Conductive Metal–Organic Frameworks: Mechanisms, Design Strategies and Recent Advances

Deng, Xiangling; Hu, Jieying; Luo, Jiye; Liao, Wei‐Ming; He, Jun

doi:10.1007/s41061-020-0289-5

Cited by 71 publications

(60 citation statements)

References 246 publications

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“…While many excellent reviews have focused on the synthesis, mechanisms, and miscellaneous applications of conductive MOFs [8][9][10][11], few of them focus on their photophysical properties (i.e., their responses under irradiation of laser). Therefore, in this review, we will discuss in detail the photophysical properties of conductive MOFs.…”

Section: Mofsmentioning

confidence: 99%

Conductive MOFs with Photophysical Properties: Applications and Thin-Film Fabrication

Zhuang

Liu

2020

Nano-Micro Lett.

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HIGHLIGHTS • An overview on photophysical properties of conductive metal-organic frameworks (MOFs) including photoconductivity and photoluminescence is provided. • Miscellaneous applications of MOFs with photophysical properties are discussed. • Recent advances in integration of photoactive MOFs with practical devices are summarized. ABSTRACT Metal-organic frameworks (MOFs) are a class of hybrid materials with many promising applications. In recent years, lots of investigations have been oriented toward applications of MOFs in electronic and photoelectronic devices. While many high-quality reviews have focused on synthesis and mechanisms of electrically conductive MOFs, few of them focus on their photophysical properties. Herein, we provide an in-depth review on photoconductive and photoluminescent properties of conductive MOFs together with their corresponding applications in solar cells, luminescent sensing, light emitting, and so forth. For integration of MOFs with practical devices, recent advances in fabrication of photoactive MOF thin films are also summarized.

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Section: Mofsmentioning

confidence: 99%

Conductive MOFs with Photophysical Properties: Applications and Thin-Film Fabrication

Zhuang

Liu

2020

Nano-Micro Lett.

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“…As shown in Figures S8 and S18, the proton conductivities of CS/CMMIM@MIL‐88A‐25% and CS/CMMIM@MIL‐88B‐125% reach 1.33 and 1.42 S cm −1 , respectively, at 75% RH and 353 K. Besides, as shown in Figures S22 and S18, CS/CMMIM@MIL‐53(Fe)‐75% and CS/CMMIM@MIL‐88B‐125% composite materials have surprisingly high proton conductivities, with 2.1 × 10 −3 and 1.28 × 10 −3 S cm −1 , respectively, at 75% RH and 263 K. In terms of material temperature range adaptability, the conductivities of CS/CMMIM@MIL‐88B‐125% are higher and more stable with the temperature changing from 263 to 353 K, the temperature range of which is much wider than that reported already. [ 48 ] From an economic point of view, CS/CMMIM@MIL‐88A‐25% is more practical at low temperature, and CS/CMMIM@MIL‐53(Fe)‐75% is more practical at high temperature. Above all, at a wider temperature range (263–353 K) and lower RH (75% RH to about 98% RH [ 35,37,49–53 ] ), the conductivities of the materials in this work are much higher than those for other composite materials.…”

