Research demonstrates a new polymer improves efficiency and humidity stability in quantum dot photovoltaics, suggesting enhanced performance.
Quantum Dot Photovoltaics In their Research Article (10.1002/adfm.202514808), Byung Joon Moon, Junwoo Lee, Jongmin Choi, and co-workers present a benzodifuran, TEG-substituted polymer (PBTBDF-TEG) that chelates Li+ from LiTFSI, immobilizing dopants and limiting migration. This coordination enhances charge extraction and moisture tolerance. As a hole transporting layer in quantum dot photovoltaics, LiTFSI-doped PBTBDF-TEG delivers 13.7% PCE with robust humidity stability.
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