A composition for solar cell electrodes including a conductive powder, a glass frit, and an organic vehicle. The glass frit contains tellurium (Te), sodium (Na), zinc (Zn), and at least one of lead (Pb) and bismuth (Bi). A molar ratio of the sum of lead and bismuth to zinc ranges from about 1 to about 20. A molar ratio of tellurium to sodium ranges from about 1 to about 15.

A composition for solar cell electrodes including a conductive powder, a glass frit, and an organic vehicle. The glass frit contains tellurium (Te), sodium (Na), zinc (Zn), and at least one of lead (Pb) and bismuth (Bi). A molar ratio of the sum of lead and bismuth to zinc ranges from about 1 to about 20. A molar ratio of tellurium to sodium ranges from about 1 to about 15.

A conductive paste for forming external electrodes for a multilayer ceramic electronic component. The paste contains a glass composition containing (a) BaO, (b) at least one of SrO and CaO, (c) ZnO, (d) B.sub.2O.sub.3, and (e) at least one selected from the group consisting of SiO.sub.2, Al.sub.2O.sub.3, and TiO.sub.2, in which the total content percentage of BaO, SrO, and CaO is 30 mol % or more, the molar ratio represented by B.sub.2O.sub.3/(SiO.sub.2+Al.sub.2O.sub.3+TiO.sub.2) is 0.7 to 1.5, and the content percentage of ZnO is 0 to 5 mol %.

A conductive paste for forming external electrodes for a multilayer ceramic electronic component. The paste contains a glass composition containing (a) BaO, (b) at least one of SrO and CaO, (c) ZnO, (d) B.sub.2O.sub.3, and (e) at least one selected from the group consisting of SiO.sub.2, Al.sub.2O.sub.3, and TiO.sub.2, in which the total content percentage of BaO, SrO, and CaO is 30 mol % or more, the molar ratio represented by B.sub.2O.sub.3/(SiO.sub.2+Al.sub.2O.sub.3+TiO.sub.2) is 0.7 to 1.5, and the content percentage of ZnO is 0 to 5 mol %.

A conductive paste for forming a solar cell electrode, including: a conductive powder containing silver as a main component; glass frit; and an organic vehicle, wherein the glass frit contains tellurium glass frit having tellurium oxide as a network-forming component. The conductive paste of the present invention makes it possible to form a solar cell electrode having a low dependence on firing temperature without causing problems due to fire-through into the substrate, and to thereby obtain a solar cell having good solar cell characteristics.

A conductive paste for forming a solar cell electrode, including: a conductive powder containing silver as a main component; glass frit; and an organic vehicle, wherein the glass frit contains tellurium glass frit having tellurium oxide as a network-forming component. The conductive paste of the present invention makes it possible to form a solar cell electrode having a low dependence on firing temperature without causing problems due to fire-through into the substrate, and to thereby obtain a solar cell having good solar cell characteristics.

A high-tension busbar silver paste applied to the N-type solar cell is prepared by mixing a silver powder (a mixture of a spherical silver powder A having a median particle size of 700-900 nm and a tapped density of 5-6 g/mL and a spherical silver powder B having a medium particle size of 280-450 nm and a tapped density of 4-5 g/mL), an organic vehicle (a mixture of 3-5 wt % of polyvinyl butyral resin and 5-10 wt % of acrylic resin as a main resin) and a glass powder (copper-bismuth-manganese-tellurium series glass powder having a medium particle size of 0.7-1 μm and a softening temperature of 600-800° C.); the silver paste has large welding tension, in which the welding tension of the front busbar line is 4 N or more.

A high-tension busbar silver paste applied to the N-type solar cell is prepared by mixing a silver powder (a mixture of a spherical silver powder A having a median particle size of 700-900 nm and a tapped density of 5-6 g/mL and a spherical silver powder B having a medium particle size of 280-450 nm and a tapped density of 4-5 g/mL), an organic vehicle (a mixture of 3-5 wt % of polyvinyl butyral resin and 5-10 wt % of acrylic resin as a main resin) and a glass powder (copper-bismuth-manganese-tellurium series glass powder having a medium particle size of 0.7-1 μm and a softening temperature of 600-800° C.); the silver paste has large welding tension, in which the welding tension of the front busbar line is 4 N or more.

Frontside metallization pastes for solar cell electrodes prepared from glass frit containing rare earth metals such as lanthanum and yttrium are disclosed. Electrodes prepared from the metallization pastes exhibit improved adhesion, reliability, and excellent electrical properties.

The present invention provides a red paint for ceramic decoration, including a glass matrix, and a red colorant and a protective material that are intermingled in the glass matrix. The red colorant contains gold nanoparticles and silver nanoparticles. The protective material contains silica nanoparticles.