Nanoscale Electronic and Surface Property Engineering of Pt Nanomaterials by Rare-Earth Praseodymium for Energy Application
| Authors | Prantica Saha1, Anushna Dutta1, Sunanda Saha2, Susmita Singh1 |
| Affiliations |
1Department of Chemistry, Amity Institute of Applied Sciences, Amity University Kolkata, Major Arterial Road (South-East), A. A. II, Rajarhat, 700135 Kolkata, West Bengal, India 2Department of Biotechnology, Amity School of Biotechnology, Amity University Kolkata, Major Arterial Road (South-East), A.A. II, Rajarhat, 700135 Kolkata, West Bengal, India |
| Е-mail | susmitas2811@gmail.com |
| Issue | Volume 18, Year 2026, Number 5 |
| Dates | Received 15 June 2026; revised manuscript received 21 October 2026; published online 28 October 2026 |
| Citation | Prantica Saha, Anushna Dutta, Sunanda Saha, et al., J. Nano- Electron. Phys. 18 No 5, 05032 (2026) |
| DOI | https://doi.org/10.21272/jnep.18(5).05032 |
| PACS Number(s) | 61.05.C –, 73.63. – b, 82.45.Jn |
| Keywords | Nanomaterial (4) , Synergistic effect, Structure-function correlation, Energy electrocatalysis. |
| Annotation |
Rare-Earth (RE) elements offer unique opportunities for nanoscale property modulation in electrocatalysis due to their distinctive electronic structures and strong oxophilic nature. This work investigates nanoscale electronic and surface property engineering of Pt nanomaterials through RE praseodymium incorporation for energy electrocatalytic applications, focusing on the ethanol oxidation reaction (EOR). Praseodymium incorporation alters the electronic structure, surface chemistry, and metal-support interactions of Pt nanocatalysts, resulting in improved CO tolerance and enhanced reaction kinetics. The effects of composition, nanostructure, morphology, and interfacial bonding on electrocatalytic performance were systematically examined. Structural and surface characteristics were analyzed using X-ray diffraction (XRD) and Fourier transform infrared (FTIR) spectroscopy. Electrochemical behavior and charge-transfer kinetics were evaluated by cyclic voltammetry (CV), linear sweep voltammetry (LSV), electrochemical impedance spectroscopy (EIS), and chronoamperometry (CA). The results demonstrate that Pt-Pr nanocomposites exhibit enhanced charge-transfer efficiency and stability, highlighting rare-earth-driven nanoscale property engineering as an effective strategy for advanced energy conversion systems. |
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