1 School of Physics, Southeast University, Nanjing, China. jlwang@seu.edu.cn.
2 School of Chemistry and Chemical Engineering, Southeast University, Nanjing, China. Yuanjian.Zhang@seu.edu.cn.
3 Center for Nanotechnology and Sustainability, College of Design and Engineering, National University of Singapore, Singapore. seeram@nus.edu.sg.
4 Materials Science and Engineering Program and Walker Department of Mechanical Engineering, The University of Texas at Austin, Austin, USA. ghyu@austin.utexas.edu.
In conjunction with the Emerging Investigator Forum celebrating the 120th anniversary of Southeast University, we herein present a collection of articles focused on the energy conversion, optics, and electronics applications of (nano)materials.