Chengkun Liu is currently a professor in the School of Textile Science and Engineering at Xi’an Polytechnic University, Xi’an, China. He received his Ph.D. degree in materials science and engineering from Xi’an Jiaotong University in 2011. He worked as a visiting scholar at the University of Manchester from 2017 to 2018 in the UK. His research focuses on the design and development of flexible sensors for smart wearable products and health, and filtration materials for environment.