Table 8.

Structural and optical data of antimony halide perovskites and the obtained PCEs (if applied in photovoltaic devices)

Perovskite	Sim./exp.	Crystal system (space group)	Dimensionality	Band gap/eV	PCE/%	References
(NH4)3Sb2I9	Exp.	Monoclinic (P21/n)	2D	–	–	[157]
(CH3NH3)3Sb2Cl9	Exp.	Orthorhombic (Pmcn)	1D	–	–	[158, 166]
(CH3NH3)3Sb2Br9	Exp.	Trigonal (P $\overline{3}$ m1)	2D	–	–	[158]
(CH3NH3)3Sb2I9	Exp.	Hexagonal (P63/mmc)	0D	2.14	ca. 0.5	[55, 163]
[NH2(CH3)2]3Sb2Cl9	Exp.	Monoclinic (Pc) at 200 K	–	–	–	[159]
		Monoclinic (P21/c) at 298 K	2D	–	–	[159, 168]
[NH2(CH3)2]3Sb2Br9	Exp.	Monoclinic (P21/c)	–	–	–	[167]
[NH(CH3)3]3Sb2Cl9	Exp.	Monoclinic (Pc)	2D	–	–	[160]
[N(CH3)4]3Sb2Cl9	Exp.	Hexagonal (P63/mmc)	0D	–	–	[158]
[N(CH3)4]3Sb2Br9	Exp.	Hexagonal (P63/mmc)	0D	–	–	[170]
(C5H5NH)3Sb2Cl9	Exp.	Monoclinic (C2/c)	1D	–	–	[170]
Rb3Sb2Br9	Exp.	Trigonal (P $\overline{3}$ m1)	–	2.48	–	[162]
Rb3Sb2I9	Sim./exp.	Monoclinic (Pc)	2D	2.1	0.66	[35]
		Monoclinic (Pc)	–	1.94	–	[162]
α-Cs3Sb2Cl9	Exp.	Trigonal (P321)	2D	–	–	[171]
β-Cs3Sb2Cl9	Exp.	Orthorhombic (Pmcn)	1D	–	–	[172]
Cs3Sb2Br9	Exp.	Trigonal (P $\overline{3}$ m1)	–	2.30	–	[162]
Cs3Sb2I9	Sim./exp.	Hexagonal (P63/mmc)	0D	1.89–2.4	<1	[65, 162–164]
		Trigonal (P $\overline{3}$ m1)	2D	2.05		[65]
Cs2CuSbX6 (X = Cl, Br, I)	Sim.	Cubic (Fm $\overline{3}$ m)	3D	2.1 (X = Cl)	–	[63]
				1.6 (X = Br)
				0.9 (X = I)
Cs2AgSbX6 (X = Cl, Br, I)	Sim.	Cubic (Fm $\overline{3}$ m)	3D	2.6 (X = Cl)	–	[63]
				1.9 (X = Br)
				1.1 (X = I)
Cs2AuSbX6 (X = Cl, Br, I)	Sim.	Cubic (Fm $\overline{3}$ m)	3D	1.3 (X = Cl)	–	[63]
				0.7 (X = Br)
				0 (X = I)
(H2AEQT)Sb2/3I4	Exp.	Monoclinic (C2/m)	2 D	–	–	[173]
[C(NH2)3]3[Sb2I9]	Exp.	Orthorhombic (Cmcm) at 293 K	–	–	–	[161]
	Exp.	Orthorhombic (Cmcm) at 348 K				[161]
	Exp.	Hexagonal (P63/mmc) at 364 K				[161]