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Colourful particles for spectrometry

A smartphone camera, patterned with arrays of filters made from colloidal suspensions of coloured particles, has been transformed into a powerful tool for spectral analysis. See Letter p.67

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Figure 1: Colloidal quantum dots.



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Correspondence to Norm C. Anheier.

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Anheier, N. Colourful particles for spectrometry. Nature 523, 39–40 (2015).

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