Solvent-Free CO2 Cycloaddition of Propylene Oxide via Novel Composite of SAPO-34/ZIF-8 DOI Open Access

Hossein Zeinalzadeh

Published: Jan. 1, 2024

In this research, ZIF-8/SAPO-34 composites with various wt.% of ZIF-8 and SAPO-34 were prepared used as catalysts to synthesize cyclic carbonate solventless from CO2 propylene oxide. Among composites, SAPO-34/ZIF-8 75:25 (S/Z25) had the highest conversion value 92.59%, confirmed by 1HNMR analysis. Various physicochemical techniques characterize optimized composite, including X-ray diffraction (XRD), SEM, FT-IR, BET. The impact different reaction parameters such temperature, time, pressure, catalyst amount on reactivity studied. has been obtained at 120 psi, 100 ℃, 240 min. was decreased 20% when loading changed 0.4 0.1 g. Additionally, catalyst's recyclability for three runs without any significant changes in conversion. However, it observed that after five repeated tests reusability, percentage 92.59% 88.66%.

Language: Английский

Metal-organic frameworks (MOFs), covalent organic frameworks (COFs), and hydrogen-bonded organic frameworks (HOFs) in mixed matrix membranes DOI Creative Commons

Ghaidaa Majeed Jaid,

Adnan A. AbdulRazak, Hicham Meskher

et al.

Materials Today Sustainability, Journal Year: 2024, Volume and Issue: 25, P. 100672 - 100672

Published: Jan. 13, 2024

Mixed-matrix membranes (MMMs) have emerged as a promising approach for developing new, stable, and highly effective gas liquid separation materials. MMMs combine porous crystalline framework materials, such Metal-organic frameworks (MOFs), covalent organic (COFs), hydrogen-bonded (HOFs), fillers incorporated in polymer matrix. This article comprehensively reviews MMM research, discussing the structure properties of MOFs, COFs, HOFs their attractiveness use MMMs. The also mixed matrix filtration with various water treatment applications. potential meeting needs different industries is demonstrated through discussion specific examples. Overall, this highlights significant technology next-generation materials attempts to cover most recent progress design deployment COFs HOFs-based MMMs, are remaining obstacles prospects. work enormous these applications raises attention toward economic aspect market diffusion

Language: Английский

Citations

29

(Fe-Co-Ni-Zn)-Based Metal–Organic Framework-Derived Electrocatalyst for Zinc–Air Batteries DOI Creative Commons
Anup Adhikari, Kisan Chhetri, Rajan Rai

et al.

Nanomaterials, Journal Year: 2023, Volume and Issue: 13(18), P. 2612 - 2612

Published: Sept. 21, 2023

Zinc–air batteries (ZABs) have garnered significant interest as a viable substitute for lithium-ion (LIBs), primarily due to their impressive energy density and low cost. However, the efficacy of zinc–air is heavily dependent on electrocatalysts, which play vital role in enhancing reaction efficiency stability. This scholarly review article highlights crucial significance electrocatalysts explores rationale behind employing Fe-Co-Ni-Zn-based metal–organic framework (MOF)-derived hybrid materials potential electrocatalysts. These MOF-derived offer advantages such abundancy, high catalytic activity, tunability, structural Various synthesis methods characterization techniques are employed optimize properties Such exhibit excellent stability, selectivity, making them suitable applications ZABs. Furthermore, they demonstrate notable capabilities realm ZABs, encompassing elevated density, efficacy, prolonged longevity. It imperative continue extensively researching developing this area propel advancement ZAB technology forward pave way its practical implementation across diverse fields.

Language: Английский

Citations

23

Sustainability and Photocatalytic Performance of MOFs: Synthesis Strategies and Structural Insights DOI

Zeshan Ali Sandhu,

Umme Farwa, Muhammad Danish

et al.

Journal of Cleaner Production, Journal Year: 2024, Volume and Issue: 470, P. 143263 - 143263

Published: July 27, 2024

Language: Английский

Citations

12

Recent Advances in Metal–Organic Frameworks as Oxidase Mimics: A Comprehensive Review on Rational Design and Modification for Enhanced Sensing Applications DOI
Sameera Sh. Mohammed Ameen, Alaa Bedair, Mahmoud Hamed

et al.

ACS Applied Materials & Interfaces, Journal Year: 2024, Volume and Issue: unknown

Published: Dec. 30, 2024

Metal–organic frameworks (MOFs) have emerged as innovative nanozyme mimics, particularly in the area of oxidase catalysis, outperforming traditional MOF-based peroxidase and other nanomaterial-based systems. This review explores various advantages that MOFs offer terms catalytic activity, low-cost, stability, structural versatility. With a primary focus on their application biochemical sensing, oxidases demonstrated remarkable utility, prompting thorough exploration design modification strategies. Moreover, aims to provide comprehensive analysis strategies employed rational MOF structures optimize key parameters such sensitivity, selectivity, stability context sensors. Through an exhaustive examination recent research developments, this article seeks insights into nuanced interplay between performance, shedding light mechanisms underpin effectiveness mimics. Finally, addresses challenges opportunities associated with aiming drive further advancements structure development highly effective sensors for diverse applications.

Language: Английский

Citations

10

Sustainable Catalysis: Navigating Challenges and Embracing Opportunities for a Greener Future DOI Creative Commons
Umair Habib, Farooq Ahmad, Muhammad Awais

et al.

