Volume 91 Issue 28 | p. 25 | Concentrates
Issue Date: July 15, 2013

Mn-Doped Nanoparticles Shine In Multiple Colors

Single-particle photoluminescence dispels monochromatic myth
Department: Science & Technology
Keywords: nanoparticles, quantum dots, photoluminescence, manganese doped, cadmium selenide, cadmium sulfide

Colorful nanoparticles find their way into numerous applications, including solar cells, electronic displays, lighting, and cellular imaging. Cadmium-based particles, which rank among the ones most commonly studied and applied, could be used even more widely if they were tailored through doping to improve their emission characteristics and long-term stability and reduce their toxicity. For those reasons, researchers have turned to manganese. But they believed Mn-doped nanoparticles to be of limited use because the particles fluoresce . . .

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