Shunjie Liu; Yanhua Cheng; Haoke Zhang; Zijie Qiu; Ryan T. K. Kwok; Jacky W. Y. Lam; Benzhong Tang; In Situ Monitoring of RAFT Polymerization by Tetraphenylethylene-Containing Agents with Aggregation-Induced Emission Characteristics, Angewandte Chemi