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Coaxial electrospun TiO2/ZnO core–sheath nanofibers film: Novel structure for photoanode of dye-sensitized solar cells
- Source :
-
Electrochimica Acta . Sep2012, Vol. 78, p392-397. 6p. - Publication Year :
- 2012
-
Abstract
- Abstract: Novel TiO2/ZnO core–sheath nanofibers (NFs) film was fabricated through an extraordinary coaxial electrospinning technique. Dye-sensitized solar cells (DSSCs) were assembled using the TiO2/ZnO NFs film as photoanode. FESEM, TEM, FTIR, XRD, XPS and UV–vis were used to characterize the NFs electrode film. Photocurrent–voltage (I–V) characteristic, incident photo-to-current conversion efficiency (IPCE) spectrum, and electrochemical impedance spectroscopy (EIS) measurements were performed to evaluate the DSSCs performance. The results reveal that the DSSCs based on the TiO2/ZnO core–sheath NFs are superior to their bare TiO2 NFs-based counterparts. Compared with the latter, the overall energy conversion efficiency was enhanced from 4.47 to 5.17%. And the possible mechanism for this enhancement was discussed. [Copyright &y& Elsevier]
Details
- Language :
- English
- ISSN :
- 00134686
- Volume :
- 78
- Database :
- Academic Search Index
- Journal :
- Electrochimica Acta
- Publication Type :
- Academic Journal
- Accession number :
- 78151610
- Full Text :
- https://doi.org/10.1016/j.electacta.2012.06.034