The group warmly welcomes a new visiting postdoc Dr. Shijie Yu joining us. Shijie received his PhD in Energy and Power Engineering from Tsinghua University with Prof. Yanguo Zhang. He did postdoc with Prof. Ning Yan at National University of Singapore and then another postdoc with Prof. ted Sargent at Northwestern University. He will work on polymer recycling. Welcome to the group. Look forward to working together!