Sheet-on-sheet architectural assembly of MOF/graphene for high-stability NO sensing at room temperature

Chang, Yanwei; Zhang, Jingxing; Lu, Ruofei; Li, Weiran; Feng, Yuchen; Gao, Yixun; Yang, Haihong; Wang, Fengnan; Li, Hao; Lee, Yi-Kuen; French, Patrick J.; Umar Siddiqui, Ahmad M.; Wang, Yao; Zhou, Guofu

doi:10.1039/d4tc00091a

Cited by 3 publications

(1 citation statement)

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“…Additionally, 2D conductive MOFs are often characterized by lower chemical stability and limited recyclability, resulting from the strong gas interactions that hinder the dissociation of gas molecules from the active sites. − To overcome these limitations, two general methodologies for designing MOF-based composites as room temperature chemiresistors have been established. The first involves enhancing the performance of 2D conductive MOFs by combining them with other materials, such as polymers, graphene, metal nanoparticles (M-NPs), − metal sulfides, and metal oxides . The second strategy utilizes the unique porosity of 3D nonconductive MOFs to improve the adsorption of target molecules or to offer a sieving effect for gas mixtures .…”

Section: Materials Development In Mof-based Chemiresistorsmentioning

confidence: 99%

Advancing Metal–Organic Framework Designs for Room-Temperature Chemiresistive Gas Sensors

Kim,

Pander,

Moon

2024

ACS Appl. Electron. Mater.

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Metal−organic frameworks (MOFs) represent a versatile class of porous reticular materials whose structures and properties can be precisely tailored for targeted applications. A prominent example of such an application is the chemiresistive sensing of gases, where MOFs exhibit robust responses even at room temperature, thereby demonstrating their potential for practical utilization. This feature article reviews the development of the design criteria that are crucial for the optimization of MOFs as room-temperature chemiresistors. To highlight key advancements in this field, we categorize these materials into three distinct groups to (1) 2D conductive MOFs, (2) composites of MOFs with other materials, and (3) MOF-on-MOF architectures. The representative achievements from each group are discussed to demonstrate research progress in the construction of these innovative materials and their performance in gas sensing. Special emphasis is placed on the MOF-on-MOF materials, underscoring their role as pioneering smart materials for targeted application.

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