SHAO, BO; YANG, ZHENGWEN; LI, JUN; LIAO, JIAYAN; LAI, … - In: Surface Review and Letters (SRL) 22 (2015) 01, pp. 1550010-1
The opal photonic crystals made of polystyrene microspheres with 155, 230, 270 or 410 nm in diameter were used to enhance upconversion (UC) emission of YF3:Yb3+, Er3+ nanoparticles, respectively. The red or green UC emission of YF3:Yb3+, Er3+ nanoparticles can be selectively enhanced when the...
