Scalable screen-printing manufacturing process for graphene oxide platinum free alternative counter electrodes in efficient dye sensitized solar cells

Journal article


Kumar, DK, Swami, SK, Dutta, V, Chen, B, Bennett, N and Upadhyaya, HM (2019). Scalable screen-printing manufacturing process for graphene oxide platinum free alternative counter electrodes in efficient dye sensitized solar cells. FlatChem. 15, pp. 100105-100105. https://doi.org/10.1016/j.flatc.2019.100105
AuthorsKumar, DK, Swami, SK, Dutta, V, Chen, B, Bennett, N and Upadhyaya, HM
Abstract

© 2019 Elsevier B.V. The graphene oxide paste (GO) was prepared by mixing α-terpineol and ethyl cellulose, and GO films was prepared by screen printing on fluorine doped Tin oxide (FTO) glass substrates to validate as an alternative counter electrode material to platinum in dye sensitized solar cells (DSSC). The graphene oxide films were characterised by X-Ray Diffraction, Scanning Electron Microscopy, Raman spectroscopy and the catalytic properties of films were being investigated by cyclic voltammetry and electrochemical Impedance measurements. The DSSC fabricated by coupling TiO 2 films soaked in N719 dye with GO as counter electrode exhibited photoconversion efficiency of 5.58% under standard one Sun illumination, whereas platinum based device showed photoconversion efficiency of 7.57%. The present study suggests that graphene oxide counter electrodes can be considered as a promising alternative to platinum, with further optimisation, which clearly has advantages in terms of its abundance and low cost processing towards industrial prospects.

Year2019
JournalFlatChem
Journal citation15, pp. 100105-100105
PublisherElsevier BV
ISSN2452-2627
Digital Object Identifier (DOI)https://doi.org/10.1016/j.flatc.2019.100105
Publication dates
Print01 May 2019
Online10 Apr 2019
Publication process dates
Accepted09 Apr 2019
Deposited21 May 2020
Accepted author manuscript
License
File Access Level
Open
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Revised manuscript GO.docx
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