A comparative study of charge transport in quasi-solid state dye-sensitized solar cells using polymer or nanocomposite gel electrolytes
Research output: Journal Publications and Reviews › RGC 21 - Publication in refereed journal › peer-review
Author(s)
Detail(s)
Original language | English |
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Pages (from-to) | 45-50 |
Journal / Publication | Journal of Electroanalytical Chemistry |
Volume | 687 |
Publication status | Published - 1 Nov 2012 |
Externally published | Yes |
Link(s)
Abstract
To improve the photovoltaic and durability performance of quasi-solid dye-sensitized solar cells (DSCs), we added selected gelators to the liquid electrolyte. Metal-oxide nanoparticles or fluorine polymers were employed to solidify 3-methoxypropionitrile-based liquid electrolytes containing an ionic liquid, 1,2-dimethyl-3-propyl imidazolium iodide, as a source of iodide. The electrochemical impedance spectroscopy and cyclic voltammetry were employed to study the kinetics of electrochemical and photoelectrochemical processes, including the elucidation of the electronic and ionic processes occurring in the various quasi-solid-state solar cells. Among tested gelators, a cell with TiO2 solidified electrolyte (P25, 17.5 wt%) exhibited the best photovoltaic performance with power conversion efficiency 7.65% under simulated sunlight (100 mWcm-2). The DSCs with a TiO2 solidified electrolyte showed endurance of stability superior to that of a pure liquid electrolyte. © 2012 Elsevier B.V. All rights reserved.
Research Area(s)
- Cyclic voltammetry, Dye-sensitized solar cells, Electrochemical impedance spectroscopy, Quasi-solid electrolytes, Transmission line model
Citation Format(s)
A comparative study of charge transport in quasi-solid state dye-sensitized solar cells using polymer or nanocomposite gel electrolytes. / Lee, Hsin-Fang; Kai, Ji-Jung; Liu, Pang-Chun et al.
In: Journal of Electroanalytical Chemistry, Vol. 687, 01.11.2012, p. 45-50.
In: Journal of Electroanalytical Chemistry, Vol. 687, 01.11.2012, p. 45-50.
Research output: Journal Publications and Reviews › RGC 21 - Publication in refereed journal › peer-review