Study of efficient sustainable phosphor in glass (P – i – G) material for white LED applications fabricated by tape casting and screen-printing techniques

• Published in: Materials science & engineering. B, Solid-state materials for advanced technology Vol. 298; p. 116811
• Main Authors: Behera, Mitrabhanu, Panda, Rajashree, Dhivya, P., Joshi, Dhananjay, Arun Kumar, R
• Format: Journal Article
• Language: English
• Published: Elsevier B.V 01.12.2023
• Subjects: Eco-friendly; Energy saving; Phosphor-in-glass; Screen printing; Tape casting; Screen printing; Phosphor-in-glass; Energy saving; Tape casting; Eco-friendly
• ISSN: 0921-5107; 1873-4944
• DOI: 10.1016/j.mseb.2023.116811

In the recent years, phosphor coverted (pc) white light emitting diode (w-LED) has become a crucial and reliable lighting source. The most extensively used phosphor material employed in pc-wLED is the versatile yellow light emitting cerium-doped yttrium aluminium garnet, Ce3+:Y3Al5O12 (Ce:YAG) material. Here, the combination of blue light emitted by InGaN-GaN-based LED chip along with the down-converted yellow light (540 nm) emitted by Ce:YAG phosphor gives rise to the generation of efficient white light. Phosphor-in-glass (P-i-G) composites which are found to be efficient alternatives to phosphor-in-silicones structures are presented in this manuscript. The fabrication of P-i-G material through tape-casting and screen-printing methods are discussed and are critically reviewed. The mechanical and optical properties of the P-i-G samples prepared using the two methods (tape – casting and screen printing) are discussed.