Synthesis of ZnO quantum dots and their agglomeration mechanisms along with emission spectra based on ageing time and temperature
Qiao Bo1, 2, †, , Zhao Suling1, 2, Xu Zheng1, 2, Xu Xurong1, 2
       

TEM images of (a) freshly prepared, (b) ageing for 30 days at 0 °C and (c) ageing for 30 days at 25 °C.