Amphiphilic self-assembly of semiconductor nanocrystals with heterogeneous compositions Yuki Taniguchi, Takao Takishita, Yusei Kobayashi, Noriyoshi Arai, Tsuyoshi Kawai and Takuya Nakashima EPL, 118 6 (2017) 68001 Published online: 11 August 2017 DOI: 10.1209/0295-5075/118/68001