Hybrid perovskite quantum dot-MWCNTs gas sensor for selective ethanol sensing

Dwivedi, Priyanka; Li, Jinxin; Divyashree, P; Crawford, Kaitlyn E.; Thomas, Jayan

doi:10.1557/s43579-023-00416-4

Cited by 5 publications

(2 citation statements)

References 29 publications

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“…As a new class of semiconductor nanomaterials, quantum dots have been favored as sensor materials due to their high fluorescence quantum yield, favorable photostability, and high fluorescence intensity. 9–12 In recent years, the potential of semiconductor quantum dots for temperature-detection applications has been gradually confirmed. Previous studies have demonstrated that the spectral properties of quantum dots vary with temperature, thus enabling the possibility of thermal testing of quantum dots.…”

Section: Introductionmentioning

confidence: 99%

Shell thickness-induced thermal dependence: highly sensitive core–shell CdSe/ZnS/POSS-based temperature probes

Sun,

Yan,

Pan

et al. 2024

Phys. Chem. Chem. Phys.

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Section: Introductionmentioning

confidence: 99%

Shell thickness-induced thermal dependence: highly sensitive core–shell CdSe/ZnS/POSS-based temperature probes

Sun,

Yan,

Pan

et al. 2024

Phys. Chem. Chem. Phys.

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“…As an extension of the human olfactory system, the gas sensor has emerged as a fundamental and indispensable component of daily existence. − In alignment with the trajectory of scientific and technological advancement, our endeavor has focused on exploring and developing gas sensors characterized by low cost, minimal energy consumption, and exceptional performance. Modifying and developing gas-sensitive materials significantly influence performance metrics, such as sensitivity, selectivity, response value, and other crucial indicators.…”

Section: Introductionmentioning

confidence: 99%

Nanofiber-Structured SnO₂/Co₃O₄ Modified Ta₂O₅ Heterojunction for Room-Temperature Ethanol Sensing

Hu,

Shao,

Chen

et al. 2024

ACS Appl. Nano Mater.

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Ternary metal oxide SnO 2 /Co 3 O 4 has attracted much attention for its excellent sensitivity and structural stability. We prepared hollow, rough, and porous SnO 2 /Co 3 O 4 nanofibers using the electrostatic spinning technique in this study. These nanofibers were subsequently compounded with Ta 2 O 5 via the solvothermal method, resulting in the successful synthesis of nanofiber-structured Ta 2 O 5 @SnO 2 /Co 3 O 4 heterojunction materials with outstanding room-temperature ethanol sensing performance. The nanofiber structure of SnO 2 /Co 3 O 4 significantly enhanced the interface for active oxygen adsorption on the Ta 2 O 5 surface, thereby increasing the number of reactive sites for ethanol gas sensitivity. The Ta 2 O 5 @SnO 2 /Co 3 O 4 heterojunction can detect ethanol concentrations as low as 1 ppm at room temperature, with a response value of 6.53 for 100 ppm ethanol. The theoretical detection limit of ethanol for this material can be as low as 522 ppb, as determined by curve fitting. Nanofiber-structured Ta 2 O 5 @SnO 2 /Co 3 O 4 heterojunction materials exhibited comprehensive and excellent room-temperature gas-sensitive properties, suggesting that combining the morphology regulation and heterostructure can provide innovative strategies for room-temperature sensing.

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Recent Advancements in Nanomaterials for Near‐Infrared to Long‐Wave Infrared Photodetectors

Sharma,

Henderson,

Sankar

et al. 2024

Advanced Optical Materials

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Nanomaterials have superior electronic, optical, and mechanical properties making them highly suitable for a range of applications in optoelectronics, biomedical fields, and photonics. Nanomaterials‐based IR detectors are rapidly growing due to enhanced sensitivity, wide spectral range, and device miniaturization compared to commercial photodetectors. This review paper focuses on the significant role of nanomaterials in infrared detection, an area critical for enhancing night vision and health monitoring technologies. The latest advancements in IR photodetectors that employ various nanomaterials and their hybrids are discussed. The manuscript covers the operational mechanisms, device designing, performance optimization strategies, and material challenges. This review aims to provide a comprehensive overview of the current developments in nanomaterial‐based IR photodetectors and to identify key directions for future research and technological advancements.

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Hybrid perovskite quantum dot-MWCNTs gas sensor for selective ethanol sensing

Cited by 5 publications

References 29 publications

Shell thickness-induced thermal dependence: highly sensitive core–shell CdSe/ZnS/POSS-based temperature probes

Shell thickness-induced thermal dependence: highly sensitive core–shell CdSe/ZnS/POSS-based temperature probes

Nanofiber-Structured SnO₂/Co₃O₄ Modified Ta₂O₅ Heterojunction for Room-Temperature Ethanol Sensing

Recent Advancements in Nanomaterials for Near‐Infrared to Long‐Wave Infrared Photodetectors

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Hybrid perovskite quantum dot-MWCNTs gas sensor for selective ethanol sensing

Cited by 5 publications

References 29 publications

Shell thickness-induced thermal dependence: highly sensitive core–shell CdSe/ZnS/POSS-based temperature probes

Shell thickness-induced thermal dependence: highly sensitive core–shell CdSe/ZnS/POSS-based temperature probes

Nanofiber-Structured SnO2/Co3O4 Modified Ta2O5 Heterojunction for Room-Temperature Ethanol Sensing

Recent Advancements in Nanomaterials for Near‐Infrared to Long‐Wave Infrared Photodetectors

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Nanofiber-Structured SnO₂/Co₃O₄ Modified Ta₂O₅ Heterojunction for Room-Temperature Ethanol Sensing