23.2% efficient low band gap perovskite solar cells with cyanogen management

Journal Article · 01 January 2025 · Energy & Environmental Science

DOI: https://doi.org/10.1039/D4EE03001J · OSTI ID:2478946

Perera, W. Hashini K.  ^[1]; Webb, Thomas  ^[2]; Xu, Yuliang  ^[3]; Zhu, Jingwei  ^[3]; Zhou, Yundong  ^[4]; Trindade, Gustavo F.  ^[4]; Masteghin, Mateus G.  ^[1]; Harvey, Steven P.  ^[5]; Jenatsch, Sandra  ^[6]; Dai, Linjie  ^[7]; Sathasivam, Sanjayan  ^[8]; Macdonald, Thomas J.  ^[9]; Hinder, Steven J.  ^[10]; Zhao, Yunlong  ^[11]; Stranks, Samuel D.  ^[7]; Zhao, Dewei  ^[3]; Zhang, Wei  ^[1]; Jayawardena, K. D. G. Imalka  ^[1]; Haque, Saif A.  ^[2]; Silva, S. Ravi P.  ^[1]

---

1. Advanced Technology Institute, School of Computer Science and Electronic Engineering, University of Surrey, Guildford, Surrey GU2 7XH, UK
2. Department of Chemistry and Centre for Processable Electronics, Imperial College London, London W12 0BZ, UK
3. College of Materials Science and Engineering and Engineering Research Centre of Alternative Energy Materials and Devices, Ministry of Education, Sichuan University, Chengdu 610065, China
4. National Physical Laboratory, NiCE-MSI, Teddington TW11 0LW, UK
5. Materials Science Centre, National Renewable Energy Laboratory, Golden, Colorado 80401, USA
6. Fluxim AG, Katharina-Sulzer-Platz 2, 8406 Winterthur, Switzerland
7. Department of Chemical Engineering and Biotechnology, University of Cambridge, Cambridge CB3 0AS, UK, Department of Physics, Cavendish Laboratory, University of Cambridge, Cambridge CB3 0HE, UK
8. School of Engineering, London South Bank University, London SE1 0AA, UK, Department of Chemistry, University College London, 20 Gordon Street, London WC1H 0AJ, UK
9. Department of Electronic & Electrical Engineering, University College London, London WC1E 7JE, UK
10. The Surface Analysis Laboratory, Faculty of Engineering and Physical Sciences, University of Surrey, Guildford, Surrey GU2 7XH, UK
11. National Physical Laboratory, NiCE-MSI, Teddington TW11 0LW, UK, Dyson School of Design Engineering, Imperial College London, London SW7 2BX, UK

The role of thiocyanates in minimising organohalide diffusion into PEDOT:PSS whilst accelerating device degradation is identified and a route towards improving both device efficiency and stability is demonstrated.

• Research Organization: National Renewable Energy Laboratory (NREL), Golden, CO (United States)
• Sponsoring Organization: Engineering and Physical Sciences Research Council (EPSRC); National Natural Science Foundation of China (NSFC); Royal Society; Royal Society University Research Fellowship (URF); Royal Society of Chemistry (RSC); USDOE; USDOE Office of Energy Efficiency and Renewable Energy (EERE), Renewable Power Office. Solar Energy Technologies Office
• Grant/Contract Number: AC36-08GO28308
• OSTI ID: 2478946
• Report Number(s): NREL/JA--5K00-89934; 10.1039.D4EE03001J
• Journal Information: Energy & Environmental Science, Journal Name: Energy & Environmental Science; ISSN 1754-5692; ISSN EESNBY
• Publisher: Royal Society of Chemistry (RSC)Copyright Statement
• Country of Publication: United Kingdom
• Language: English