(a) Schematic of double-bar nano-antenna coated with AIEE1000 molecules (black double ended arrows) in PMMA (light blue) on glass substrate (light grey). Inset shows the chemical structure of AIEE1000. (b-g) SEM images of fabricated nano-antennas with different bar-lengths. Credit: Wenqi Zhao, Xiaochaoran Tian, Zhening Fang, Shiyi Xiao, Meng Qiu, Qiong He, Wei Feng, Fuyou Li, Yuanbo Zhang, Lei Zhou, and Yan-Wen Tan