Figure 2From: A Novel Route for Preparation of Hollow Carbon Nanospheres Without Introducing TemplateTEM images of prepared hollow carbon nanospheres at different reaction time and content.a,b,c products after 5, 7, 10 h, 0.3 g sodium alginated,e,f products after 7, 10, 18 h, 0.1 g sodium alginateBack to article page