Spectrometry – the measurement of the relative contributions of different wavelengths in a light source – is an invaluable analytical technique used by science and technology professionals in a broad range of disciplines. Now a spectrometer has been developed using quantum-dot materials, which allows the devices to be made as small and cheap as smart phone cameras, opening up a whole new range of potential applications…….
http://nanotechweb.org/cws/article/tech/61686
