The Scientific World Journal / 2012 / Article / Tab 1

Research Article

ZnFe 2 O 4 -TiO 2 Nanoparticles within Mesoporous MCM-41

Table 1

Textural characteristics of MCM-41 and ZTM series samples.

Sample 𝑆 B E T (m2 β‹… gβˆ’1)V (mL β‹… gβˆ’1)D (nm) 𝑑 1 0 0 (nm)a (nm)t (nm)

MCM-41830.00.643.083.864.461.38
ZTM1657.20.492.983.804.391.41
ZTM3838.60.643.073.804.391.32
ZTM5655.50.462.833.804.391.56
ZTM7724.50.522.883.834.421.54

𝑆 B E T : BET surface area, 𝑉 : pore volume, 𝐷 : average pore diameter, 𝑑 1 1 0 : d spacing, π‘Ž 0 : crystal cell parameter, calculated from π‘Ž 0 = 2 𝑑 1 0 0 / √ 3 , and t: wall thickness ( 𝑑 = π‘Ž 0 βˆ’ 𝐷 ).

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