US perovskite startup Tandem PV recently brought in a new CEO Scott Wharton, who we spoke to recently, for the purpose of bringing an almost-technically-ready product to market. “I feel we can create a viable product now, from an efficiency and a durability point of view. Tandem PV has gone from a company saying it would reach certain technical targets to hitting them with prototypes, now we’re ready to scale up from a business point of view. If we had to stop working on all new R&D right now and go to market, we could.” Naturally, there’s much more that Tandem PV can still do in R&D – it’s worth working a little longer on the R&D before progressing to…