**About the Editors**

## **Ting-Yu Liu**

Ting-Yu Liu received his PhD degree at the Department of Materials Science and Engineering, National Chiao Tung University, Taiwan, in 2008. He worked at the Department of Materials Science and Engineering, University of Pennsylvania, USA, for 1 year of research. After that, he was a post-doc fellow at the Institute of Atomic and Molecular Sciences, Academia Sinica, Taiwan, from 2009 to 2011, and a project assistant professor at the Institute of Polymer Science and Engineering, National Taiwan University, from 2011 to 2013. He is currently a distinguished professor at the Department of Materials Engineering, Ming Chi University of Technology, Taiwan. His research covers nanomaterials, biomaterials, polymer composites, and opto-electric (surface-enhanced Raman spectroscopy detection) and electrochemical sensing. He has published more than 100 SCI-indexed journal articles and has an h-index of 32 according to the citation report from Google Scholar.

#### **Yu-Wei Cheng**

Yu-Wei Cheng received his PhD degree from the Institute of Polymer Science and Engineering, National Taiwan University. He is currently an assistant professor at the Department of Chemical Engineering, Ming Chi University of Technology, Taiwan. His research interests included the synthesis of functionalized polymers and the fabrication of optimized Raman enhancing nanoparticle arrays for small-molecule detection. His recent research focuses on manipulated metal nanoparticle arrays grown on 2D and 3D substrates for multifunctional smart sensors and surface-enhanced Raman scattering detection, published in the highly ranking journals of chemistry and physical fields. He has published approximately 27 SCI-indexed journal articles and has an a h-index of 12 according to a citation report from Google Scholar.
