He, Gang; Zhang, Shu-Yu; Nack, William A.; Li, Qiong; Chen, Gong Angewandte Chemie - International Edition, 2013 , vol. 52, # 42 p. 11124 - 11128 Angew. Chem., 2013 , vol. 125, # 42 p. 11330 - 11334,5