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Facile deposition of porous fluorine doped tin oxide by Dr. blade method for capacitive applications

Asadzadeh, M ; Sharif University of Technology | 2021

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  1. Type of Document: Article
  2. DOI: 10.1016/j.ceramint.2020.10.131
  3. Publisher: Elsevier Ltd , 2021
  4. Abstract:
  5. Three-dimensional macroporous fluorine-doped tin oxide (p-FTO) films were successfully deposited using commercial ink of FTO powder and SnCl2 salt via Dr. Blade method. Various features of p-FTO thin films were studied as a function of the ink composition and sintering temperature. The morphological studies corroborated formation of porous, uniform, and crack-free FTO films after annealing at 300 °C for 10 min in air. X-ray diffraction pattern demonstrated development of highly crystalline FTO films. The lowest sheet resistance of 47 Ω/□ was obtained for the p-FTO film with a thickness of 21 μm. The capacitance of thin p-FTO films was investigated using a three-electrode system and the results illustrated that the p-FTO films had an ideal electric double-layer capacitive behavior over a wide range of scan rate potential. Electro-deposition of manganese oxide on porous FTO film surface enhanced the real capacitance from 5 to 36 mF/cm2. © 2020 Elsevier Ltd and Techna Group S.r.l
  6. Keywords:
  7. Capacitance ; Chlorine compounds ; Deposition ; Manganese oxide ; Nanocomposites ; Sintering ; Thin films ; Tin oxides ; Capacitive behavior ; Electric double layer ; Fluorine doped tin oxide ; Ink composition ; Morphological study ; Real capacitance ; Sintering temperatures ; Three electrode-system ; Oxide films
  8. Source: Ceramics International ; Volume 47, Issue 4 , 2021 , Pages 5487-5494 ; 02728842 (ISSN)
  9. URL: https://www.sciencedirect.com/science/article/pii/S0272884220331746