Duple charge separation and plasmonically enriched DSSC and piezo-photocatalytic efficacy of Au anchored perovskite Gd3+:BiFeO3 nanospheres

被引：20

作者：

Batoo K.M. ^{[1
]}

Ijaz M.F. ^{[2
]}

Imran A. ^{[1
]}

Pandiaraj S. ^{[3
]}

机构：

[1] King Abdullah Institute for Nanotechnology, King Saud University, P.O. Box-2455, Riyadh

[2] Mechanical Engineering Department, College of Engineering, King Saud University, PO Box 800, Riyadh

[3] Department of Self-Development Skills, King Saud University, Riyadh

来源：

Chemosphere | 2024年 / 346卷

关键词：

BiFeO[!sub]3[!/sub; Doping; DSSC; Perovskite; Piezocatalyis;

D O I：

10.1016/j.chemosphere.2023.140410

中图分类号：

学科分类号：

摘要：

Enhancing the solar-physical conversion efficacy ability of the nanomaterials is an essential for real-time implementation. We report the enhanced solar-physical efficiency of the BiFeO3 nanospheres via Gd3+ doping and Au nanoparticles decoration. Initially, we have obtained the Bi1-xGdxFeO3 nanospheres were attained via a simple solvothermal technique and then citrate reduction of Au was conducted. Obtained perovskite BiFeO systems were studied for the Gd3+ doping, crystalline phase and elemental purity using the XRD and XPS techniques. Transmission electron microscope had revealed the ∼400 nm sized BiFeO3 nanospheres. Optical absorption spectrum revealed the enhanced visible photon absorption occurring in BiFeO3 for both Gd3+ doping and Au decoration. The bandgap values of pristine, 1%, 3% and 5% Gd3+ doped in BiFeO3 are 2.2 eV, 2.19 eV, 2.17 eV and 2.12 eV, respectively. Conducted photoluminescence revealed the dual electron trapping occurring in BiFeO3 via Gd3+ ions and Au nanoparticles. LED light assisted 72% of piezo-photocatalytic degradation efficiency of Tetracycline is achieved with Bi0 95Fe0 05O3/Au, whereas the photo catalytic is only 65% and piezo catalytic efficiency is 58%. In recyclable studies the Bi0.95Gd0.05FeO3/Au had shown the consistent piezo-photocatalytic efficiency for 3 reaction cycles. Further, fabricated DSSC studies revealed that near 30 % enhanced solar photovoltaic efficiency for Bi0 95Fe0 05O3/Au (η = 6.5%) solar cells on par to the pristine BiFeO3 (η = 5.02%). © 2023 Elsevier Ltd

引用

共 53 条

[1]

Ahamad, Et al., Enhanced photovoltaic performance of dye-sensitized solar cells based Ag2O doped BiFeO3 hetrostructures, Sol. Energy, 220, pp. 758-765, (2021)

[2]

Amdouni W., Et al., BiFeO3 nanoparticles: the “holy-grail” of piezo-photo-catalysts?., Adv. Mater., (2023)

[3]

Anupam A., Et al., Advancements, frontiers and analysis of metal oxide semiconductor, dye, electrolyte and counter electrode of dye sensitized solar cell., Sol. Energy, 233, pp. 378-407, (2022)

[4]

Banumathi S., Et al., Rapid sun-light driven photocatalytic functions of 3D rGO/ZnO/Ag heterostructures via improved charge transfer kinetics., J. Mater. Res. Technol., 10, pp. 1301-1309, (2021)

[5]

Caglar B., Et al., Application of BiFeO3 and Au/BiFeO3 decorated kaolinite nanocomposites as efficient photocatalyst for degradation of dye and electrocatalyst for oxygen reduction reaction, J. Photochem. Photobiol. Chem., 418, (2021)

[6]

Chidambaram S., Et al., ZnO/Ag heterostructures embedded in Fe3O4 nanoparticles for magnetically recoverable photocatalysis, J. Alloys Compd., 665, pp. 404-410, (2016)

[7]

Collin G., Et al., Sonophotocatalysis in advanced oxidation process: a short review, Ultrason. Sonochem., 16, 5, pp. 583-589, (2009)

[8]

Gulati S., Et al., Bismuth ferrite (BiFeO 3) perovskite-based advanced nanomaterials with state-of-the-art photocatalytic performance in water clean-up, Environ. Sci. J. Integr. Environ. Res.: Water Research & Technology, 8, 8, pp. 1590-1618, (2022)

[9]

Hyun S., Et al., Enhancement of efficiency of a TiO2-BiFeO3 dye-synthesized solar cell through magnetization, Materials, 15, 18, (2022)

[10]

Irfan S., Et al., Enhanced photocatalytic activity of La3+ and Se4+ co-doped bismuth ferrite nanostructures, J. Mater. Chem. A, 5, 22, pp. 11143-11151, (2017)

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