Abstract
Bright white light emission (CIE values 0.32 and 0.33) has been achieved by a single excitation source (254 nm) from a monodispersed nanocomposite composed of Ce3+, Tb3+ and Sm3+ doped LaF3 nanocrystals (NCs) and N-doped C-dots where Ce3+ acts as an excellent sensitizer. Controlled deposition of the C-dots onto the surface of the LaF3 NCs impedes conventional aggregation induced quenching (AIQ) of the C-dots in solid state. The transparent colloidal ink was coated onto an UV chip to fabricate a white light emitting diode (WLED) with a luminous efficacy of 8.72 lm W-1.
Original language | English |
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Pages (from-to) | 14124-14127 |
Number of pages | 4 |
Journal | Chemical Communications |
Volume | 54 |
Issue number | 100 |
DOIs | |
State | Published - 1 Jan 2018 |
Externally published | Yes |
ASJC Scopus subject areas
- Catalysis
- Electronic, Optical and Magnetic Materials
- Ceramics and Composites
- General Chemistry
- Surfaces, Coatings and Films
- Metals and Alloys
- Materials Chemistry