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| Relatively easy and inexpensive to produce, solar cells using perovskite as a semiconductor hold promise for moving photovoltaics toward grid parity. Photo by Dennis Schroeder / NREL. Source: http://reneweconomy.com.au/2014/solars-time-rise-shine-81126 |
It's a matter of efficiency and materials, and the former is improving by leaps and bounds while the latter is dropping as newer cheaper materials are found to work as well as the traditional more expensive ones.
We’re in a Renaissance period of photovoltaic research, in which constant innovation is driving up efficiencies across all types of solar cells — from the most conventional crystalline silicon, to thin-film cadmium telluride, to much-buzzed-about new discoveries such as perovskite cells. World records are being broken at a breakneck rate, and the researchers behind this latest record-setter know better than to celebrate for too long.
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