Yan, Pu-Cha; Xie, Jian-Hua; Zhang, Xiang-Dong; Chen, Kang; Li, Yuan-Qiang; Zhou, Qi-Lin; Che, Da-Qing Chemical Communications, 2014, vol. 50, # 100 p. 15987 - 15990 doi: 10.1039/c4cc07643e