(S) - The drawing shows the sectional view of dye sensitized photoelectric transducer. (Drawing includes non-English language text)    Substrates (1,1')    Transparent conductive films (2,7)    Semiconductor electrode (3)    Dye (4)    Counter electrode (6)