The challenges of working with scientists in the world’s most secretive state
Aron Walsh has never met his new collaborators; so far, their only contact has been via email. He’s never even spoken to them on the phone. A picture he tracked down on the internet is the only reason he has a rough idea of what they look like. That’s because his co-authors live in North Korea.
Walsh leads the materials design group at Imperial College London, UK. ‘I work on perovskite solar cells, a topic that has attracted global interest,’ he explains. ‘But I noticed that some of my papers had been cited by a group with an affiliation in North Korea, which made me curious because I wasn’t aware that mainstream research in the physical sciences was activethere.’
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Influence of water intercalation and hydration on chemical decomposition and ion transport in methylammonium lead halide perovskites
Un-Gi Jong, Chol-Jun Yu, Gum-Chol Ri, Andrew P. McMahon, Nicholas M. Harrison, Piers R. F. Barnes and Aron Walsh
J. Mater. Chem. A, 2018,6, 1067-1074