Fig. 2From: Eu2+-Activated Green-Emitting Phosphor Obtained from Eu3+ Ions doping Zeolite-3A in Air Surroundings and Its Efficient Green Light-Emitting DiodesSEM images of zeolite-3A: 1.3 wt% Eu phosphors sintered at 600 °C (a), 800 °C (b), 1000 °C (c), and 1200 °C (d), respectively. e XRD patterns of zeolite-3A: 1.3 wt% Eu phosphors sintered at different temperatures, respectivelyBack to article page