Selective aerobic coupling of amines to imines using solar spectrum-responsive flower-like Nen-graphene quantum dots (GQDs) decorated with 2, 4-dinitrophenylhydrazine (PH) as a photocatalyst - Neetesh Kumar; Rajesh K. Yadav; Ahmad Umar; Ahmed A. Ibrahim; Satyam Singh; Rehana Shahin; Atul P. Singh; Abhishek K. Gupta; Navneet K. Gupta; Jin Ook Baeg; Dilip K. Dwivedi; Sotirios Baskoutas (Chemosphere, 2023)