Optical Characterization and Growth Mechanism of Combination of Zinc Oxide Nanowires and Nanorods at Various Substrate Temperatures

Table 2

PL peaks obtained after Gaussian fit of the data at various substrate temperatures.

Substrate temperature (°C)	Location of PL peaks (nm)
RT (23)	392, 419,^a 434, 458
150	397, 426,^b 444, 467,^d 484
300	389, 419,^a 435, 467,^d 489
450	395, 421,^a 435, 456,^c 602^c
600	377, 402, 467^d

aDue to interstitial oxygen [32], ^bdue to the interstitial Zn [32], ^cdue to oxygen vacancies [28], ^dblue-green emission [27].