Femtosecond-pulse laser-ablation-induced synthesis and improved emission properties of ultrafine Y2O3:Er3+, Yb3+ nanoparticles with reduced nonradiative relaxation
作者： Changbin Zheng , Guilong Yang , Kuo Zhang , Chunrui Wang , Hualong Wang
DOI: 10.1016/J.JALLCOM.2015.06.258
关键词:
摘要: Abstract Nanomaterials with effective visible upconversion emission have received special attention due to the potential application in fields including biological labeling, imaging, and photodynamic therapy. The main focus of this work is improvement properties, which enhanced intensity prolonged decay time, by reducing nonradiative relaxation assisted high energy phonon. Y 2 O 3 :Er 3+ , Yb nanoparticles (considerably
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