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Silicon nanocrystals (SiNPs) are an extensively studied light-emitting material due to their inherent biocompatibility and easy integration with silicon-based technology. Although low luminescence quantum yields of as-prepared SiNPs, the exploitation of the surface chemistry of SiNPs plays a key role in tuning their luminescence. In this work, the development of SiNPs as active materials for innovative LEDs was investigated. SiNPs were synthesized by using laser pyrolysis, a very flexible tool for lab-scale production in developmental quantities. The synthesized SiNPs have dimensions from 5 to 15 nm and high purity grade but show weak luminescence. For this reason, chemical treatments were performed on SiNPs: surface modifications lead to an improvement of their luminescence properties. Chemical and optical characterization were performed by conventional and advanced techniques, such as FTIR, BET, UV …
IOP Publishing
Publication date: 
1 Jul 2022

R D’Amato, S Dello Iacono, A Santoni, P Reale, F Limosani, G Terranova, S Botti, F Bonfigli, A Migliori, S Scalbi

Biblio References: 
Volume: 2315 Issue: 1 Pages: 012002
Journal of Physics: Conference Series