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A Comparative Study of SiO2:TiO2 Composite and SiO2 Film by Sol-Gel Method for Solar Cell Application

  • Kausturi ChatterjeeEmail author
  • Soma Ray
  • Baishakhi Pal
  • Kalyan Adhikary
  • Utpal Gangopadhyay
  • Ratan Mandal
Conference paper
Part of the Springer Proceedings in Physics book series (SPPHY, volume 215)

Abstract

Thin films of SiO2 and SiO2–TiO2 composite sol were spin coated on textured monocrystalline silicon wafer and clean glass using Tetraethyl orthosilicate (TEOS) and Titanium tetraisopropoxide (TTIP) as main precursors. For further improvement of the films quality, DMF (dimethylformamide) was added into the solutions to reduce the cracks of the film. The average reflectance of the composite and oxide films was 8.8 and 6.81%, whereas textured monocrystalline silicon (without any coating) wafer having a reflectance of 13.20%. Both the films were annealed at different temperatures ranging from 400 to 900 °C with an interval of 100 °C. After annealing minority carrier lifetime significantly changes from 3.26 to 40.5 µs at 800 °C for oxide film and for composite it was 3.51–45.29 µs at 800 °C. These results show that both the films can be used as an ARC (anti-reflection coating) as well as a passivation layer for solar cell application.

Notes

Acknowledgements

The authors most sincerely acknowledge Ministry of New and Renewable Energy (MNRE), Govt. of India, for financing support for carrying out solar cell related research activity and MSIT, TIG, IIEST for infrastructural support. The authors would also like to thank Mr. Sukhendu Jana and Mr. Sayan Das Assistant professors of MSIT, TIG for their support during characterization of the samples.

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Copyright information

© Springer Nature Switzerland AG 2019

Authors and Affiliations

  • Kausturi Chatterjee
    • 1
    Email author
  • Soma Ray
    • 1
    • 2
  • Baishakhi Pal
    • 1
    • 3
  • Kalyan Adhikary
    • 1
  • Utpal Gangopadhyay
    • 1
  • Ratan Mandal
    • 4
  1. 1.Centre of Advanced Research in Renewable Energy and Sensor TechnologyKolkataIndia
  2. 2.Centre of Excellence for Green Energy and Sensor SystemHowrahIndia
  3. 3.Department of PhysicsJadavpur UniversityKolkataIndia
  4. 4.School of Energy StudiesJadavpur UniversityKolkataIndia

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