Considering the tremendous interest of the organically dispersible GNS powders in many applications and their potential importance in promoting the development of GNSs as commercial products, such study is urgently required. Therefore, we took a comparative study on the lyopilized and vacuum-filtered GNS powders to definitely clarify the important role of the lyophilization method in the pro- duction of organically dispersible GNS powders. Moreover, the possible application of as-lyophilized GNS powders in the field of polymer composites was also illustrated.