33. Low-temperature solution-processed wavelength-tunable perovskites for lasing, Xing, Guichuan; Mathews, Nripan;* Lim, Swee Sien; Yantara, Natalia; Liu, Xinfeng; Sabba, Dharani; Gratzel, Michael; Mhaisalkar, Subodh; Sum, Tze Chien*, Nature Materials, 13, 476 (2014) 

32. Synthesis of Organic/Inorganic Lead Halide Perovskite Nanoplatelets: Towards High Performance Perovskite Solar Cells and Optoelectronic Devices, Son Tung Ha, Xinfeng Liu, Qing Zhang, David Giovanni, Tze Chien Sum, Qihua Xiong,* Advanced Optical Materials, 2, 838 (2014) 

31. Elucidating the Localized Plasmonic Enhancement Effects from a Single Ag Nanowire in Organic Solar Cells,Xinfeng Liu, Bo Wu, Qing Zhang, Jing Ngei Yip, Guannan Yu, Qihua Xiong, Nripan Mathews,* and Tze Chien Sum,* ACS Nano, 8,10101 (2014) 

30. A room temperature low-threshold ultraviolet plasmonic nanolaser, Qing Zhang, Guangyuan Li, Xinfeng Liu, Fang Qian, Yat Li, Tze Chien Sum, Charles M. Lieber, Qihua Xiong,* Nature Communications, 5, 4953 (2014) 

29. Room-Temperature Near-Infrared High-Q Perovskite Whispering-Gallery Planar Nanolasers, Qing Zhang, Son Tung Ha, Xinfeng Liu, Tze Chien Sum,* Qihua Xiong*, Nano Letters,14,5995 (2014) 

28. Novel self-assembled 2D networks based on zinc metal ion co-ordination: synthesis and comparative study with 3D networks, Deepa Rajwar, Xinfeng Liu, Zheng Bang Lim, Sung Ju Cho, Shi Chen, Jens MH Thomas, Abbie Trewin, Yeng Ming Lam, Tze Chien Sum,* Andrew C Grimsdale,* RSC Adv., 4, 17680 (2014) 

27. Solar-to-Fuels Conversion over In2O3-gC3N4 Hybrid Photocatalysts, Shao-Wen Cao, Xin-Feng Liu, Yu-Peng Yuan, Zhen-Yi Zhang, Yu-Sen Liao, Jun Fang, Say Chye Joachim Loo*, Tze Chien Sum, Can Xue*, Applied Catalysis B: Environmental, 147, 940 (2014) 

26. Spatially-Resolved Ultrafast Optical Spectroscopy of Polymer-Grafted Residues on CVD Graphene, Guannan Yu, Xinfeng Liu, Guichuan Xing, Shi Chen, Chin Fan Ng, Xiangyang Wu, Edwin KL Yeow, Wen Siang Lew, Tze Chien Sum,* J. Phys. Chem. C, 118,708 (2014)