Synthesis and surface plasmon resonance of Au–ZnO Janus nanostructures
Zhou Jun1, 2, Zhang Jian-Shuo2, Xian Guo-Yu2, Qi Qi2, Gu Shang-Zhi2, Shen Cheng-Min2, Cheng Zhao-Hua2, He Sheng-Tai1, †, Yang Hai-Tao2, ‡
       

TEM images of Au–ZnO Janus nanostructures prepared at 180 °C for different durations: (a) 15 min, (b) 20 min, and (c) 40 min.