生物荧光标记、光学数据存储、上转换激光器、光动力医疗等技术的发展对新型的发光材料,尤其是可见光波段的发光材料提出了需求。
With the development of biomolecules , optical data storage , upconversion lasers , photo-dynamic therapy , etc. much more new luminescence materials are required , especially in the visible spectrum .