Role of TiO2 Nanotube on Improvement of Performance of Hybrid Photovoltaic Devices
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Abstract
The performance of TiO2 nanotubes in bulk heterojunction of poly (2-methoxy-5-(2'-ethylhexyloxy)-1, 4-phenylenevinylene) (MEH-PPV)/TiO2 nanotubes is investigated. The transport properties are studied by using the time-of-flight technique (TOF). The carrier mobilities of both holes and electrons are not improved for the MEH-PPV:TiO2 composites compared with the pristine MEH-PPV. However, photoluminescence under the influence of the electric field indicates that the dissociation of excitons in the MEH-PPV:TiO2 composites, which is facilitated by photoinduced charge transfer, only requires a smaller electric field.
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SHI Quan-Min, HOU Yan-Bing, LI Yan, FENG Zhi-Hui, LIU Xiao-Jun. Role of TiO2 Nanotube on Improvement of Performance of Hybrid Photovoltaic Devices[J]. Chin. Phys. Lett., 2009, 26(1): 017202. DOI: 10.1088/0256-307X/26/1/017202
SHI Quan-Min, HOU Yan-Bing, LI Yan, FENG Zhi-Hui, LIU Xiao-Jun. Role of TiO2 Nanotube on Improvement of Performance of Hybrid Photovoltaic Devices[J]. Chin. Phys. Lett., 2009, 26(1): 017202. DOI: 10.1088/0256-307X/26/1/017202
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SHI Quan-Min, HOU Yan-Bing, LI Yan, FENG Zhi-Hui, LIU Xiao-Jun. Role of TiO2 Nanotube on Improvement of Performance of Hybrid Photovoltaic Devices[J]. Chin. Phys. Lett., 2009, 26(1): 017202. DOI: 10.1088/0256-307X/26/1/017202
SHI Quan-Min, HOU Yan-Bing, LI Yan, FENG Zhi-Hui, LIU Xiao-Jun. Role of TiO2 Nanotube on Improvement of Performance of Hybrid Photovoltaic Devices[J]. Chin. Phys. Lett., 2009, 26(1): 017202. DOI: 10.1088/0256-307X/26/1/017202
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