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lanlan1987

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To estimate the £¨band gap energy£© of the studied samples the optical analysis was conducted. The DR-UV¨CVis spectra of TiO2-Degussa P25, m-SiO2/TiO2,

The increase of the band gap of m-SiO2/TiO2   can be   due to   the  fact that TiO2-Degussa P25 is composed of the anatase (~80% with band gap of ~3.2 eV) and rutile (~20% with band gap of ~3.0 eV)


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lanlan1987(½ð±Ò+2, ·­ÒëEPI+1): 2011-04-11 19:40:33
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The band gap energy is the energy needed to break a bond in the crystal
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lanlan1987(½ð±Ò+3): 2011-04-11 19:40:38
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the anatase (~80% with band gap of ~3.2 eV£º½û´ø¿í~3.2eVµÄÈñîÑ¿óÐÍÔ¼Õ¼80%) and rutile (~20% with band gap of ~3.0 eV£º½û´ø¿í~3.0eVµÄ½ðºìʯÐÍÔ¼Õ¼20%)
3Â¥2011-04-08 00:21:23
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