Collective dynamics of self-propelled nanomotors in chemically oscillating media Jiang-Xing Chen, Shun Zhan, Li-Yan Qiao, Hua-Ling Ding and Yu-Qiang Ma EPL, 125 2 (2019) 26002 Published online: 12 February 2019 DOI: 10.1209/0295-5075/125/26002