COMPOSITION FOR P-TYPE SOLAR CELL ELECTRODE, ELECTRODE PREPARED THEREFROM AND P-TYPE SOLAR CELL PREPARED USING THE SAME

1 . A composition for p-type solar cell electrodes, the composition comprising:

a silver powder;

a glass frit, the glass frit including about 50 ppm to about 10,000 ppm of aluminum (Al); and

an organic vehicle.

2 . The composition according to claim 1 , wherein the glass frit includes tellurium (Te).

3 . The composition according to claim 2 , wherein the glass frit includes at least one of lead (Pb) and bismuth (Bi).

4 . The composition according to claim 1 , wherein the glass frit includes tellurium and lead, and a molar ratio of tellurium to lead in the glass frit ranges from about 1:10 to about 30:1.

5 . The composition according to claim 1 , wherein the glass frit includes tellurium and bismuth, and a molar ratio of tellurium to bismuth in the glass frit ranges from about 1:10 to about 40:1.

6 . The composition according to claim 1 , comprising:

about 60 wt % to about 95 wt % of the silver powder; about 0.5 wt % to about 20 wt % of the glass fit; and about 1 wt % to about 30 wt % of the organic vehicle.

7 . The composition according to claim 1 , further comprising: tungsten oxide particles.

8 . The composition according to claim 1 , further comprising one or more of a dispersant, a thixotropic agent, a plasticizer, a viscosity stabilizer, an anti-foaming agents, a pigment, a UV stabilizer, an antioxidant, or a coupling agent.

9 . A p-type solar cell electrode fabricated using the composition according to claim 1 .

10 . A p-type solar cell, comprising:

a wafer including a p-type substrate and an n-type emitter on one surface of the p-type substrate;

a front electrode on the n-type emitter, the front electrode being formed of the composition according to claim 1 ; and

a rear electrode on an opposite other surface of the p-type substrate.