Parchur, A K Improvement of blue, white and NIR emissions in YPO4:Dy3+ nanoparticles on co-doping of Li+ ions. [electronic resource] - Dalton transactions (Cambridge, England : 2003) Dec 2012 - 13810-4 p. digital Publication Type: Journal Article ISSN: 1477-9234 Standard No.: 10.1039/c2dt32062b doi