Single-Luminophore Ratiometric Electrochemiluminescence Based on Afterglow Emission from Defect-Engineered Carbon Nitride - Zhuoxin Ye; Yongli Wu; Chen Zhao; Ruiyan Liu; Yan Zhang; Xing Yang; Dejiang Gao; Pinyi Ma; Daqian Song (Journal of the American Chemical Society, 2026)