【Economist】Solar energy: Helios's crystal

中文导读2006年，日本学者宫坂力发现钙钛矿或可用于制备一种新的太阳能电池，自此，相关研究及实验不断推进。如今，多项数据表明钙钛矿太阳能电池极有可能代替硅太阳能电池，成为太阳能市场新的引领者。然而，钙钛矿电池若想取得真正的成功，还需克服诸多难题。Solar cells made from perovskites are coming to the market SOMETIMES it takes a while for the importance of a scientific discovery to become clear. When the first perovskite, a compound of calcium, titanium and oxygen, was discovered in the Ural mountains in 1839, and named after Count Lev Perovski, a Russian mineralogist, not much happened. The name, however, has come to be used as a plural to describe a range of other compounds that share the crystal structure of the original. In 2006 interest perked up when Tsutomu ………………………………