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Nitrogen-Doped Graphene / Platinum Counter Electrodes for Dye-Sensitized Solar Cells
| Content Provider | Semantic Scholar |
|---|---|
| Author | Lin, Chin-An Lee, Chuan-Pei Ho, Shu-Te Wei, Tzu-Chiao Chi, Yu-Wen Huang, Kuo-Chung Jr-Hau He |
| Copyright Year | 2014 |
| Abstract | Nitrogen-doped graphene (NGR) was utilized in dyesensitized solar cells for energy harvesting. NGR on a Pt-sputtered fluorine-doped tin oxide substrate (NGR/Pt/FTO) as counter electrodes (CEs) achieves the high efficiency of 9.38% via the nitrogen doping into graphene. This is due to (i) the hole-cascading transport at the interface of electrolyte/CEs via controlling the valence band maximum of NGR located between the redox potential of the I−/I− redox couple and the Fermi level of Pt by nitrogen doping, (ii) the extended electron transfer surface effect provided by large-surface-area NGR, (iii) the high charge transfer efficiency due to superior catalytic characteristics of NGR via nitrogen doping, and (iv) the superior light-reflection effect of NGR/Pt/FTO CEs, facilitating the electron transfer from CEs to I3 − ions of the electrolyte and light absorption of dye. The result demonstrated that the NGR/Pt hybrid structure is promising in the catalysis field. |
| File Format | PDF HTM / HTML |
| Alternate Webpage(s) | https://nanoenergy.kaust.edu.sa/Documents/20141.pdf |
| Language | English |
| Access Restriction | Open |
| Subject Keyword | Can - object Doping (semiconductor) Doping in Sports Dyes FTO gene Femtometer Fluorine Graphene Ion-Selective Electrodes Ions Platinum Ring counter Solar cell Triangulated irregular network electrode respiratory electron transport chain process stannic oxide |
| Content Type | Text |
| Resource Type | Article |
