Application of DUT-4 MOF structure switching for optical and electrical humidity sensing

Krylov, Alexander S.; Shipilovskikh, Sergei A.; Krylova, Svetlana N.; Slyusarenko, Nina V.; Timofeeva, Maria; Kenzhebayeva, Yuliya A.; Bachinin, Semyon V.; Yushina, Irina D.; Cherepakhin, Aleksandr V.; Shestakov, Nikolai P.; Nemtsev, Ivan V.; Vtyurin, Alexander N.; Milichko, Valentin A.

doi:10.1039/d4dt00038b

Dalton Trans.

2024

DOI: 10.1039/d4dt00038b

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Application of DUT-4 MOF structure switching for optical and electrical humidity sensing

Alexander S. Krylov,

Sergei A. Shipilovskikh,

Svetlana N. Krylova

et al.

Abstract: The threshold structural transformation of DUT-4 metal-organic framework (MOF) from an ordered to distorted phase during exposure at ambient conditions has been revealed by \textit{in situ} X-ray diffraction analysis, Raman...

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Cited by 4 publications

References 38 publications

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Engineered Conductive Metal–organic Frameworks for Electrochemical Detection of Urinary Biomarkers

Mohan,

Asif,

Pombeiro

2024

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The increasing prevalence of health concerns has sparked a demand for advanced health monitoring tools, which is a significant challenge for researchers. Analysis of biofluid samples and biomarker monitoring is vital for comprehensive health assessment. In this context, metal–organic frameworks (MOFs) have emerged as one of the leading materials for developing cutting‐edge artificial sensors. These unique MOFs have been developed from metallic and organic linkers and consist of tunable pores and dynamic surface areas, attracting various guest molecules to participate in developing advanced electrochemical devices. This study is a gateway to a world where MOF designs transcend mere inventions, morphing into electric marvels that revolutionize urine sample monitoring. From the inception and design to the fabrication of MOF sensors tailored for electrochemical applications, this study prides itself on elucidating the factors affecting MOF‐based electrical devices and sensors. Moreover, the focus is placed on conductivity, electrode properties, and recent state‐of‐the‐art urine sample analysis, highlighting the pivotal role biomarkers play in honing the resilience and performance of the sensors. Finally, this study is specific to electrochemical sensors used for urine analysis. It will attract researchers to develop new portable tools for health monitoring by analyzing urine samples.

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Engineered Conductive Metal–organic Frameworks for Electrochemical Detection of Urinary Biomarkers

Mohan,

Asif,

Pombeiro

2024

Small

View full text Add to dashboard Cite

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Structural Diversity and Tunable Luminescent Properties of Zn(II) Metal–Organic Frameworks with Terephthalate and 4,7-Di(1,2,4-triazol-1-yl)-2,1,3-benzothiadiazole Linkers

Pavlov,

Ryadun,

Fedin

et al. 2024

Crystal Growth & Design

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Covalent Organic Frameworks in Computational Design of Second-Harmonic Generation Materials: Role of Tetrel Atoms and Their Interactions

Yushina,

Masunov,

Bartashevich

2024

J. Phys. Chem. A

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Modern approaches to the design of nonlinear optical materials often rely on computational techniques. Here, we discuss the effects of the variation in the center tetrel atoms, Tt = C, Si, or Ge, in a series of covalent organic frameworks of the COF-102 family. The effects of halogen substitution, Hal = Cl, Br, or I on intramolecular tetrel bonding are also discussed. The characteristics of the calculated electron density have been implemented to describe the features of the electron distribution around the central fragment involving a tetrahedral tetrel atom. The effect of the central Tt atom leads to a dramatic change in the character of electron delocalization on the Tt–Car bond with aromatic rings. The location of the halogen atom at the ortho-position of the aromatic ring leads to the formation of tetrel bonds, halogen bonds, or other noncovalent interactions. The changes in the second-order electric susceptibility χ(2) have been studied in order to describe the strength of nonlinear optical properties within the periodic couple-perturbed Kohn–Sham approach. A counterintuitive trend for the χ(2) decrease is observed upon substitution of H > Cl > Br > I at the ortho-position of the phenyl ring. This is due to the corresponding elongation of the Tt–Car bond.

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Application of DUT-4 MOF structure switching for optical and electrical humidity sensing

Abstract: The threshold structural transformation of DUT-4 metal-organic framework (MOF) from an ordered to distorted phase during exposure at ambient conditions has been revealed by \textit{in situ} X-ray diffraction analysis, Raman...

Cited by 4 publications

References 38 publications

Engineered Conductive Metal–organic Frameworks for Electrochemical Detection of Urinary Biomarkers

Engineered Conductive Metal–organic Frameworks for Electrochemical Detection of Urinary Biomarkers

Structural Diversity and Tunable Luminescent Properties of Zn(II) Metal–Organic Frameworks with Terephthalate and 4,7-Di(1,2,4-triazol-1-yl)-2,1,3-benzothiadiazole Linkers

Covalent Organic Frameworks in Computational Design of Second-Harmonic Generation Materials: Role of Tetrel Atoms and Their Interactions

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