Advances in Quantum Dot-Sensitized Solar Cells

Bingze Li

2025

Abstract

Quantum dot-sensitized solar cells (QDSSCs), as the third generation photovoltaic devices, have become an important direction to break through the efficiency limit of traditional silicon-based solar cells by virtue of their high theoretical efficiency (̃44%), low preparation cost, and wide spectral absorption range. This paper focuses on the latest research progress of the four core components of QDSSCs (photoanode, quantum dot sensitizer, electrolyte system, and counter electrode materials). By modifying black titanium dioxide and heterostructured composite photoanodes (e.g., TiO2@ZnO, g-C3N4@TiO2), the photoelectron transfer efficiency of photoanodes has been significantly improved, with the highest photoelectric conversion efficiency (PCE) of 9.11%. The application of organic chalcogenide quantum dots has led to a PCE exceeding 18%, while novel deposition techniques (e.g., CLIS/DA method) have enabled the more conventional ZCISe quantum dot cell to exceed 17% PCE, while improving its stability. Solid/quasi-solid electrolytes (e.g., polysulfide gels, Ce-doped LaMnO3) effectively solve the problem of volatilization and corrosion of liquid electrolytes, and improve PCE by 33%. High entropy sulfide and metal-organic framework derived pairs of electrode materials further optimized the catalytic performance and cell efficiency. Although the lab efficiency is close to 8%, the long-term stability (thousand-hour test limit) and scale-up production of QDSSCs are still key challenges.

Paper Citation

in Harvard Style

Li B. (2025). Advances in Quantum Dot-Sensitized Solar Cells. In Proceedings of the 2nd International Conference on Innovations in Applied Mathematics, Physics, and Astronomy - Volume 1: IAMPA; ISBN 978-989-758-774-0, SciTePress, pages 659-663. DOI: 10.5220/0013861400004708

in Bibtex Style

@conference{iampa25,
author={Bingze Li},
title={Advances in Quantum Dot-Sensitized Solar Cells},
booktitle={Proceedings of the 2nd International Conference on Innovations in Applied Mathematics, Physics, and Astronomy - Volume 1: IAMPA},
year={2025},
pages={659-663},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0013861400004708},
isbn={978-989-758-774-0},
}

in EndNote Style

TY - CONF

JO - Proceedings of the 2nd International Conference on Innovations in Applied Mathematics, Physics, and Astronomy - Volume 1: IAMPA
TI - Advances in Quantum Dot-Sensitized Solar Cells
SN - 978-989-758-774-0
AU - Li B.
PY - 2025
SP - 659
EP - 663
DO - 10.5220/0013861400004708
PB - SciTePress