289616.fig.006
Figure 6: XRD patterns of the aging products formed from ZnO ((a)–(c)) and -Zn(OH)2 ((d)–(e)). Aging temperature (°C): (a), (d): 40; (b), (e): 60; (c), (f): 80; ★: ZnO, ●: -Zn(OH)2.