Time-resolved XAS studies reveal sequential oxidative–reductive formation of Na-doped iridium oxide films with enhanced bio-stimulating performance

Tso, Kuang Chih; Hsieh, Yu-Fang; Lee, Jyh‐Fu; Pao, Chih‐Wen; Chen, Po Chun; Ohta, Jun; Wu, Pu‐Wei

doi:10.1039/d2tc02996k

Cited by 2 publications

(1 citation statement)

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“…Balakarthikeyan et al [30] developed Co3O4 for photo-detector application by tuning the coating temperature through the spray pyrolysis method. Tso et al [31] fabricated Na-doped IrO2 thin film, by a sequential oxidativereductive technique, with an improved bio-sensing and bio-stimulating performance. C.-Guzmán et al [32] utilized a photo-deposition technique to prepare CuOloaded ZnO.…”

Section: Introductionmentioning

confidence: 99%

Characterization of Different Metal Oxides Thin Films Deposited by Spin Coating Technique

Sayed

Shaban

Said

2023

Labyrinth: Fayoum Journal of Science and Interdisciplinary Stud

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Designing and building up nanostructures that exhibit outstanding optical, electrical, mechanical, and magnetic properties, compared to bulk materials is attracting increasing attention worldwide. This work is an attempt to fabricate and characterize different metal oxides (MO) in the form of thin films that are applicable in diverse fields of industry and technology. Cobalt oxide (Co3O4), copper oxide (CuO), iridium oxide (IrO2), zinc oxide (ZnO), and cadmium oxide (CdO) thin films were prepared by the sol-gel method utilizing the spin-coating technique. The crystal structure of the films was analyzed by XRD. The films' morphology was investigated by AFM/FE-SEM. The optical properties of the films were studied in detail. XRD results indicated the high purity and good crystallinity of the prepared films. XRD and FE-SEM/AFM revealed the nanoscale and grain size of the films as well as their surface morphology and roughness. UV-vis-NIR spectroscopy was utilized to evaluate the optical properties and band structure of all films. ZnO and CdO films showed higher transmittance (79-89%) compared to about 62% for the other films. The optical band gap of the films was found to be in the range of 1.7-3.2 eV. The refractive index of the films was evaluated. The sol-gel spin-coated films are the best candidates for modern applications, including hydrogen production by water splitting, gas sensing, and optoelectronic applications.

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Section: Introductionmentioning

confidence: 99%

Characterization of Different Metal Oxides Thin Films Deposited by Spin Coating Technique

Sayed

Shaban

Said

2023

Labyrinth: Fayoum Journal of Science and Interdisciplinary Stud

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Reuse of sodium–doped iridium oxide nanoparticles as a bio–stimulating electrode by a chemical and electrochemical recovery process

Tso,

Chen,

Chen

et al. 2024

Ceramics International

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Time-resolved XAS studies reveal sequential oxidative–reductive formation of Na-doped iridium oxide films with enhanced bio-stimulating performance

Abstract: We synthesize a Na-doped iridium oxide thin film via a sequential oxidative-reductive reaction in which the Ir3+ precursor undergoes the ligand exchange and oxidation process by sodium hypochlorite and oxygen...

Cited by 2 publications

References 55 publications

Characterization of Different Metal Oxides Thin Films Deposited by Spin Coating Technique

Characterization of Different Metal Oxides Thin Films Deposited by Spin Coating Technique

Reuse of sodium–doped iridium oxide nanoparticles as a bio–stimulating electrode by a chemical and electrochemical recovery process

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