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For TiO2 nanotubes with 22-nm pore diameter and 34-nm wall thickness (Figure 80A), upon 320-400 nm illumination at an intensity of 100 mW/cm2, hydrogen gas was generated at the power-time normalized rate of 960 mmol/h W (24 mL/h W) at an overall conversion efficiency of 6.8% as shown in Figure 80B. The length and diameter of the TiO2 nanotubes could be controlled over a wide range (diameter, 15-120 nm; length, 20 nm to 10 µm) with the applied potential between 1 and 25 V in optimized phosphate/HF electrolytes. They also claimed that, for illumination at 320-400 nm (98 mW/cm2), the TiO2 nanotube-array photoanodes could generate H2 by H2O photoelectrolysis with a photoconversion efficiency of 12.25%¡£ when doped with carbon, TiO2-xCx nanotube arrays showed more efficient water splitting under UV and visible light illumination (>420 nm) than pure TiO2 nanotube arrays¡£ ÇëÎÊÕ⼸¾ä»°Ôõô·Òë ![]() ![]() |
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sqlg888
Ìú³æ (ÕýʽдÊÖ)
- SFL-EPI: 1
- Ó¦Öú: 163 (¸ßÖÐÉú)
- ½ð±Ò: 4544.2
- ºì»¨: 27
- Ìû×Ó: 995
- ÔÚÏß: 191.8Сʱ
- ³æºÅ: 4176864
- ×¢²á: 2015-10-27
- רҵ: Ãñ×åҩѧ
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