A highly stable room temperature titania nanostructure-based thin film transistor (TFT) alcohol sensor

Singh, Aditya Kumar; Bhowmik, Basanta

doi:10.1039/d2sd00175f

Cited by 4 publications

(3 citation statements)

References 48 publications

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“…Hashemi and his team [105] accomplished the creation of 3D heterogeneous structures comprising ZnO nanowires specifically grown on TiO 2 /ZnO composite nanofibers through a combined approach employing electrospinning and the hydrothermal technique. Additionally, Aditya and Basanta [106] adopted an alternate solvent method, distinct from the hydrothermal approach, employing a precursor mixture of TiCl 4 and distilled water to fabricate TiO 2 thin films.…”

Section: Hydrothermal Synthetic Approachmentioning

confidence: 99%

Photocatalytic TiO2-Based Nanostructures as a Promising Material for Diverse Environmental Applications: A Review

Gatou,

Syrrakou,

Lagopati

et al. 2024

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Contemporary technological and industrial advancements have led to increased reliance on chemicals for product innovation, leading to heightened contamination of water sources by traditional pollutants (organic dyes, heavy metals) and disease-causing microorganisms. Wastewater treatment processes now reveal “emerging pollutants”, including pharmaceuticals, endocrine disruptors, and agricultural chemicals. While some are benign, certain emerging pollutants can harm diverse organisms. Researchers seek cost-effective water purification methods that completely degrade pollutants without generating harmful by-products. Semiconductor-based photocatalytic degradation, particularly using titanium dioxide (TiO2), is popular for addressing water pollution. This study focuses on recent applications of TiO2 nanostructures in photocatalysis for eliminating various water pollutants. Structural modifications, like doping and nanocomposite formation, enhance photocatalyst performance. The study emphasizes photocatalytic elimination mechanisms and comprehensively discusses factors impacting both the mechanism and performance of nano-TiO2-based photocatalysts. Characteristics of TiO2, such as crystal structure and energy band-gap, along with its photocatalytic activity mechanism, are presented. The review covers the advantages and limitations of different TiO2 nanostructure production approaches and addresses potential toxicity to human health and the environment. In summary, this review provides a holistic perspective on applying nano-TiO2 materials to mitigate water pollution.

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Section: Hydrothermal Synthetic Approachmentioning

confidence: 99%

Photocatalytic TiO2-Based Nanostructures as a Promising Material for Diverse Environmental Applications: A Review

Gatou,

Syrrakou,

Lagopati

et al. 2024

Reactions

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show abstract

“…These limitations necessitate the development of advanced sensor technologies to overcome these obstacles and enhance the accuracy and sensitivity of water-level detection systems. To tackle this issue, researchers have presented diverse methodologies in the literature to enhance sensor performance. − …”

Section: Introductionmentioning

confidence: 99%

“…To tackle this issue, researchers have presented diverse methodologies in the literature to enhance sensor performance. 19 − 21 …”

Section: Introductionmentioning

confidence: 99%

Integrated Water-Level Sensor Using Thin-Film Transistor Technology

Moon,

Han,

Hwang

et al. 2023

ACS Omega

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A low-cost water-level sensor was developed utilizing a capacitive sensor design with only one thin-film transistor (TFT). The integration of the a-IGZO TFT process facilitated the complete integration of the water-level sensor on a substrate, including essential components, such as the transistor, capacitor, wires, and sensing electrode. This integration eliminates the need for a separate mounting process, resulting in a robust sensor assembly. To comprehensively assess the performance of the developed water-level sensor, rigorous evaluations were conducted using both MOSFET and TFT integration. In the case of the water-level sensor featuring a-IGZO TFT integration, a voltage output of 4.2 V was measured when the tank was empty, while a voltage output of 0.9 V was measured when the tank was full. Notably, the integrated sensor system demonstrated a higher output voltage compared with the MOSFET sensor, primarily due to the significantly reduced parasitic capacitance of the TFT. The use of a-IGZO TFT in the integrated sensor system contributes to enhanced sensitivity and accuracy. The lower parasitic capacitance inherent in TFT technology allows for improved voltage measurement precision, resulting in more reliable and precise water-level sensing capability. The development of this integrated water-level sensor holds immense potential for a wide range of applications that require a combination of cost-effectiveness, accurate monitoring, and flexibility in form factor. With its affordability, the sensor is accessible for various industries and applications.

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Metallopolymer-Based Sensor for Hazardous Gases

Budhiraja,

Tomar,

Singh

2023

Advanced Functional Materials for Optical and Hazardous Sensing

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A highly stable room temperature titania nanostructure-based thin film transistor (TFT) alcohol sensor

Abstract: Present paper concern room temperature field induced alcohol sensitivity of nanostructured TiO2 thin film in field effect transistor (TFT) configurations. TiO2 thin film were synthesized via low cost solution process...

Cited by 4 publications

References 48 publications

Photocatalytic TiO2-Based Nanostructures as a Promising Material for Diverse Environmental Applications: A Review

Photocatalytic TiO2-Based Nanostructures as a Promising Material for Diverse Environmental Applications: A Review

Integrated Water-Level Sensor Using Thin-Film Transistor Technology

Metallopolymer-Based Sensor for Hazardous Gases

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