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Correction: Sun et al. New Non-Fullerene Acceptor with Extended Conjugation of Cyclopenta [2,1-b:3,4-b'] Dithiophene for Organic Solar Cells. <i>Molecules</i> 2022, <i>27</i>, 7615.

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Photopically Transparent Organic Solar Cells with Tungsten Oxide-Based Multilayer Electrodes.

Juhui Oh1,2, Ju-Hyeon Kim1,2, Yong Ryun Kim3,4

  • 1School of Materials Science and Engineering, Gwangju Institute of Science and Technology (GIST), Gwangju 61005, Republic of Korea.

ACS Applied Materials & Interfaces
|August 31, 2023
PubMed
Summary

Researchers developed a new tungsten oxide (WO3)-based electrode for transparent organic solar cells (T-OSCs). This breakthrough overcomes the trade-off between transparency and efficiency, enabling high-performance smart solar windows.

Keywords:
molybdenum oxideoptical managementoxide/metal/oxide multilayer electrodestransparent organic solar cellstungsten oxide

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Area of Science:

  • Materials Science
  • Renewable Energy
  • Optoelectronics

Background:

  • Transparent organic solar cells (T-OSCs) are crucial for building-integrated photovoltaics, offering smart window functionalities.
  • A key challenge is balancing average photopic transmittance (APT) and power conversion efficiency (PCE) due to electrode limitations.

Purpose of the Study:

  • To develop a highly conductive and transparent top electrode for T-OSCs.
  • To overcome the inherent trade-off between APT and PCE in T-OSCs.
  • To enhance the performance and stability of T-OSCs for practical applications.

Main Methods:

  • Fabrication of a novel tungsten oxide (WO3)-based multilayer electrode.
  • Optical simulations using the transfer matrix method to optimize electrode thickness.
  • Performance characterization of T-OSCs incorporating the new electrode.

Main Results:

  • Achieved a record-performing T-OSC with 7.0% PCE and 46.7% APT.
  • Demonstrated a high light utilization efficiency of 3.27%.
  • Exhibited superior thermal stability, retaining 98% of initial PCE after 231 hours at 85 °C.

Conclusions:

  • The WO3-based multilayer electrode effectively enhances both transparency and efficiency in T-OSCs.
  • This advancement offers a promising solution for high-performance smart solar windows.
  • The findings pave the way for next-generation T-OSCs with improved efficiency and durability.