Room-temperature synthesis of zinc oxide nanoparticles in different media and their application in cyanide photodegradation

Table 3 The inter planar spacing and diffraction planes of un- and calcined ZnO _E and ZnO _W

Samples	d-spacing calculated from HRTEM (nm)	d-spacing in bulk ZnO (nm)	Miller indices (*hkl*) assignment
ZnO_E (uncalcined)^a	0.263	0.260	002
ZnO_W (uncalcined)^b	0.262	0.260	002
ZnO_E (calcined)^c	0.281	0.281	100
ZnO_W (calcined)^d	0.263	0.260	002