Highly conductive double perovskite oxides A2LuTaO6 (A= Ba, Sr, Ca) as promising photoanode material for dye sensitized solar cells

Sheikh, Md Sariful; Roy, Anurag; Bhandari, Shubhranshu; Mallick, Tapas K; Sundaram, Senthilarasu; Sinha, TP

Abstract

Poor electrical conductivity, interfacial charge carrier recombination, electrode degradation, etc., restrict practical implementation of the TiO2 based dye sensitised solar cells (DSSCs). In this respect, double perovskite oxides (DPOs) A2LuTaO6 (A = Ba, Sr, Ca) have been introduced as the promising DSSC photoanode. These solid-state synthesised DPOs exhibit a suitable wide band gap in the range of 2.94 to 4.07 eV, and 104 times higher order of electrical conductivity than TiO2. This study reveals that the crystal structure and hence the physical properties of these DPOs can also be easily modulated as required by varying its composition.

Citation

Sheikh, M. S., Roy, A., Bhandari, S., Mallick, T. K., Sundaram, S., & Sinha, T. (2020). Highly conductive double perovskite oxides A2LuTaO6 (A= Ba, Sr, Ca) as promising photoanode material for dye sensitized solar cells. Materials Letters, 276, Article 128220. https://doi.org/10.1016/j.matlet.2020.128220

• Journal Article Type: Article
• Acceptance Date: Jun 24, 2020
• Online Publication Date: Jun 27, 2020
• Publication Date: 2020-10
• Deposit Date: Mar 13, 2023
• Journal: Materials Letters
• Print ISSN: 0167-577X
• Publisher: Elsevier
• Peer Reviewed: Peer Reviewed
• Volume: 276
• Article Number: 128220
• DOI: https://doi.org/10.1016/j.matlet.2020.128220