Section: Resultsmentioning

confidence: 99%

Proton conductivity study on three CS/IL@fle‐MOF membranes

Zheng

Zhao

Huang

et al. 2020

Applied Organom Chemis

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The low‐cost, high specific surface area and porosity, controlled pore size, and chemical properties of metal–organic framework (MOF) materials have attracted much attention in the exploration of proton conduction. The method of chemically modifying MOF structures or introducing conductive medium into the holes can effectively improve the proton conductivities of the materials. Here, the structural tunability of ionic liquid (IL) and flexible MOF (fle‐MOF) materials are matched to give full play to the conductivity of IL, the framework support, and the microporous effect of MOFs, which achieves the synergistic effect of performance and expands the temperature range of proton transfer. Three kinds of CS/IL@fle‐MOF membranes were prepared by combining three fle‐MOFs with 1‐carboxymethyl‐3‐methylimidazole (CMMIM) in different proportions to obtain 15 pieces of membranes. The comparative analyses show that CS/IL@fle‐MOF membranes have excellent proton conduction performance at a wider temperature range (263–353 K) and lower relative humidity (75% RH). Among them, the proton conductivities of CS/CMMIM@MIL‐88A‐25% and CS/CMMIM@MIL‐88B‐125% are up to 1.33 and 1.42 S cm−1 at 75% RH and 353 K, respectively; whereas those of CS/CMMIM@MIL‐53(Fe)‐75% and CS/CMMIM@MIL‐88B‐125% reach up to 2.1 × 10−3 and 1.28 × 10−3 S cm−1 at 75% RH and 263 K, respectively. The Ea of CS/CMMIM@fle‐MOFs is in the range of 0.1–0.5 eV, suggesting that the proton transport follows predominantly the typical Grotthuss transfer mechanism. The results of this study indicate that the CS/CMMIM@fle‐MOF membranes combinations offer great potential for the design of composite porous proton‐conducting materials.

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“…These class of materials were developed to improve the surface area and pore volume by incorporation of different topological linkers. In IRMOF, IR stands for isoreticular, which means it is a series of MOFs with the same topology, but different pore size [14,20,22,23]. A series of different IRMOFs share similar pcu topology of IRMOF-n (n = 1-16).…”

Section: Reticular Chemistry and Isoreticular Mofsmentioning

confidence: 99%

“…However, the electrical properties of MOFs and integration of them in micro-electronic devices is still at an early stage and remain under research when compared to other types of existing conducting materials [4,15] due to their insulating character. Although MOFs possess the properties of both organic and inorganic counterparts, they behave as electrical insulators or poor electrical conductors due to the poor overlapping between the π-orbitals of organic ligands and d-orbitals of the metal ion [20]. Yet, MOFs serving as an interface between (inorganic) hard and (organic) soft materials provide an opportunity for adapting various structure-property relationships that is related to wide range of parameters such as choice of metal ion, organic linker, and molecular designing approach.…”

Section: Introductionmentioning

confidence: 99%

Coordination Polymer Frameworks for Next Generation Optoelectronic Devices

Rathnayake¹,

Dawood²

2021

Optoelectronics

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Metal–organic frameworks (MOFs), which belong to a sub-class of coordination polymers, have been significantly studied in the fields of gas storage and separation over the last two decades. There are 80,000 synthetically known MOFs in the current database with known crystal structures and some physical properties. However, recently, numerous functional MOFs have been exploited to use in the optoelectronic field owing to some unique properties of MOFs with enhanced luminescence, electrical, and chemical stability. This book chapter provides a comprehensive summary of MOFs chemistry, isoreticular synthesis, and properties of isoreticular MOFs, synthesis advancements to tailor optical and electrical properties. The chapter mainly discusses the research advancement made towards investigating optoelectronic properties of IRMOFs. We also discuss the future prospective of MOFs for electronic devices with a proposed roadmap suggested by us. We believe that the MOFs-device roadmap should be one meaningful way to reach MOFs milestones for optoelectronic devices, particularly providing the potential roadmap to MOF-based field-effect transistors, photovoltaics, thermoelectric devices, and solid-state electrolytes and lithium ion battery components. It may enable MOFs to be performed in their best, as well as allowing the necessary integration with other materials to fabricate fully functional devices in the next few decades.

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Conductive Metal–Organic Frameworks: Mechanisms, Design Strategies and Recent Advances

Cited by 71 publications

References 246 publications

Conductive MOFs with Photophysical Properties: Applications and Thin-Film Fabrication

Conductive MOFs with Photophysical Properties: Applications and Thin-Film Fabrication

Proton conductivity study on three CS/IL@fle‐MOF membranes

Coordination Polymer Frameworks for Next Generation Optoelectronic Devices

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