Gd3+ and Sm3+ ions modulated visible-light-emitting ZnSe:Mn2+ nanocrystals for detection of Pb2+ and Hg2+ - Gul, Iram; Khan, Zahid Ullah; Galani, Sammra; Huda, Subul; Khan, Latif Ullah; Juwhari, Hassan K; Hyder, Ali; Brito, Hermi Felinto de; Zaheer, Muhammad; Khan, Muhammad Abdullah (ACS Applied Optical Materials, 2025)