Journal of Chemistry and Environment, Journal Year: 2023, Volume and Issue: 2(2), P. 14 - 53

Published: Oct. 4, 2023

Catalysis plays a crucial role in sustainable chemistry, as demonstrated this review article. The introduction highlights the importance of catalysis sustainability and summarizes research. In review, we discussed catalysis, including green criteria, catalytic reactions. These examples demonstrate CO2 conversion, alcohol dehydrogenation, alkene oxidation, biomass-to-biofuel conversion using zeolites. This study also examines difficulties like stability, synthesis, design, recovery, reuse, scale-up, commercialization. Sustainable can be achieved via bio-inspired catalysts, renewable energy sources, nano-catalysis methods, computational innovative catalysts developed for chemistry. includes case studies CO2, biomass, water treatment, conversion. finishes with research directions. directions include studying metal-free integrating other fuel cell technologies, implementing industry, its environmental societal impacts. topic covers photocatalysis, heterogeneous electrocatalysis, highlighting their economic effects. comprehensive shows potential to transform chemical reactions while emphasizing social concerns, improving

Language: Английский

Citations

18

Bifunctional MOFs in Heterogeneous Catalysis DOI Creative Commons
Srinivasan Natarajan, Krishna Manna

ACS Organic & Inorganic Au, Journal Year: 2023, Volume and Issue: 4(1), P. 59 - 90

Published: Nov. 11, 2023

The ever-increasing landscape of heterogeneous catalysis, pure and applied, utilizes many different catalysts. Academic insights along with industrial adaptations paved the way for growth. In designing a catalyst, it is desirable to have priori knowledge what structure needs be targeted help in achieving goal. When focusing on one cope vast corpus information. overwhelming desire exploit catalysis toward commercial ends irresistible. today's world, requirements developing new catalyst address environmental concerns. well-established catalysts microporous structures (<25 Å), which find use processes. metal–organic framework (MOF) compounds, being pursued vigorously during last two decades, similar microporosity well-defined pores channels. MOFs possess large surface area assemble delicate structural compositional variations either preparation or through postsynthetic modifications (PSMs). MOFs, fact, offer excellent scope as simple Lewis acidic, Brönsted basic, more importantly bifunctional (acidic well basic) agents carrying out catalysis. advances that happened over years biology helped design good biocatalysts. tools techniques (advanced preparative approaches coupled computational insights), other hand, generating interesting inorganic this review, recent employing are presented. doing so, we concentrated developments past decade so.

Language: Английский

Citations

18

New Insights into N-Doped Porous Carbons as Both Heterogeneous Catalysts and Catalyst Supports: Opportunities for the Catalytic Synthesis of Valuable Compounds DOI Creative Commons
Elena Pérez‐Mayoral,

Marina Godino Ojer,

Márcia G. Ventura

et al.

Nanomaterials, Journal Year: 2023, Volume and Issue: 13(13), P. 2013 - 2013

Published: July 5, 2023

Among the vast class of porous carbon materials, N-doped carbons have emerged as promising materials in catalysis due to their unique properties. The introduction nitrogen into carbonaceous matrix can lead creation new sites on surface, often associated with pyridinic or pyrrolic functionalities, which facilitate various catalytic reactions increased selectivity. Furthermore, presence N dopants exerts a significant influence properties supported metal oxide nanoparticles, including dispersion, interactions between and support, stability nanoparticles. These effects play crucial role enhancing performance carbon-supported catalysts. Thus, metals been revealed be interesting heterogeneous catalysts for relevant synthesis processes valuable compounds. This review presents concise overview methods employed produce distinct structures, starting from diverse precursors, showcases potential processes, particularly fine chemical synthesis.

Language: Английский

Citations

11

Water-stable, sensitive sensors based on lanthanoid ions and a V-shaped linker 4,4′-(hexafluoroisopropylidene)bis(benzoic acid) for the detection of the antibiotic sulfathiazole and potentially hazardous ions in polluted waters DOI Creative Commons
Denitsa Elenkova, М. Н. Попова, Maria Milanova

et al.

Talanta Open, Journal Year: 2025, Volume and Issue: unknown, P. 100434 - 100434

Published: March 1, 2025

Language: Английский

Citations

0

Enhanced Piezoelectric Performance of ZIF-8@PAN Nanofiber Membranes for Energy Harvesting DOI
Zongjie Li,

Yihan Lu,

Tengfei Li

et al.

Polymer, Journal Year: 2025, Volume and Issue: unknown, P. 128521 - 128521

Published: May 1, 2025

Language: Английский

Citations

0

Eco‐sustainable Synthesis of N‐containing Heterocyclic Systems Using Porous Carbon Catalysts DOI Creative Commons
Elena Pérez‐Mayoral, Marina Godino‐Ojer, Luisa M. Pastrana‐Martínez

et al.

ChemCatChem, Journal Year: 2023, Volume and Issue: 15(23)

Published: Oct. 16, 2023

Abstract From the most classic carbon materials (CMs) to advanced ones, all of them integrate a promising catalyst set in terms sustainability and energy efficiency for greener future. Different synthetic strategies concerning catalytic synthesis relevant N ‐containing heterocycles are herein described address great potential referred catalysts flying over what has been done that remains be done. Current trends this field involve structure‐activity relationships establishment also considering reaction mechanisms understanding identification active sites, as function both experimental datasets, emphasizing on operando characterization techniques, theoretical studies which will significantly contribute design custom‐made new horizon.

Language: Английский

Citations

8