Sequential Cation Exchange Generated Superlattice Nanowires Forming Multiple p–n Heterojunctions

Chih-Shan Tan, Ching-Hung Hsiao, Shau-Chieh Wang, Pei-Hsuan Liu, Ming-Yen Lu, Michael H. Huang*, Hao Ouyang, and Lih-Juann Chen*

ACS Nano 2014, 8, 9422-9426