能源化学(英文) ›› 2015, Vol. 21 ›› Issue (6): 762-769.DOI: 10.1016/j.jechem.2015.11.001

• ARTICLES • 上一篇    下一篇

Facile fabrication of TiO2 nanoparticle-TiO2 nanofiber composites by co-electrospinning-electrospraying for dye-sensitized solar cells

G. S. Anjusree, T. G. Deepak, Shantikumar V Nair, A. Sreekumaran Nair   

  1. Nanosolar Division, Amrita Centre for Nanosciences & Molecular Medicine, Amrita Institute of Medical Sciences(AIMS), Amrita Vishwa Vidyapeetham University, AIMS PO, Ponekkara, Kochi 682041, Kerala, India
  • 收稿日期:2015-07-31 修回日期:2015-08-25 出版日期:2015-11-15 发布日期:2015-11-15
  • 通讯作者: A. Sreekumaran Nair
  • 基金资助:

    This work was supported by Ministry of New and Renewable Energy (MNRE) and the Solar Energy Research Initiative (SERI), respectively, of Govt. of India.

Facile fabrication of TiO2 nanoparticle-TiO2 nanofiber composites by co-electrospinning-electrospraying for dye-sensitized solar cells

G. S. Anjusree, T. G. Deepak, Shantikumar V Nair, A. Sreekumaran Nair   

  1. Nanosolar Division, Amrita Centre for Nanosciences & Molecular Medicine, Amrita Institute of Medical Sciences(AIMS), Amrita Vishwa Vidyapeetham University, AIMS PO, Ponekkara, Kochi 682041, Kerala, India
  • Received:2015-07-31 Revised:2015-08-25 Online:2015-11-15 Published:2015-11-15
  • Contact: A. Sreekumaran Nair
  • Supported by:

    This work was supported by Ministry of New and Renewable Energy (MNRE) and the Solar Energy Research Initiative (SERI), respectively, of Govt. of India.

摘要: We report a facile method for the fabrication of TiO2 nanofiber-nanoparticle composite (FP) via. simultaneous electrospraying and electrospinning for dye-sensitized solar cell (DSC) applications. The loading of nanoparticles on the fibers is controlled by varying their feed rates during electrospinning. The FP composites having three different particle loading are prepared by the methodology and the FP with the highest particle loading (denoted as FP-3 in the manuscript) showed the best overall efficiency of 9.15% in comparison to the other compositions of the FP (FP-2, 8.15% and FP-1, 7.51%, respectively) and nanofibers (F) and nanoparticles (P) separately (7.21 and 7.81, respectively). All the material systems are characterized by spectroscopy, microscopy, surface area measurements and the devices are characterized by current-voltage (I-V), incident photon-to-current conversion efficiency (IPCE), electrochemical impedance measurements, etc. I-V, dye-loading and reflectance measurements throw light on the overall performance of the DSC devices.

关键词: TiO2 nanofiber-nanoparticle composites, Co-electrospraying-electrospinning, Dye-sensitized solar cell, Current-voltage measurements

Abstract: We report a facile method for the fabrication of TiO2 nanofiber-nanoparticle composite (FP) via. simultaneous electrospraying and electrospinning for dye-sensitized solar cell (DSC) applications. The loading of nanoparticles on the fibers is controlled by varying their feed rates during electrospinning. The FP composites having three different particle loading are prepared by the methodology and the FP with the highest particle loading (denoted as FP-3 in the manuscript) showed the best overall efficiency of 9.15% in comparison to the other compositions of the FP (FP-2, 8.15% and FP-1, 7.51%, respectively) and nanofibers (F) and nanoparticles (P) separately (7.21 and 7.81, respectively). All the material systems are characterized by spectroscopy, microscopy, surface area measurements and the devices are characterized by current-voltage (I-V), incident photon-to-current conversion efficiency (IPCE), electrochemical impedance measurements, etc. I-V, dye-loading and reflectance measurements throw light on the overall performance of the DSC devices.

Key words: TiO2 nanofiber-nanoparticle composites, Co-electrospraying-electrospinning, Dye-sensitized solar cell, Current-voltage measurements