The Role of Solvent Environment on the Optical Behavior of Chemically Synthesized Silicon Nanoparticles

Table 3

List of absorption coefficient, values, and reflectance of Si-NPs in different solvents.

Solvents	Absorption coefficient α (cm^−1)	Peak maxima (λ) (nm)	hν (eV)	xEg (eV)	Minimum reflectance narrow window (nm)
DMSO	2.17	272	4.56	2.72	272–280
DMF	1.85	276	4.50	2.25	272–292
Acetonitrile	2.076	228	5.44	3.37	224–228; 248–264
Ethanol	1.968	220	5.64	3.52	276–288
Dioxane	1.804	284	4.37	3.26	216–224; 256–264
Ethyl acetate	0.668	256	4.85	2.52	252–256
Chloroform	1.821	248	5	2.95	244–252; 336–360
THF	1.892	280	4.43	3.93	272–288
1,2-Dichloroethane	1.491	288	4.31	3.29	284–292; 332–368
Benzene	1.247	284	4.37	3.78	280–292
Toluene	1.21	288	4.31	3.61	284–292
Carbon tetrachloride	2.396	272	4.56	3.52	264–272
Trichloroethylene	0.898	280	4.43	3.49	276–288; 356–386
Hexane	2.056	244	5.1	3.56	228–244