Sensing Heavy Metals Using Mesoporous-Based Optical Chemical Sensors

Table 2

List of some typical mesoporous silica materials and their mesophase structures.

Mesophase structure	Space group	Material or researcher	Ref.
2D-hexagonal	p6mm	MCM-41	[32, 33, 36, 39, 42, 58–63]
		SBA-15	[22–28, 35, 45, 48, 58, 60]
		HOM-2	[43]
3D-biscontinuous cubic	Ia3d	MCM-48	[63]
		KIT-6	[91]
		FDU-5	[92]
		HOM-5	[93–95]
	Pn3m	HOM-7	[96]
		AMS-10	[97]
	Im3m	SBA-16	[98]
3D-cage-type cubic	Pm3n	SBA-1	[99–101]
		SBA-6	[100, 101]
		HOM-9	[20, 46]
	Fm3m	SBA-2	[99]
		SBA-12	[98]
		HOM-10	[46]
		FDU-12	[102]
		KIT-5	[103]
		FDU-1	[104]
	Im3m	SBA-16	[98]
	Fd3m	FDU-2	[105]
		AMS-8	[106]
		HOM-11	[36, 44]
3D-cage-type hexagonal	P63/mmc	SBA-2	[99]
		SBA-12	[98]
		SBA-7	[98]
		HOM-3	[93, 94]
Lamellar		MCM-50	[107, 108]