Visible Light- Driven Cesium-Titanium Iodide (Cs2TiI6) Double Perovskite Photocatalytic dye Degradation
| Authors | Sujubili Narzary1 , Sanat Das1 , Kunal Chakraborty1 , Mahua Gupta Choudhury2, Samrat Paul1 |
| Affiliations |
1Advanced Materials Research and Energy Application Laboratory (AMREAL), Department of Energy Engineering, North-Eastern Hill University, Shillong-793022, India 2Department of Animal Health and Fisheries Sciences, Indian Council for Agricultural Research, North Eastern Hill Region Research Centre (NEHRC), Umiam, Shillong-793103, India |
| Е-mail | paulsamrat17@gmail.com |
| Issue | Volume 16, Year 2024, Number 3 |
| Dates | Received 15 April 2024; revised manuscript received 20 June 2024; published online 28 June 2024 |
| Citation | Sujubili Narzary, Sanat Das, Kunal Chakraborty, et al., J. Nano- Electron. Phys. 16 No 3, 03018 (2024) |
| DOI | https://doi.org/10.21272/jnep.16(3).03018 |
| PACS Number(s) | 77.84.Bw, 82.45.Jn |
| Keywords | Cesium titanium iodide, Lead-free (3) , Photocatalysis (4) , Dye degradation, Eosin. |
| Annotation |
Developing novel photocatalytic materials for removing organic contaminants has been a research focus. The current study reports the synthesis of third-generation photocatalysts perovskites and their photocatalytic efficacy. The lead-free cesium-based titanium halide Cs2TiI6 double perovskite was successfully synthesized via the solution processing method and characterized by various spectroscopic and morphological characterization techniques such as X-ray diffraction (XRD), UV-visible spectroscopy, Zeta potential, and Transmission Electron Microscope (TEM). The novel aspect of this study is to investigate the photocatalytic efficacy of the Cs2TiI6 double perovskite.Various morphology and spectroscopy characterization insights about synthesized photocatalysts were explored. Eosin Y (EY) and Eosin B (EB) were chosen as the model compounds for degradation in this work due to their wide applications in industry. The photocatalytic degradation efficiency of Eosin Y and Eosin B dye by Cs2TiI6 perovskite photocatalysts after exposure of 240 minutes to visible light was 85.08% and 13.66% respectively. The rate constant of degradation of Eosin Y is approximately 14.66 times larger than that of Eosin B. |
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List of References |
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