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Longi claims world record-breaking 34.6% efficiency for perovskite-silicon tandem solar cell
(www.pv-magazine.com)
This is a most excellent place for technology news and articles.
Thank you for this! Nothing wrong with "tech demo" type initiatives, but they need to be clearly labelled as such.
What caught my attention was that this was likely a "centimeters sized lab based sample" and "they degrade in air"). These two factors make it seem like, while this is interesting tech achievement, it's not really viable for mainstream use anytime soon.