Evolution of metal organic frameworks as electrocatalysts for water oxidation

Mukhopadhyay, Subhabrata; Basu, Olivia; Nasani, Rajendar; Das, Samar K.

doi:10.1039/d0cc03659e

Cited by 40 publications

(26 citation statements)

References 147 publications

(170 reference statements)

Supporting

Mentioning

Contrasting

Order By: Relevance

“…[68,69] The presence of conducting polymers improves the effective charge transfer within the MOF-based composites, which enhances its catalytic activity. [70,71] To estimate the con-tribution of PEDOT in the Fe-BTC/PEDOT composite, we conducted a parallel study with bare PEDOT/SPEs for detection of H 2 O 2 (Figure S6, Supporting Information). Compared to Fe-BTC/PEDOT, PEDOT exhibits significantly lower reduction currents for H 2 O 2 sensing.…”

Section: Electrochemical Studymentioning

confidence: 99%

An Investigation into the Intrinsic Peroxidase‐Like Activity of Fe‐MOFs and Fe‐MOFs/Polymer Composites

Thakur

Karve

Sun

et al. 2021

Adv Materials Technologies

View full text Add to dashboard Cite

The quest for developing materials that provide a perfect trade‐off between factors such as enzyme‐like response, stability, and low cost has been a long‐standing challenge in the field of biosensing. Metal‐organic frameworks (MOFs) and their composites have emerged as promising candidates for biosensing applications due to their exceptional properties such as tunable pore size, high specific surface area, and exposed active sites. A comparative study of the intrinsic peroxidase‐like activity of five different MOF materials: Fe‐BTC, NH2‐MIL‐101(Fe), composites of Fe‐BTC with polymers polydopamine (PDA), poly p‐phenylenediamine (PpPDA), and poly(3,4‐ethylenedioxythiophene) is reported for the detection of H2O2, an important biomarker in biomedical diagnostics. The response of these materials toward H2O2 via electrochemical and colorimetric techniques is mapped and it is found that, at neutral pH, the Fe‐BTC/PEDOT composite exhibits the highest sensitivity and activity compared to other MOF materials in this study. The results indicate that the combination of unique properties of Fe‐BTC and conducting polymer PEDOT, improves the peroxidase‐like activity of the Fe‐BTC/PEDOT composite compared to the individual components. This work presents a new opportunity for easy‐to synthesize and low‐cost MOFs/conducting polymer composites for biosensing applications and provides significant insights to achieve rational design of composites with desirable functional properties

show abstract

Section: Electrochemical Studymentioning

confidence: 99%

An Investigation into the Intrinsic Peroxidase‐Like Activity of Fe‐MOFs and Fe‐MOFs/Polymer Composites

Thakur

Karve

Sun

et al. 2021

Adv Materials Technologies

View full text Add to dashboard Cite

show abstract

“…[24][25][26][27] Integrated systems with chromophore-catalyst assemblies [28][29][30][31] and catalysts incorporated into metal-organic frameworks (MOF)s were also reported. [32][33][34][35][36] A desired water oxidation catalyst should have a simple structure, able to be modified to control activity. The catalyst should be stable under catalytic conditions.…”

Section: Introductionmentioning

confidence: 99%

“…In the last decade, various water oxidation catalysts (WOCs) have been developed based on ruthenium, [10–14] manganese, [15–19] iron, [20–23] and iridium [24–27] . Integrated systems with chromophore‐catalyst assemblies [28–31] and catalysts incorporated into metal‐organic frameworks (MOF)s were also reported [32–36] …”

Section: Introductionmentioning

confidence: 99%

Systematic Influence of Electronic Modification of Ligands on the Catalytic Rate of Water Oxidation by a Single‐Site Ru‐Based Catalyst

et al. 2022

View full text Add to dashboard Cite

Catalytic water oxidation is an important process for the development of clean energy solutions and energy storage. Despite the significant number of reports on active catalysts, systematic control of the catalytic activity remains elusive. In this study, descriptors are explored that can be correlated with catalytic activity. [Ru(tpy)(pic) 2 (H 2 O)](NO 3 ) 2 and [Ru(EtOtpy)(pic) 2 (H 2 O)](NO 3 ) 2 (where tpy = 2,2' : 6',2"-terpyridine, EtOtpy = 4'-(ethoxy)-2,2':6',2"-terpyridine, pic = 4-picoline) are synthesized and characterized by NMR, UV/Vis, EPR, resonance Raman, and X-ray absorption spectroscopy, and electrochemical analysis. Addition of the ethoxy group increases the catalytic activity in chemically driven and photocatalytic water oxidation. Thus, the effect of the electron-donating group known for the [Ru(tpy)(bpy)(H 2 O)] 2 + family is transferable to architectures with a tpy ligand trans to the Ru-oxo unit. Under catalytic conditions, [Ru(EtO-tpy)(pic) 2 (H 2 O)](NO 3 ) 2 displays new spectroscopic signals tentatively assigned to a peroxo intermediate. Reaction pathways were analyzed by using DFT calculations. [Ru(EtOtpy)(pic) 2 (H 2 O)](NO 3 ) 2 is found to be one of the most active catalysts functioning by a water nucleophilic attack mechanism.

show abstract

“…Closely related review articles that summarize MOF-based electrocatalysts have appeared previously. [27][28][29] Very recently, heterotrimetallic MOFs that show electrocatalytic oxygen evolution have also been reviewed. 30,31 This review article focuses on summarizing the synthesis methodologies of heterometallic CPs and their utility for their various 'heterogeneous' electrocatalytic activities from the viewpoint of coordination chemistry.…”

Section: Introductionmentioning

confidence: 99%

Heterometallic coordination polymers as heterogeneous electrocatalysts

Kuwamura

Konno

2021

Inorg. Chem. Front.

View full text Add to dashboard Cite

show abstract

Evolution of metal organic frameworks as electrocatalysts for water oxidation

Abstract: In the last two decades, metal organic frameworks (MOFs) have been extensively investigated to develop heterogeneous electrocatalysts for water oxidation (WO). The scope of reticular synthesis, enormous surface area and...

Cited by 40 publications

References 147 publications

An Investigation into the Intrinsic Peroxidase‐Like Activity of Fe‐MOFs and Fe‐MOFs/Polymer Composites

An Investigation into the Intrinsic Peroxidase‐Like Activity of Fe‐MOFs and Fe‐MOFs/Polymer Composites

Systematic Influence of Electronic Modification of Ligands on the Catalytic Rate of Water Oxidation by a Single‐Site Ru‐Based Catalyst

Heterometallic coordination polymers as heterogeneous electrocatalysts

Contact Info

Product

Resources

About