Previous Article Next Article Table of Contents Science, Vol.334, No.6060, 1203-1203, 2011 DOI10.1126/science.334.6060.1203-b Export Citation Porphyrin-sensitized solar cells with cobalt (II/III)-based redox electrolyte exceed 12 percent efficiency (vol 334, pg 629, 2011) Yella A, Lee HW, Tsao HN, Yi CY, Chandiran AK Please enable JavaScript to view the comments powered by Disqus.