Ag nanowires enhanced upconversion emission of NaYF4:Yb,Er nanocrystals via a direct assembly method

被引:190
作者
Feng, Wei [1 ]
Sun, Ling-Dong [1 ]
Yan, Chun-Hua [1 ]
机构
[1] Peking Univ, PKU HKU Joint Lab Rare Earth Mat & Bioinorgan Che, State Key Lab Rare Earth Mat Chem & Applicat, Beijing Natl Lab Mol Sci, Beijing 100871, Peoples R China
关键词
HEXAGONAL-PHASE; FLUORESCENCE; NANOPARTICLES; LUMINESCENCE; NAYF4-YB; ER; SILVER;
D O I
10.1039/b909164e
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Enhanced upconversion emission of NaYF4:Yb,Er nanocrystals with Ag nanowires was observed; the enhancement factor of red emission is larger than that of green emission, and it can be further increased with Ag islands composed of larger Ag particles.
引用
收藏
页码:4393 / 4395
页数:3
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