Nature CommunicationsCircularly polarized electroluminescence from topologically chiral [2]catenane-based neutral radicals with tunable deep-red emissionYu WangXiao-Qin XuZhiwen GaoXue LiYiming YangWen-Long ZhaoMeng LiWei WangChuan-Feng ChenHai-Bo Yang2026-07-30Full textDOI https://doi.org/10.1038/s41467-026-76074-6