Alkylammonium bis(trifluoromethylsulfonyl)imide as a dopant in the hole-transporting layer for efficient and stable perovskite solar cells

• DOI: 10.1039/d2ee04045j
• Publication Date: 2023-03-29T14:22:24Z
• Authors: Youngwoong Kim; Geunjin Kim; Eun Young Park; Chan Su Moon; Seung Joo Lee; Jason J. Yoo; Seongsik Nam; Jino Im; Seong Sik Shin; Nam Joong Jeon; Jangwon Seo
• Keywords: Imide

We develop a new series of ionic liquids with dual functionality as dopant for hole transport materials and passivator perovskite surfaces, which enables the production large-area solar modules efficiencies approaching 20%.