* Corresponding authors

^a Institute of Materials Research and Engineering, Agency for Science, Technology and Research (A*STAR), Singapore
E-mail: zhang_danwei@imre.a-star.edu.sg, cao_jing@imre.a-star.edu.sg, xu_jianwei@isce2.a-star.edu.sg, ady_suwardi@imre.a-star.edu.sg

^b School of Chemistry, The University of Sydney, Camperdown, NSW 2050, Australia

^c Singapore Centre for 3D Printing, Nanyang Technological University, 65 Nanyang Drive, Singapore

^d School of Materials Science and Engineering, College of Engineering, Nanyang Technological University, Singapore

^e Institute of Sustainability for Chemicals, Energy and Environment, Agency for Science, Technology and Research (A*STAR), Singapore

^f Department of Materials Science and Engineering, College of Design and Engineering, National University of Singapore, Singapore