Effect of Incorporating Inorganic Nanostructures on the Efficiency of Organic Solar Cells

Simulating sunlight with nanostructures: how MEEP empowers clean energy research with open-source precision.

The Urgent Need & Mexico's Unexploited Solar Advantage

Our planet is warming at an alarming rate, with Mexico already experiencing a 1.8°C temperature increase since the pre-industrial era. This is not a distant threat; it's a present reality demanding urgent action. Fortunately, Mexico possesses a powerful, underutilized resource to combat this crisis.

Solar Radiation in Northern Mexico

0.00 kWh/m²/day

This incredible level of solar energy, exceeding 6.22 kWh/m²/day, is equivalent to the power consumed by a large corporate building in a warm climate.

A Game Changer: Organic Solar Cells

To harness this solar potential, we turn to innovative technologies. While silicon-based cells have long been the standard, Organic Solar Cells (OSCs) are emerging as a powerful alternative.

Hover over the data points to see the efficiency achieved in a given year.

*Graphic from the National Renewable Energy Laboratory*

The Nano-Boost: Tiny Structures, Giant Impact

How can we push OSC efficiency even further? The answer lies in the world of the incredibly small: nanostructures.

Click on the cards below to learn about different types of nanostructures and their roles.

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Nanoparticles

Tiny spheres that enhance light scattering and absorption.

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Nanotubes

Hollow cylinders that excel at transporting electrical charge.

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Nanolayers

Ultra-thin films that manage light and charge flow between layers.

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Nanoflowers

Complex, 3D structures with a large surface area for light capture.

Click a card above to see details.

The Virtual Lab: Why We Simulate

Developing and testing nanostructures in a physical lab is expensive and time-consuming. Instead, we can use powerful computer simulations to model, test, and optimize designs before ever building them.

Commercial Tools

  • Expensive: High licensing fees create barriers to entry.
  • Closed-Source: "Black box" approach limits understanding.
  • Rigid: Difficult to modify underlying physical models.

Python + MEEP (Open-Source)

  • Free & Accessible: Open-source removes cost barriers.
  • Customizable: Full control to modify and extend models.
  • Integrated: Seamlessly combines simulation, data processing, and visualization.
  • Community Driven: Supported by an active community.

The goal is not to replace the lab, but to enter it with a robust, data-backed hypothesis.

References

  1. [1] Gaceta UNAM, "Aceleración en el calentamiento global", accessed: May 7, 2025, https://www.gaceta.unam.mx/aceleracion-en-el-calentamiento-global/
  2. [2] E. A. P. Lira-Cantú, et al., "Assessment of solar radiation in Mexico: Towards a national strategy for photovoltaic energy", Solar Energy, vol. 110, pp. 696-708, 2014, https://www.sciencedirect.com/science/article/abs/pii/S1364032114008429
  3. [3] M. I. Haque, et al., "Recent advances in perovskite solar cells: A review", Solar Energy, vol. 280, 2024, https://www.sciencedirect.com/science/article/pii/S0038092X24008673
  4. [4] M. H. Mohammadi, D. Eskandari, M. Fathi, "Morphological investigation and 3D simulation of plasmonic nanostructures to improve the efficiency of perovskite solar cells", Sci Rep 13, 18584 (2023). https://doi.org/10.1038/s41598-023-46098-9
  5. [5] M. Aliyariyan, D. Fathi, M. Eskandari, "Simulation and investigation of perovskite/nano-pyramidal GeSe solar cell: Realizing high efficiency by controllable light trapping", Solar Energy, 214, 310–318 (2021). https://doi.org/10.1016/j.solener.2020.11.063
  6. [6] MEEP Documentation, accessed: May 7, 2025, https://meep.readthedocs.io/en/latest
  7. [7] NREL Best Research-Cell Efficiencies, accessed: May 7, 2025, https://www.nrel.gov/pv/cell-efficiency
  8. [8] Baruah, S.; Afre, R.A.; Pugliese, D. "Effect of Size and Morphology of Different ZnO Nanostructures on the Performance of Dye-Sensitized Solar Cells". Energies 2024, 17, 2076. https://doi.org/10.3390/en17092076
  9. [9] "Design and Analysis of Thin Film Silicon Solar Cells Using FDTD Method", accessed: May 7, 2025, https://www.researchgate.net/publication/281022101_Design_and_Analysis_of_Thin_Film_Silicon_Solar_Cells_Using_FDTD_Method
  10. [10] "MEEP: A flexible free-software package for electromagnetic simulations by the FDTD method", accessed: May 7, 2025, https://github.com/NanoComp/meep