Highly thermal-stable R6G@UIO-67 for the selective detection of ornidazole and white light emitting diode

R6G@UIO-67 consisted of the rhodamine 6G (R6G) in the nanocages or nano-pores of UIO-67 , which was successfully constructed by the one-pot method under hydrothermal conditions. Whose structure, stability and morphology were characterized by the XRD, TGA and SEM. R6G@UIO-67 exhibited the highly thermal stability up to 550 °C, and emitted the bright yellow light at 580 nm with the quantum yield of 44.66%, which could selectively detect the ornidazole (ODZ) among eight antibiotics. Furthermore, R6G@UIO-67 was associated with commercial green phosphor powder and red phosphor powder, which were encapsulated on the 455 nm blue LED chip, to obtain an exceptional warm white light emitting diode (WLED) device with the CIE coordinates of (0.385, 0.385), correlated color temperature (CCT) of 3951 K, luminous efficiency (LE) of 122.45 lm/w and color render index (CRI) of 93.8.