Table 1

Structural properties of the different samples
Sample Crystal size A/Ra (nm) Accurate N contentb (at.%) SBETc (m2g-1) Dpd (nm) Vpe (cm3g-1) Egf (eV)
NMTNR-4-400 12.7/- 0.74 87.6 6.2 0.1641 2.14
NMTNR-2-500 13.5/- 0.53 83.5 6.5 0.1621 2.23
NMTNR-4-500 15.1/- 0.86 90.1 6.1 0.1623 2.16
NMTNR-6-500 20.6/- 1.31 106.4 9.0 0.2550 2.05
NMTNR-4-600 35.5/58.6 0.32 76.1 7.0 0.1527 2.83

aCrystal size of the anatase (A)/rutile (R) particles calculated from XRD results. bAccurate N content (at.%) estimated from XPS. cBET specific surface area. dBJH adsorption average pore diameter (4 V/A). eSingle point adsorption total pore volume of pores less than 176.5958 nm diameter at P/P0 = 0.988927610. fThe band gap values estimated with Kubelka-Munk function from UV–vis absorbance spectra.

Zhou et al.

Zhou et al. Nanoscale Research Letters 2014 9:34   doi:10.1186/1556-276X-9-34

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