Method for preparing bendable nanopaper-based flexible solar cells by 3D aerogel jet printing

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United States of America Patent

PATENT NO 11849626
SERIAL NO

17257894

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Abstract

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The present invention discloses a method for preparing bendable nanopaper-based flexible solar cells by 3D aerogel jet printing. In this method, firstly all-cellulose paper is soaked in ionic liquid, and quickly partially dissolved and regenerated under the condition of hot pressing to produce nanopaper with high transmittance and high haze; and then a 3D aerogel jet printer is used to precisely print the respective layers of a solar cell on the surface of the nanopaper as a flexible substrate material, wherein the solar cell comprises an anode PFN/Ag NWs, an active layer CuPc/C60/PTCBI/BCP and a cathode MoO3/Ag/MoO3, and the thickness of each layer is precisely controlled by setting the parameters of the 3D printer. The electrode grid line on the surface of the prepared paper flexible solar cell has a width less than 10 μm and a thickness less than 20 nm. The prepared flexible organic thin film solar cell has a photovoltaic conversion efficiency 50% to 70% higher than that of the traditional flexible solar cell.

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Patent Owner(s)

  • SOUTH CHINA UNIVERSITY OF TECHNOLOGY

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Li, Jun Guangzhou, CN 1363 17735
Lin, Meiyan Guangzhou, CN 1 0
Liu, Detao Guangzhou, CN 1 0
Ouyang, Hao Guangzhou, CN 9 7
Qi, Haisong Guangzhou, CN 2 8
Su, Lingfeng Guangzhou, CN 1 0

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