Chemical vapor treatment of zinc oxide photoelectrodes for efficiency enhancement of dye-sensitized solar cells
© 2017, Springer-Verlag Wien. Abstract: ZnO photoelectrodes were successfully treated using hydrochloric vapor. The vapor was generated from hydrochloric acid solution with sonication assistance. The morphology showed a formation of plate-like structures after the vapor treatment, resulting in light...
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| Main Authors: | , , , |
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| 格式: | 雜誌 |
| 出版: |
2017
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| 在線閱讀: | https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=85019183909&origin=inward http://cmuir.cmu.ac.th/jspui/handle/6653943832/40322 |
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| 機構: | Chiang Mai University |
| 總結: | © 2017, Springer-Verlag Wien. Abstract: ZnO photoelectrodes were successfully treated using hydrochloric vapor. The vapor was generated from hydrochloric acid solution with sonication assistance. The morphology showed a formation of plate-like structures after the vapor treatment, resulting in light scattering which was observed in terms of increased reflectance compared with the non-treated photoelectrodes. A dye-sensitized solar cell fabricated with the treated photoelectrodes exhibited an enhanced power conversion efficiency of 3.00% in comparison to the non-treated photoelectrodes base of 2.35%. The enhanced power conversion efficiency was observed in direct relation to the increased short-circuit current density. The increased short-circuit current density is due to the achieved light scattering in the photoelectrodes. Moreover, an extended open-circuit voltage was observed due to reduced electron recombination in the device. Therefore, a chemical vapor treatment of ZnO photoelectrodes via hydrochloric acid resulted in a successful scattering layer formation and a reduced recombination process for power conversion efficiency enhancement of ZnO dye-sensitized solar cells. |
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