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|Title:||Electrospun conductive polyaniline-polylactic acid composite nanofibers as counter electrodes for rigid and flexible dye-sensitized solar cells|
|Citation:||Peng, S., Zhu, P., Wu, Y., Mhaisalkar, S.G., Ramakrishna, S. (2012-01-21). Electrospun conductive polyaniline-polylactic acid composite nanofibers as counter electrodes for rigid and flexible dye-sensitized solar cells. RSC Advances 2 (2) : 652-657. ScholarBank@NUS Repository. https://doi.org/10.1039/c1ra00618e|
|Abstract:||Conductive polyaniline doped with 10-camphorsulfonic acid (PANI·CSA) blended with polylactic acid (PLA) composite films are directly deposited on rigid fluorine-doped tin oxide and flexible indium tin oxide-coated polyethylene naphthalate substrates by using a simple electrospinning method. The scanning electron microscope and atomic force microscope images show that the PANI·CSA-PLA film is assembled from about 200 nm-diameter nanofibers, with a generally uniform thickness of about 2 μm. The three-dimensional porous fibrous PANI·CSA-PLA films indicate good electrocatalytic performance for I 3 -/I - electrolyte, demonstrated by electrochemical impedance spectra and cyclic voltammetry measurements. The photoelectric conversion efficiency of the dye-sensitized solar cells (DSCs) firstly based on such rigid and flexible PANI·CSA-PLA counter electrodes achieves 5.3% and 3.1% under 1 sun illumination of 100 mW cm -2 (AM 1.5), respectively, which is close to that of sputtered Pt-based DSCs. In addition, the rigid PANI·CSA-PLA-based DSC demonstrates good stability. As the PANI·CSA-PLA counter electrodes can be obtained in a short time at room temperature, they are potentially applicable in large-area DSCs and suitable for flexible DSCs. © 2012 The Royal Society of Chemistry.|
|Source Title:||RSC Advances|
|Appears in Collections:||Staff Publications|
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