Figure 7From: Significantly enhanced dye removal performance of hollow tin oxide nanoparticles via carbon coating in dark environment and study of its mechanismNitrogen adsorption-desorption isotherms and pore size distribution. (a) Nitrogen adsorption-desorption isotherms of the as-synthesized SnO2 and hollow SnO2@C nanoparticles. (b) The pore size distribution of the hollow SnO2@C nanoparticles.Back to article page