Silicon nanoparticle 2.85 nm in diameter.
Hydrogen termination
Solvent: isopropyl, THF
Concentration: 10 micromolar 
Red luminescent
Photoluminescence band: 550-700nm under 350 nm excitation

Silicon nanoparticle 1 nm in diameter.
Hydrogen termination
Solvent: isopropyl
Concentration of 10 micromolar 
Blue luminescent
Photoluminescence band: 390-450nm under 350 nm excitation