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Artemisinin passivated chalcogenide films prepare flexible chalcogenide devices with record high efficiency 21.10% / CAS certified 21.05%
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The photovoltaic conversion efficiency of flexible chalcogenide solar cell devices has recently exceeded 20%, but there is still much room for improvement in open-circuit voltage and fill factor as well as durability, which are determined by carrier non-radiative compounding. Based on this, on December 14, 2020, Xin Li's team at Xiamen University and his collaborating team, Tsutomu Miyasaka's team at Yokohama University, Japan, published in JMCA the research results on the preparation of artemisinin passivated mixed cation chalcogenide thin films for the preparation of durable flexible chalcogenide solar cells with efficiency over 21%. The open-circuit voltage and fill factor of the flexible chalcogenide solar cell were improved by using artemisinin passivated chalcogenide thin film. After optimization, the addition of 0.22 mol% of artemisinin can significantly reduce the film defects and non-radiative compound. Finally, 21.1% photoelectric conversion efficiency was obtained with an open voltage up to 1.126V.
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The following text is quoted from: Fujian Provincial Development and Reform Commission's First Quarter Research Service in Xiamen City - Fujian Provincial Development and Reform Commission
On January 19, 2024, Huang Wenhui, Deputy Secretary of the Xiamen Municipal Party Committee, Secretary of the Municipal Government Party Group, and Mayor, visited the Dazheng Micro Nano 100 MW Flexible (Lightweight) Component Mass Production Line for on-site research and guidance, to gain a detailed understanding of the company's production and operation, product research and development, capital increase and expansion, and other situations.
From December 20th to 22nd, 2023, as a leading enterprise in the localization of flexible perovskite batteries and precision coating equipment, Dazhong Micro Nano participated in the 5th Global Perovskite and Stacked Battery (Suzhou) Industrialization Forum and the establishment conference of the China International Association for the Promotion of Science and Technology Perovskite Industry Branch.
DaZheng (Jiangsu) Micro Nano Technology Co., Ltd.
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