Research Article
Controllable Architecture of Mesoporous Double-Nanoshell SiO2/TiO2 Hollow Tube Based on Layer by Layer Method
Figure 6
Structural characterization of SiO2/TiO2 double-nanoshell hollow tubes: (a) nitrogen adsorption-desorption isotherms and (b) pore size distribution calculated from the adsorption branch of isotherms.
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