Patent ID: 8648252

Claim:
A solar cell comprising: a glass substrate; first and second conductive layers with at least a photoelectric film provided therebetween; wherein the glass substrate is of a composition comprising: Ingredient wt. % SiO 2 67-75% Na 2 O 10-20% CaO 5-15% total iron (expressed as Fe 2 O 3 ) 0.001 to 0.05% % FeO <=0.0038 glass redox <=0.12 antimony oxide 0 to less than 0.01% cerium oxide 0 to 0.1% wherein the glass substrate has visible transmission of at least 91%, a transmissive a* color value of −1.0 to +1.0, a transmissive b* color value of from 0 to +1.5, % TS of at least 90%, and a UV transmission of at least 80%.