Partial-coverage assembly of graphdiyne-derived fragment-protected Cu(I) clusters generates an ordered single-metal site catalyst. - Chen, Shuai; Fan, Xi; Yan, Shuai; McKee, Morgan; Terry, Alexandre; Gao, Chen; Abdolmaleki, Mahsa; Heise, Jost; Chen, Minmin; Kayser, Yves (National Science Review, 2026)