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Combined plasmonic and upconversion rear reflectors for efficient dye-sensitized solar cells
Parthiban Ramasamy1, Jinkwon Kim
1Department of Chemistry and GETRC, Kongju National University, 182, Shinkwondong, Kongju, 314-701, Chungnam-do, Republic of Korea. jkim@kongju.ac.kr.
Chemical Communications (Cambridge, England)
|December 4, 2013
Summary
A new rear reflector using upconversion nanoparticles (UCNPs) and silver particles boosts dye-sensitized solar cell (DSSC) performance. This innovation significantly enhances power conversion efficiency for solar energy applications.
Area of Science:
- Materials Science
- Nanotechnology
- Renewable Energy
Background:
- Dye-sensitized solar cells (DSSCs) are a promising photovoltaic technology.
- Improving DSSC performance and efficiency remains a key research objective.
- Upconversion nanoparticles (UCNPs) offer potential for enhanced light harvesting.
Purpose of the Study:
- To develop and evaluate a novel rear reflector structure for DSSCs.
- To investigate the combined effect of NIR light harvesting UCNPs and silver particles.
- To enhance the power conversion efficiency of DSSCs.
Main Methods:
- Fabrication of a novel rear reflector incorporating β-NaGdF4:Yb, Er, Fe upconversion nanoparticles (UCNPs) and silver particles.
- Integration of the rear reflector into dye-sensitized solar cells.
- Performance testing and efficiency measurements of the modified DSSCs.
Main Results:
- The DSSCs equipped with the novel rear reflector demonstrated improved performance.
- A power conversion efficiency of 7.04% was achieved with the rear reflector.
- This represents a significant 21.3% increase in efficiency compared to DSSCs without the reflector (5.8%).
Conclusions:
- The novel rear reflector structure effectively enhances DSSC performance.
- Combining NIR light harvesting UCNPs with silver particles is a viable strategy for DSSC improvement.
- This approach offers a pathway to more efficient solar energy conversion devices.
