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(a) Photographs of the monochromic (i–iv) and white (v) LEDs fabricated by encapsulation of b-CDs@ polyvinylpyrrolidone (PVP) (i), g-CDs@PVP (ii), y-CDs@PVP (iii), r-CDs@PVP (iv), and b-, g- and r-CDs@PVP mixtures (v) on UV LED chips (365 nm). (b) Commission Internationale de L’Eclairage (CIE) color coordinates of monochromic red, green, blue, and white LEDs. (c) Emission spectra and lighting performance of the white LED.
