Electrospun TiO2 nanofibers for metal free indoline dye sensitized solar cells

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Patil, Jyoti V. and Mali, Sawanta S. and Patil, Akhilesh P. and Patil, Pramod S. and Hong, Chang Kook (2019) Electrospun TiO2 nanofibers for metal free indoline dye sensitized solar cells. Journal of Materials Science: Materials in Electronics, 30 (13). pp. 12555-12565. ISSN 0957-4522 (https://doi.org/10.1007/s10854-019-01616-2)

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Abstract

In this study, TiO2 nanofibers (NFs) have been synthesized by a simple and cost-effective electrospinning method. The diameter of TiO2 NFs has been controlled by varying the feed rate from 0.5 to 1.5 ml h−1. The synthesized NFs are studied for their morphological, optical, structural and compositional properties. The surface morphological analysis of the TiO2 NFs revealed that the feed rate is playing a key role in order to control the diameter. The X-ray diffraction (XRD) analysis revealed that the formation of anatase TiO2 with the tetragonal crystal structure. The compositional analysis showed the formation of pristine TiO2 NFs. Further, the mp-TiO2 and TiO2 NFs paste were prepared and deposited on FTO substrate via doctor blade method and successfully used as a photoanode for indoline (DN350) dye DSSCs. Our optimized devices showed highest 3.92% PCE with JSC of 9.73 mAcm−2, VOC of 0.650 V and FF of 0.62 for TiO2 NFs prepared at 1.0 ml h−1 feed rate.

ORCID iDs

Patil, Jyoti V., Mali, Sawanta S. ORCID logoORCID: https://orcid.org/0000-0002-4973-4203, Patil, Akhilesh P., Patil, Pramod S. and Hong, Chang Kook;
CORE (COnnecting REpositories)