Cong-Qiao Xu3 articles listing Cong-Qiao Xu in PNAS, Science Advances, indexed by Paperzzz from Crossref and OSF.Structural evolution beyond carbon fullerenes: A family of metal–oxo clusters PNASInverse design of guanine-defects in carbon nanotubes for high-resolution emission tuning Science AdvancesSynthetic models of the nitrogenase FeMo cofactor PNAS