Soon Yee Liew

Title: Soon Yee Liew and Graphene Innovation

Introduction

Soon Yee Liew is an inventor associated with Hong Kong Applied Science and Technology Research Institute in Hong Kong, China. His patent work includes a method for forming graphene membranes and layers through self-assembly with cellulose nanofibers.

Latest Patents

Liew is credited with 1 patent: “Direct-formation self-assembly graphene from cellulose nanofiber aqueous solution.” The invention describes forming a freestanding graphene membrane or layer from industrial graphene particles and cellulose nanofibers. An aqueous dispersion of the materials is deposited on a substrate, then self-assembled and dried.

The patent specifies a graphene-to-cellulose-nanofiber mass ratio of approximately 12:1 to 20:1 in the resulting membrane or layer. It also describes electrical conductivity of approximately 5.8 to 7.2 S/cm and thermal conductivity of 2,000 to 3,000 W mK. Possible dopants include oxygen, nitrogen, sulfur, nickel, gold, silver, zinc, copper, magnesium, and boron.

Career Highlights

Liew’s listed patent focuses on producing graphene structures using cellulose nanofibers and an aqueous process. The approach describes a route to freestanding graphene membranes or layers with specified material ratios and conductivity properties.

Collaborations

Liew’s listed coworkers include Wei Huang and Shengbo Lu. His work is associated with Hong Kong Applied Science and Technology Research Institute.

Conclusion

Soon Yee Liew’s patent documents a self-assembly approach to forming graphene membranes and layers from graphene and cellulose nanofibers, highlighting his contribution to materials innovation.