Andrew Knott
Design and optical characterisation of an efficient light trapping structure for dye-sensitized solar cell integrated windows
Knott, Andrew; Liu, Xiao; Makarovskiy, Oleg; O'Shea, James; Tuck, Chris; Wu, Yupeng
Authors
Xiao Liu
OLEG MAKAROVSKIY Oleg.Makarovsky@nottingham.ac.uk
Associate Professor
JAMES O'SHEA J.OSHEA@NOTTINGHAM.AC.UK
Associate Professor and Reader in Physics
CHRISTOPHER TUCK CHRISTOPHER.TUCK@NOTTINGHAM.AC.UK
Professor of Materials Engineering
YUPENG WU yupeng.wu@nottingham.ac.uk
Professor of Building Physics
Abstract
Windows integrated with semi-transparent photovoltaics (PVs) such as Dye-Sensitized Solar Cells (DSSCs) show good potential in improving building performance, in term of providing daylight, reducing unnecessary solar heat gain and also generating electricity onsite. However, low cell efficiency remains an obstacle for their applications in windows. Using light trapping structures in DSSCs shows potentially to improve solar to electrical conversion efficiency. In this work, different pyramid-patterned titanium dioxide (TiO2) geometries are designed to enhance the photon absorption in DSSCs, and characterised using a Monte-Carlo algorithm based 3D ray-tracing simulation. Various studies were carried out under average irradiation, spectrum dependent irradiation and different solar incidental angles, respectively. The simulation results at the average irradiation wavelength (540 nm) were compared to those from a previous study using Scanning Photocurrent Microscopy (SPCM) and a reasonable agreement has been achieved. It was found that the structure based on the pyramid array of side wall angle 54.7° can significantly enhance light absorption by up to ~25% and the maximum achievable photocurrent density (MAPD) by up to ~45% across the spectrum of 380-800 nm, when compared to a planar control counterpart.
Citation
Knott, A., Liu, X., Makarovskiy, O., O'Shea, J., Tuck, C., & Wu, Y. (2019). Design and optical characterisation of an efficient light trapping structure for dye-sensitized solar cell integrated windows. Building Simulation, 12(1), 41-49. https://doi.org/10.1007/s12273-018-0485-1
Journal Article Type | Article |
---|---|
Acceptance Date | Oct 3, 2018 |
Online Publication Date | Nov 19, 2018 |
Publication Date | Feb 1, 2019 |
Deposit Date | Oct 9, 2018 |
Publicly Available Date | Nov 20, 2019 |
Journal | Building Simulation |
Print ISSN | 1996-3599 |
Electronic ISSN | 1996-8744 |
Publisher | Springer Publishing Company |
Peer Reviewed | Peer Reviewed |
Volume | 12 |
Issue | 1 |
Pages | 41-49 |
DOI | https://doi.org/10.1007/s12273-018-0485-1 |
Keywords | Light trapping; Ray tracing; Pyramid; Pattern; MAPD; Wavelength |
Public URL | https://nottingham-repository.worktribe.com/output/1153205 |
Publisher URL | https://link.springer.com/article/10.1007%2Fs12273-018-0485-1 |
Additional Information | Received: 28 June 2018; Revised: 12 August 2018; Accepted: 30 September 2018; First Online: 19 November 2018 |
Files
Design and Optical Characterisation of an Efficient Light Trapping Structure
(1.9 Mb)
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Publisher Licence URL
https://creativecommons.org/licenses/by/4.0/
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