2013
DOI: 10.4028/www.scientific.net/amr.832.399
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Influence of Cathode Work Functions on the Photovoltaic Properties of MEH-PPV: TiO<sub>2</sub> Bulk Heterojunction Solar Cell

Abstract: Bulk heterojunction solar cell has received significant attention over the past decade due to low cost power generation and the potential to develop a clean renewable energy source [. We investigated the effect of different type of metal cathodes on the power conversion efficiency of bulk heterojunction solar cell based on a blend of conjugated polymer poly [2-methoxy 5-(2-ethyl-hexyloxy)-1,4-phenylene vinylene] (MEH-PPV) with titanium dioxide (TiO2). In this case of study, Aluminum (Al) and gold (Au) has been… Show more

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“…Graphene should be a competent material for this purpose compared with other carbon allotropes because of its highest electron mobility in theory. Moreover, photo-generated electrons in the conduction band of TiO 2 would spontaneously transport into graphene due to the more positive Fermi level of the former (work function is 4.6 eV for graphene and 4.2 eV for TiO 2 ) [ 14 , 115 , 116 ]. It is worth to note that the band bending at the interface of graphene and TiO 2 can be ignored due to their size (nano-scaled average size), which will be further discussed in Section 2.2.2 .…”
Section: Overview Of Graphene-tio 2 Composite Pmentioning
confidence: 99%
“…Graphene should be a competent material for this purpose compared with other carbon allotropes because of its highest electron mobility in theory. Moreover, photo-generated electrons in the conduction band of TiO 2 would spontaneously transport into graphene due to the more positive Fermi level of the former (work function is 4.6 eV for graphene and 4.2 eV for TiO 2 ) [ 14 , 115 , 116 ]. It is worth to note that the band bending at the interface of graphene and TiO 2 can be ignored due to their size (nano-scaled average size), which will be further discussed in Section 2.2.2 .…”
Section: Overview Of Graphene-tio 2 Composite Pmentioning
confidence: 99%