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Nanostructured Molybdenum Trioxide Layer on the Silver Anode of a Top-Incident Organic Photovoltaic Device.
Chen, Chia-Hsun; Lee, Jiun Haw; Lin, Chien-Liang; Chiu, Tien-Lung.
Afiliación
  • Chen CH; Graduate Institute of Photonics and Optoelectronics and Department of Electrical Engineering, National Taiwan University, Taipei 10617, Taiwan.
  • Lee JH; Graduate Institute of Photonics and Optoelectronics and Department of Electrical Engineering, National Taiwan University, Taipei 10617, Taiwan.
  • Lin CL; Department of Electrical Engineering, Yuan Ze University, Taoyuan 32003, Taiwan.
  • Chiu TL; Department of Electrical Engineering, Yuan Ze University, Taoyuan 32003, Taiwan.
J Nanosci Nanotechnol ; 21(3): 1659-1666, 2021 Mar 01.
Article en En | MEDLINE | ID: mdl-33404430
A nanostructured molybdenum trioxide (MoO3) layer was successfully fabricated utilizing various deposition rates, employed as an anodic buffer layer to separate the active layer from a silver anode and modifying the anodic surface to facilitate hole transportation for top-incident organic photovoltaic (TIOPV) devices. The deposition rate and thickness of the MoO3 layer were crucial parameters for determining the surface morphology and work function, and the internal optical field distribution, respectively. These factors affected the performance of the devices in terms of their open-circuit voltage (VOC), short-circuit current density (JSC), and fill factor (FF). The baseline TIOPV device without a buffer layer had a power conversion efficiency (PCE) of only 0.47%. By contrast, with a smooth 20-nm MoO3 buffer layer fabricated using a deposition rate of 1 Å/s (which prevented problems caused by the Ag anode), another fabricated TIOPV device had substantially higher VOC, JSC and FF values, which improved the PCE by a factor of 6.2 to 2.92%. When an additional 5-nm nanostructured MoO3 layer was deposited at a deposition rate of 0.5 Å/s, the most efficient TIOPV device had an even greater PCE, a factor of 7.5 times higher at 3.53%.

Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Idioma: En Revista: J Nanosci Nanotechnol Año: 2021 Tipo del documento: Article País de afiliación: Taiwán Pais de publicación: Estados Unidos

Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Idioma: En Revista: J Nanosci Nanotechnol Año: 2021 Tipo del documento: Article País de afiliación: Taiwán Pais de publicación: Estados Unidos