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Nano Research Energy 2024, 3: e9120095 https://doi.org/10.26599/NRE.2023.9120095
Review Article | Open Access | Issue | Published: 13 September 2023

Colloidal quantum dot for infrared-absorbing solar cells: State-of-the-art and prospects

Show Author's Information Siyu Zheng1,§,  Xinyi Mei1,§,  Jingxuan Chen1,  Erik M. J. Johansson2,  Xiaoliang Zhang1( )
School of Materials Science and Engineering, Beihang University, Beijing 100191, China
Department of Chemistry-Ångström, Physical Chemistry, Uppsala University, Uppsala 75120, Sweden

§ Siyu Zheng and Xinyi Mei contributed equally to this work.

Keywords:
solar cell, solar energy, colloidal quantum dot, photovoltaic performance, infrared absorbing
Cite this article:
Zheng S, Mei X, Chen J, et al. Colloidal quantum dot for infrared-absorbing solar cells: State-of-the-art and prospects. Nano Research Energy, 2024, 3: e9120095. https://doi.org/10.26599/NRE.2023.9120095
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Abstract Full text About this article

Colloidal quantum dot (CQD) shows great potential for application in infrared solar cells due to the simple synthesis techniques, tunable infrared absorption spectrum, and high stability and solution-processability. Thanks to significant efforts made on the surface chemistry of CQDs, device structure optimization, and device physics of CQD solar cells (CQDSCs), remarkable breakthroughs are achieved to boost the infrared photovoltaic performance and stability of CQDSCs. In particular, the CQDSC with a high power conversion efficiency of ~ 14% and good stability is reported, which is very promising for infrared-absorbing solar cells. In this review, we highlight the unique optoelectronic properties of CQDs for the development of infrared-absorbing solar cells. Meanwhile, the latest advances in finely controlling surface properties of CQDs are comprehensively summarized and discussed. Moreover, the device operation of CQDSCs is discussed in-depth to highlight the impact of the device structure optimization of CQDSCs on their photovoltaic performance, and the emerging novel types of CQDSCs, such as semitransparent, flexible, and lightweight CQDSCs, are also demonstrated. The device stability of CQDSCs is also highlighted from the viewpoint of practical applications. Finally, the conclusions and possible challenges and opportunities are presented to promote the development steps of the CQDSCs with higher infrared photovoltaic performance and robust stability.


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About this article

Colloidal quantum dot for infrared-absorbing solar cells: State-of-the-art and prospects

Show Author's information Siyu Zheng1,§, Xinyi Mei1,§, Jingxuan Chen1, Erik M. J. Johansson2, Xiaoliang Zhang1( )
School of Materials Science and Engineering, Beihang University, Beijing 100191, China
Department of Chemistry-Ångström, Physical Chemistry, Uppsala University, Uppsala 75120, Sweden

§ Siyu Zheng and Xinyi Mei contributed equally to this work.

Abstract

Colloidal quantum dot (CQD) shows great potential for application in infrared solar cells due to the simple synthesis techniques, tunable infrared absorption spectrum, and high stability and solution-processability. Thanks to significant efforts made on the surface chemistry of CQDs, device structure optimization, and device physics of CQD solar cells (CQDSCs), remarkable breakthroughs are achieved to boost the infrared photovoltaic performance and stability of CQDSCs. In particular, the CQDSC with a high power conversion efficiency of ~ 14% and good stability is reported, which is very promising for infrared-absorbing solar cells. In this review, we highlight the unique optoelectronic properties of CQDs for the development of infrared-absorbing solar cells. Meanwhile, the latest advances in finely controlling surface properties of CQDs are comprehensively summarized and discussed. Moreover, the device operation of CQDSCs is discussed in-depth to highlight the impact of the device structure optimization of CQDSCs on their photovoltaic performance, and the emerging novel types of CQDSCs, such as semitransparent, flexible, and lightweight CQDSCs, are also demonstrated. The device stability of CQDSCs is also highlighted from the viewpoint of practical applications. Finally, the conclusions and possible challenges and opportunities are presented to promote the development steps of the CQDSCs with higher infrared photovoltaic performance and robust stability.

Keywords: solar cell, solar energy, colloidal quantum dot, photovoltaic performance, infrared absorbing

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Publication history
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Acknowledgements
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Publication history

Received: 21 July 2023
Revised: 11 August 2023
Accepted: 14 August 2023
Published: 13 September 2023
Issue date: March 2024

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© The Author(s) 2023. Published by Tsinghua University Press.

Acknowledgements

Acknowledgements

This work was supported by the National Key Research and Development Program of China (No. 2022YFB3807200), the National Natural Science Foundation of China (Nos. 52372169 and 51872014), and the Recruitment Program of Global Experts, and the “111” project (No. B17002).

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