Comparative Study on Electronic, Emission, Spontaneous Property of Porous Silicon in Different Solvents

Table 1

List of physical properties of organic solvents with PL.

Solvents	BP°C	Dipole moment	Dielectric constant	Polarity	Porous silicon (Psi)	PL	Stability	Solvent category
Ethanol	78	1.69	24.5	5.2	Psi	No	Aggregate	Polar protic
Methanol	65	1.70	32.7	5.1	Psi	No	Aggregate	Polar protic
THF	66	1.75	7.58	4	Psi	Yes	Stable	Polar aprotic
CCl4	77	0.00	2.24	1.6	Psi	Yes	Unstable	Nonpolar
Water	100		78.54	10.2	Psi	No	Aggregate	Polar protic
DMSO	189	3.96	47.2	7.2	Psi	Yes	Stable	Polar aprotic
Chloroform	61	1.15	4.8	4.1	Psi	Yes	Unstable	Nonpolar
Ethyl acetate	78	1.78	6.02	4.4	Psi	No	Dispersed	Nonpolar
1,4-Dioxane	101	0.45	2.3	4.8	Psi	Yes	Stable	Polar aprotic
Acetone	56	2.88	20.7	5.1	Psi	No	Precipitate	Polar aprotic
Cyclohexane	80	0	2.28	0.2	Psi	Yes	Unstable	Nonpolar