GoKawiilA.K.Y.J. is grateful for sponsorship by the Lee Shau-Kee Chair Professorship in Materials Science, and support from APRC grants (grant nos. 9380086, 9610419, 9610440, 9610492, 9610508) of the City University of Hong Kong; MHKJFS, TCFS and MRP (grant nos. MHP/054/23, GHP/121/22SZ, MRP/040/21X, respectively) grants from the Innovation and Technology Commission of Hong Kong; and GRF (grant nos. 11307621, 11316422, 11308625) and CRS (grant nos. CRS_CityU104/23 and CRS_HKUST203/23) grants from the Research Grants Council of Hong Kong. This work was partially financially supported by City University of Hong Kong (grant no. 9610739) via the ‘Fostering Innovation for Resilience and Sustainable Transformation’ project, which is officially endorsed by the United Nations Educational, Scientific and Cultural Organization, under the International Decade of Sciences for Sustainable Development (2024–2033). D.L. is grateful for support from the Collaborative Research Equipment Grant (grant no. C1015-21EF) via the Research Grants Council of Hong Kong. C.S.L. is grateful for support from the General Research Fund from the Research Grants Council of the Hong Kong Special Administrative Region (grant no. CityU 11303923). S.W.T. is grateful for the support from the National Natural Science Foundation of China (grant no. 62474151). X.K.C. gratefully acknowledges financial support from the National Key Research and Development Program of China (grant no. 2022YFB4200600), the National Natural Science Foundation of China (grant nos. W2511063 and 52473190), the Natural Science Foundation of Jiangsu Province (grant no. BK20240042), the Science and Technology Project of Suzhou (grant no. ZXL2024394), the Suzhou Key Laboratory of Functional Nano and Soft Materials, Collaborative Innovation Center of Suzhou Nano Science and Technology, and the 111 Project. We also gratefully acknowledge Y. Li, Y. Wang, Z. Yue and T. Xia from the City University of Hong Kong for their assistance with ultraviolet photoelectron spectroscopy, photoluminescence and electroluminescence measurements, and cell characterizations; M. Yan from the Nanjing University for their assistance with spectroscopic measurements; R. Walia from the Soochow University for their assistance with theoretical calculations; and S.-H. Jang from the University of Washington for their assistance with writing the manuscript.
Recycling of spin-triplet excitons in organic photovoltaics
Why This Matters
This research on recycling spin-triplet excitons in organic photovoltaics highlights advancements that could significantly improve the efficiency and sustainability of solar energy technologies. By better understanding exciton management, the study paves the way for more durable and cost-effective organic solar cells, benefiting both the industry and consumers seeking greener energy solutions.
Key Takeaways
- Enhances understanding of exciton recycling to boost solar cell efficiency
- Supports development of more sustainable and cost-effective organic photovoltaics
- Potential to improve durability and performance of future solar energy devices
Explore topics:
organic photovoltaics
spin-triplet excitons
lee shau-kee
city university of hong kong
hong kong science
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