Photoluminescence properties of M3+ (M3+ = Bi3+, Sm3+) activated Na5Eu(WO4)4 red-emitting phosphors for white LEDs
JOURNAL OF ALLOYS AND COMPOUNDS [2013]
Decai Huang, Youfu Zhou, Wentao Xu, Zhangfu Yang, Zhuguang Liu, Maochun Hong, Yuanhua Lin, Jianchang Yu