NOVELTY - A composition comprises metallic compound (I), filler, fluid medium, and resin.    USE - Composition is used for passivation layer for forming semiconductor substrate for manufacturing solar cell element of solar cell (all claimed).    ADVANTAGE - The composition has excellent storage stability, and passivation layer having excellent passivation characteristics is formed by suppressing printing spread in desired shape by simple method.    DETAILED DESCRIPTION - A composition comprises metallic compound of formula: M(OR1)m (I), filler, fluid medium, and resin.    M=Nb, Ta, V, Y or Hf;    R1=1-8C alkyl or 6-14C aryl;and    m=1-5.    INDEPENDENT CLAIMS are included for the following:    (1) semiconductor substrate, which consists of passivation layer (107) obtained by heat-treating component containing composition provided in whole surface or portion on semiconductor substrate;    (2) manufacture of semiconductor substrate, which involves providing composition on whole surface or portion on semiconductor substrate, forming composition layer, heat-processing the composition layer and forming passivation layer;    (3) solar cell element, which consists of semiconductor substrate to which pn junction containing p-type layer and n-type layer is carried out, passivation layer, and electrode (105) provided on at least one of p-type layer and n-type layer;    (4) manufacture of solar cell element, which involves providing p-type layer and n-type layer on semiconductor substrate, forming composition layer, heat-processing composition layer, passivation layer, and forming electrode on at least one layer of p-type layer and the said n-type layer; and    (5) solar cell, which consists of solar cell element and wiring material arranged on electrode of solar cell element.    DESCRIPTION OF DRAWING(S) - The drawing shows sectional view of solar cell element.    Silicon substrate (101)    Diffused layer (102)    Light-receiving surface anti-reflective film (103)    Back surface field layer (104)    Electrode (105)    Passivation layer (107)