Journal
PARTICLE & PARTICLE SYSTEMS CHARACTERIZATION
Volume 30, Issue 4, Pages 311-315Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/ppsc.201200106
Keywords
up-conversion nanocrystals; NaYF4:Yb; NaYF4:Er; transition metals; dopants
Funding
- 973 Program of China [2012CB933802, 2009CB939701]
- NSFC [21174051, 91123031, 21221063]
- MOST of China