ZnO/NiO Nanocomposite with Enhanced Photocatalytic H₂ Production

Table 2

Lattice parameters.

S. no.	Peak positions 2θ (degree)	Crystallite size (nm)	-spacing (Å)	Microstrain (×10^-3)
ZnO
1	31.93609	23.33	2.8001	5.4
2	34.60013	25.61	2.5903	4.55
3	36.42891	23.74	2.4644	4.67
4	47.731	25.05	1.9039	3.42
5	56.78595	23.45	1.6199	3.11
6	63.05414	23.07	1.4731	2.87
7	66.54924	23.71	1.3254	2.85
8	68.14391	22.7	1.3755	2.73
9	69.27856	22.72	1.3552	2.68
	Average crystallite  nm
NiO
1	37.39984	22.12	2.4026	4.89
2	43.43758	21.42	2.0816	4.37
3	63.0341	19.79	1.4735	3.35
4	75.57161	19.59	1.2572	2.89
5	79.56295	19.31	1.2039	2.81
	Average crystallite  nm
ZN-30
1	32.12396	17.61	2.7841	7.11
2	34.76413	18.44	2.5785	6.29
3	36.58046	16.9	2.4545	6.54
4	43.57221	12.77	2.0755	7.32
5	47.84529	18.88	1.8996	4.53
6	56.89828	18.47	1.617	3.94
7	63.16263	16.76	1.4709	3.95
8	68.24632	17.51	1.3731	3.53
9	69.38185	14.54	1.3534	4.19
	Average crystallite  nm