Recent Advances of MOF-Based Nanoarchitectonics for Chemiresistive Gas Sensors

Bhaliya, Jaydip; Shah, Vraj; Patel, Gautam M.; Deshmukh, Kalim

doi:10.1007/s10904-023-02597-w

Cited by 12 publications

(1 citation statement)

References 211 publications

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“…In addition, the advantage of adsorbing or desorbing gas molecules on the inner surface of MOFs enables such materials to monitor various gases through changes in electrical resistance [23]. Therefore, many types of research have been carried out for gas sensors based on multiple MOFs [24]. As far as we know, there has yet to be a report about preparing CuO/Co 3 O 4 composites derived from bimetallic organic framework materials, especially for using H 2 S gas sensors.…”

Section: Introductionmentioning

confidence: 99%

Preparation of a high-performance H₂S gas sensor based on CuO/Co₃O₄ composite derived from bimetallic MOF

Li,

Wang,

Yao

et al. 2024

Nanotechnology

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The bimetallic metal-organic frameworks (MOFs), Cu/Co-MOF, was synthesized through a solvothermal method and calcined to obtain CuO/Co3O4 composites. By adjusting the molar ratio between Cu and Co ions, a composite material of CuO/Co3O4 (Cu: Co = 1: 1) was developed and showed excellent sensing capabilities, and the response reached as high as 196.3 for 10 ppm H2S detection. Furthermore, the optimal operating temperature as low as 40 °C was found. In comparison with the sensors prepared by pristine CuO and pristine Co3O4, the sensor based on CuO/Co3O4 composite exhibited a significant response. Additionally, the sensor showed a low detection limit of 300 ppb to H2S sensing. The gas sensing mechanism is discussed in depth from the perspective of p-p heterojunction formation between the p-type CuO and p-type Co3O4. The as-prepared CuO/Co3O4 composite-based sensor is expected to find practical application in the low-power monitoring of H2S.

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Section: Introductionmentioning

confidence: 99%

Preparation of a high-performance H₂S gas sensor based on CuO/Co₃O₄ composite derived from bimetallic MOF

Li,

Wang,

Yao

et al. 2024

Nanotechnology

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Volatolomics in Fritillarias and Their Identification by Orientation Controlled cMOF Thin Film Chemiresistors

Cao,

Li,

Huo

et al. 2024

Chin. J. Chem.

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Comprehensive SummaryAs one of the famous traditional Chinese herbal medicines, Fritillariae Cirrhosae Bulbus (FCB) is widely used in the prevention and treatment of respiratory diseases and has the best curative effect among the known fritillarias medicines. Due to the variety, complex sources, similar appearance and shape, it is difficult to distinguish FCB with high curative effect (h‐FCB) from other common fritillarias (c‐FCB) in the market. In this paper, a very simple chemiresistor is used to identify FCB from three commonly used fritillarias drugs. The sensors are fabricated by anisotropic electrically conductive metal‐organic framework (cMOF) thin film Cu3(HHTP)2 (Cu‐HHTP[001] and Cu‐HHTP[100]) as active materials owing to their ability to detect specific groups of volatile organic compounds (volatolomics) as the functional motifs of chemiresistor. As a result, the sensors show orientation‐dependence identification ability to FCB. Cu‐HHTP[001]‐ based sensor shows the highest response (344.17%) to 0.5 g h‐FCB powder volatiles among its three other c‐FCB which is much higher than Cu‐HHTP[100] (135.50%). Ultimately, Cu‐HHTP[001] can realize the identification of FCB with an accuracy of 97.2% in a simple and real‐time manner.

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Electronic Nose and Its Applications

Koralkar,

Patel

2024

Advanced Structured Materials

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Recent Advances of MOF-Based Nanoarchitectonics for Chemiresistive Gas Sensors

Cited by 12 publications

References 211 publications

Preparation of a high-performance H₂S gas sensor based on CuO/Co₃O₄ composite derived from bimetallic MOF

Preparation of a high-performance H₂S gas sensor based on CuO/Co₃O₄ composite derived from bimetallic MOF

Volatolomics in Fritillarias and Their Identification by Orientation Controlled cMOF Thin Film Chemiresistors

Electronic Nose and Its Applications

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Recent Advances of MOF-Based Nanoarchitectonics for Chemiresistive Gas Sensors

Cited by 12 publications

References 211 publications

Preparation of a high-performance H2S gas sensor based on CuO/Co3O4 composite derived from bimetallic MOF

Preparation of a high-performance H2S gas sensor based on CuO/Co3O4 composite derived from bimetallic MOF

Volatolomics in Fritillarias and Their Identification by Orientation Controlled cMOF Thin Film Chemiresistors

Electronic Nose and Its Applications

Contact Info

Product

Resources

About

Preparation of a high-performance H₂S gas sensor based on CuO/Co₃O₄ composite derived from bimetallic MOF

Preparation of a high-performance H₂S gas sensor based on CuO/Co₃O₄ composite derived from bimetallic MOF