Why Do Simple Molecules with "isolated" Phenyl Rings Emit Visible Light?

Haoke Zhang, Xiaoyan Zheng, Ni Xie, Zikai He, Junkai Liu, Nelson L.C. Leung, Yingli Niu, Xuhui Huang, Kam Sing Wong, Ryan T.K. Kwok, Herman H.Y. Sung, Ian D. Williams, Anjun Qin, Jacky W.Y. Lam, Ben Zhong Tang^*

^*此作品的通讯作者