Journal Article10.1016/J.JPHOTOCHEM.2018.10.018
An analytical solution for charge carrier densities in dye-sensitized solar cells
B. Maldon,Ngamta Thamwattana +1 more
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TL;DR: In this paper, a set of partial differential equations are used to model the density of electrons in the conduction band of a DSSC's semiconductor and in the electrolyte couple.
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Abstract: Dye-sensitized solar cells (DSSCs) are a novel approach to the renewable energy problem, allowing sunlight conversion while reducing production costs. Electricity generation is achieved through a series of chemical reactions designed to transport electrons as a means of creating a circuit. Current challenges facing their development is to reduce the impact of recombination reactions, whilst enhancing their efficiency. In this paper, we investigate the behaviour of DSSCs by solving a set of partial differential equations which are used to model the density of electrons in the conduction band of a DSSC's semiconductor and in the electrolyte couple. Previously, approaches to solve these equations are by assuming steady-state models and then making use of numerical methods. In this paper, we obtain full analytical solutions to these equations and based on values of parameters associated with DSSCs available in the literature, we derive results which can be used to determine the performance of DSSCs.
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Citations
•Book
太阳电池器件物理 = Solar cell device physics
Stephen J. Fonash
- 01 Jan 2011
TL;DR: Fonash's seminal text as discussed by the authors is updated with new advances in nanomaterials and thin films that point the way to cheaper, more efficient solar energy production and, many of the detailed equations from the first edition have been shifted to appendices in order to improve readability.
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A Fractional Diffusion Model for Dye-Sensitized Solar Cells
TL;DR: A new model for electron transport inside the conduction band of a dye-sensitized solar cell comprising of TiO2 as its nanoporous semiconductor is proposed, based on fractional diffusion equations, taking into consideration the random walk network ofTiO2.
13
Exploring nonlinear diffusion equations for modelling dye-sensitized solar cells
TL;DR: Under linear diffusion and recombination, this paper provides analytical solutions to the diffusion equation of electron density in the conduction band of the nano-porous semiconductor in dye-sensitized solar cells.
Interacting Ru(bpy) 32+ Dye Molecules and TiO2 Semiconductor in Dye-Sensitized Solar Cells
Sasipim Putthikorn,Thien Tran-Duc,Ngamta Thamwattana,James M. Hill,Duangkamon Baowan +4 more
- 22 May 2020
TL;DR: In this article, the authors formulated a continuum model for the interaction between the dye molecule Tris(2,2 ′ -bipyridyl)ruthenium(II) (Ru(bpy) 3 2 + ) and titanium dioxide (TiO 2 ) semiconductor.
2
References
Analysis and design of dye-sensitized solar cell
TL;DR: In this article, a one-dimensional steady-state model of the DSSC coupled with a model to predict global irradiance on a terrestrial surface is utilized to analyze the performance of a DSSc installation.
An analytical study of the porosity effect on dye-sensitized solar cell performance
TL;DR: In this article, two methods, namely, constant overlap and variable overlap, were developed to determine the connectivity of dye-sensitized TiO2 particles in high and low porosity levels, respectively.
•Book
Dye-sensitized Solar Cells
Michael Grätzel
- 03 Aug 2010
TL;DR: The dye-sensitized solar cells (DSC) as discussed by the authors provides a technically and economically credible alternative concept to present day p-n junction photovoltaic devices, where light is absorbed by a sensitizer, which is anchored to the surface of a wide band semiconductor.