The Comparison of Samples Prepared under Various Hydrolysis Conditions.

<p>The Comparison of Samples Prepared under Various Hydrolysis Conditions.</p

Extinction spectra of sample 1 calcinated at 400 and 600°C.

<p>Extinction spectra of sample 1 calcinated at 400 and 600°C.</p

EDS of Sample 1 after Calcination at 400°C for 2 Hours.

<p>EDS of Sample 1 after Calcination at 400°C for 2 Hours.</p

Comparison of the Raman spectrum of the samples after calcinations at 600°C: sample 1, sample 2, sample 3, sample 4, sample 5, sample 6.

<p>Comparison of the Raman spectrum of the samples after calcinations at 600°C: sample 1, sample 2, sample 3, sample 4, sample 5, sample 6.</p

ED images of the samples, (1) sample 1 calcinated at 400°C, (2) sample 2 calcinated at 400°C, (3) sample 1 calcinated at 600°C, (4) sample 2 calcinated at 600°C.

<p>ED images of the samples, (1) sample 1 calcinated at 400°C, (2) sample 2 calcinated at 400°C, (3) sample 1 calcinated at 600°C, (4) sample 2 calcinated at 600°C.</p

The Diffraction Rings Indexed according to JCPDS, card No∶ 21–1272.

<p>The Diffraction Rings Indexed according to JCPDS, card No∶ 21–1272.</p

The diffraction rings of antase nanocrystals in details.

<p>The diffraction rings of antase nanocrystals in details.</p

TEM image of the samples calcinated at 400°C for 2 hours: sample 1, sample 2, sample 3, sample 4.

<p>TEM image of the samples calcinated at 400°C for 2 hours: sample 1, sample 2, sample 3, sample 4.</p

Process of TiO₂ anatase nanocrystals preparation.

<p>Process of TiO₂ anatase nanocrystals preparation.</p

High-resolution transmission electron microscope (HRTEM) images, SEM images, and the selected-area electron diffraction (SAED) patterns of (a) pure TiO₂, (b) PEI-TiO₂ and (c) PSS-TiO₂ nanoparticles.

<p>High-resolution transmission electron microscope (HRTEM) images, SEM images, and the selected-area electron diffraction (SAED) patterns of (a) pure TiO₂, (b) PEI-TiO₂ and (c) PSS-TiO₂ nanoparticles.</p