Natural Dye-Sensitized Solar Cells Based on Highly Ordered TiO<sub><b>2</b></sub> Nanotube Arrays

<table>XRD patterns of (a) the TiO<sub>2</sub> nanotube arrays ample annealed at 500°C  and (b) the TiO<sub>2</sub> nanotube arrays ample annealed at 600°C. A, R, and <svg height="11.6" id="M2" style="vertical-align:-0.0pt" version="1.1" viewbox="0 0 10.6125 11.6" width="10.6125" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
<g transform="matrix(.017,-0,0,-.017,.062,11.537)"><path d="M592 498l-30 -3q-13 63 -31 89q-13 19 -33.5 25.5t-75.5 6.5h-70v-493q0 -60 16 -75.5t86 -19.5v-28h-286v28q68 4 83.5 19.5t15.5 75.5v493h-62q-60 0 -83 -7t-33 -24q-12 -17 -32 -90h-29q10 116 12 180h20q10 -16 21 -20.5t34 -4.5h395q19 0 28.5 5t21.5 20h21
q2 -89 11 -177z" id="x54"></path></g>
</svg> represent anatase, rutile, and titanium, respectively.</table>

International Journal of Photoenergy

fig2

Figure 2

Figure 2: Natural Dye-Sensitized Solar Cells Based on Highly Ordered TiO<sub><b>2</b></sub> Nanotube Arrays 

International Journal of Photoenergy

Natural Dye-Sensitized Solar Cells Based on Highly Ordered TiO2 Nanotube Arrays

Figure 2

Natural Dye-Sensitized Solar Cells Based on Highly Ordered TiO₂ Nanotube Arrays