Facile and Clean Solution Synthesis of Large-Scale ZnO Nanorods Assisted with Aliquat 336

Table 1

The wave numbers (in cm⁻¹) of the first- and second-order Raman spectra observed in ZnO nanorods.

Wave number (cm^−1)	333	383	438	582	661	982	1109	1140
Process	𝐸2H−𝐸2L	𝐴1(TO)	𝐸2H	𝐸1(LO)	TA + LO	2TO	2LO	2𝐴1(LO), 2𝐸1(LO); 2LO