| 摘要 |
PROBLEM TO BE SOLVED: To provide an IRS which optimizes contact between an electroconductive paste and an underlying substrate so as to achieve improved solar cell efficiency, without being so aggressive that it damages an antireflection layer and a p-n junction.SOLUTION: An inorganic reaction system comprises a lead-tellurium-zinc composition of formula (I): Pb-Te-Zn-M-O, where 0<a, b, d, or f≤1; a+b+d+f=1; 0≤d≤0.5, 0<f≤0.2, a:b is between about 10:90 and about 90:10, (a+f+d):b is between about 10:90 and about 90:10, M is one or more elements, and e is a number sufficient to balance the Pb, Te, Zn, and M components. |
