Optical Characterization of Chemically Etched Nanoporous Silicon Embedded in Sol-Gel Matrix

Table 1

Absorption, emission, and excitation of NPs Si in THF, sol and sol-gel solid.

Measurement	THF	Sol	Sol-gel matrix (solid)
Absorption peaks	250 nm	260 nm	260 nm
	320 nm	320 nm	325 nm
	633 nm	642 nm	605 nm
Emission peaks	628 nm	642 nm	605 nm
	628 nm	642 nm	605 nm
Excitation peaks	258 nm	250 nm	252 nm
	303 nm	333 nm	346 nm