Publication: Carbon nanotubes influenced indium oxide as photoanode for dye-sensitized solar cell
Date
2020
Authors
Mahalingam S.
Abdullah H.
Manap A.
Journal Title
Journal ISSN
Volume Title
Publisher
Korean Society of Mechanical Engineers
Abstract
This study considers the influence of carbon nanotubes (CNTs) which are single-walled carbon nanotubes (SWCNTs) and multi-walled carbon nanotubes (MWCNTs) in indium oxide (In2O3) for dye-sensitized solar cells. The thin films were prepared by sol-gel method annealed at 550 �C using 0.3 wt.% of CNTs. The result showed the thin films are of body-centered cubic phase. The crystallite sizes of In2O3, In2O3-MWCNTs and In2O3-SWCNTs were measured with 63, 43 and 30 nm, respectively. Although the morphology analysis showed very rough surface area for In2O3-MWCNTs, In2O3-SWCNTs exhibited greater photovoltaic performance. The In2O3-SWCNTs-based DSSC exhibited good photovoltaic performance with power conversion efficiency, photocurrent density, open circuit voltage, and fill factor of 1.02 %, 5.01 mA/cm2, 0.43 V and 0.32, respectively. This is due to the large surface area and pore volume in In2O3-SWCNTs assisting efficient dye-loading that promotes higher efficiency. The obtained results revealed the influence of the addition of CNTs in In2O3-based DSSC. � 2020, The Korean Society of Mechanical Engineers and Springer-Verlag GmbH Germany, part of Springer Nature.
Description
Crystallite size; Dye-sensitized solar cells; Efficiency; Morphology; Multiwalled carbon nanotubes (MWCN); Nanotubes; Open circuit voltage; Single-walled carbon nanotubes (SWCN); Sol-gel process; Sol-gels; Thin films; Body-centered-cubic phase; Higher efficiency; Large surface area; Morphology analysis; Photocurrent density; Photovoltaic performance; Power conversion efficiencies; Single-walled carbon nanotube (SWCNTs); Indium compounds