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
| Authors | Kumar, 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. |
| Year | 2019 |
| Journal | FlatChem |
| Journal citation | 15, pp. 100105-100105 |
| Publisher | Elsevier BV |
| ISSN | 2452-2627 |
| Digital Object Identifier (DOI) | https://doi.org/10.1016/j.flatc.2019.100105 |
| Publication dates | |
| 01 May 2019 | |
| Online | 10 Apr 2019 |
| Publication process dates | |
| Accepted | 09 Apr 2019 |
| Deposited | 21 May 2020 |
| Accepted author manuscript | License File Access Level Open |
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