Metal-organic framework-based nanomaterials for CO₂ storage: A review

• Ha Huu Do,
• Iqra Rabani and
• Hai Bang Truong

Beilstein J. Nanotechnol. 2023, 14, 964–970, doi:10.3762/bjnano.14.79

• -organic frameworks (MOFs) promising contenders for CO2 uptake. This review commences by discussing recent advancements in MOFs with diverse adsorption sites, encompassing open metal sites and Lewis basic centers. Next, diverse strategies aimed at enhancing CO2 adsorption capabilities are presented

• frameworks (MOFs) [11][12][13]. Notably, MOFs constructed from metal ions and organic linkers are expected to be alternative materials to the organic alcohol amines in CCS [14]. These nanosized materials posess unique properties such as ultrahigh surface area, tunable pore size, open metal sites (OMSs), and

• facile post-synthetic modifications, which allow for diverse strategies towards efficient adsorption and separation of gas molecules [15]. Among the nanosized MOFs, MOF-210 has demonstrated a remarkable ability to adsorb CO2 (54.5 mmol·g−1 at 50 bar, 298 K) owing to its large surface area of 6240 m2·g−1

Ni, Co, Zn, and Cu metal-organic framework-based nanomaterials for electrochemical reduction of CO₂: A review

• Ha Huu Do and
• Hai Bang Truong

Beilstein J. Nanotechnol. 2023, 14, 904–911, doi:10.3762/bjnano.14.74

• of converting CO2 into valuable chemicals through electrochemical techniques has garnered significant attention. Metal-organic frameworks (MOFs) have occured as highly prospective materials for the reduction of CO2, owing to their exceptional attributes including extensive surface area, customizable

• architectures, pronounced porosity, abundant active sites, and well-distributed metallic nodes. This article commences by elucidating the mechanistic aspects of CO2 reduction, followed by a comprehensive exploration of diverse materials encompassing MOFs based on nickel, cobalt, zinc, and copper for efficient

• exhibited considerable variation depending on the elemental composition of pure metal catalysts [19]. Notably, Au, Ag, and Zn catalysts exhibit preferential CO generation, while Sn, In, and Pb catalysts prove effective in producing formate ions (HCOO−) [20]. Metal-organic frameworks (MOFs) are established

Metal-organic framework-based nanomaterials as opto-electrochemical sensors for the detection of antibiotics and hormones: A review

• Akeem Adeyemi Oladipo,
• Saba Derakhshan Oskouei and
• Mustafa Gazi

Beilstein J. Nanotechnol. 2023, 14, 631–673, doi:10.3762/bjnano.14.52

• that are time-consuming and require experienced professionals. Metal-organic frameworks (MOFs) with variable porosity, active functional sites, and fluorescence capacity are attractive materials for developing opto-electrochemical sensors. Herein, the insights into the capabilities of electrochemical

• , high-performance MOFs as commercially viable next-generation opto-electrochemical sensor materials for the detection and monitoring of diverse analytes are discussed. Keywords: antibiotics sensing; endocrinal disorders; fluorescent sensor; hormones sensors; luminescent sensor; MOF nanohybrids

• framework (MOF) opto-electrochemical nanosensors for the detection of hormones and antibiotics is still missing, though. This review focuses on a variety of sensing applications that use MOFs as well as the synergistic mechanisms of MOF hybrids or composites that improve sensing performance. It provides a

Cyclodextrins as eminent constituents in nanoarchitectonics for drug delivery systems

• Makoto Komiyama

Beilstein J. Nanotechnol. 2023, 14, 218–232, doi:10.3762/bjnano.14.21

• ]. Metal complexes of CyD [93] and metal-organic frameworks (MOFs) containing CyDs [94][95][96] were also developed for DDSs. By combining a thermoresponsive poly(N-isopropylacrylamide) star polymer with a β-CyD core, adamantane-terminated poly(ethylene glycol) polymer, and α-CyD, a supramolecular hydrogel

Design of surface nanostructures for chirality sensing based on quartz crystal microbalance

• Yinglin Ma,
• Xiangyun Xiao and
• Qingmin Ji

Beilstein J. Nanotechnol. 2022, 13, 1201–1219, doi:10.3762/bjnano.13.100

• volatile organic compounds (VOCs) with a remarkable degree of selectivity, which may promote the development of electronic nose systems for chiral analytes. Metal–organic frameworks. Metal–organic frameworks (MOFs) are unique porous crystalline materials fabricated by the self-assembly of metal ions or

• clusters and organic ligands via coordination bonds [89][90][91][92]. The variety of combinations between metal ions and organic linkers or structural motifs allows for tunable pore size/shape and adjustable surface functionality [93][94]. These structural characteristics make MOFs one of the most ideal

• sensing materials [95][96][97]. Due to the confinement effect from the porous space, chiral MOFs with suitable recognition sites may improve the stereoselectivity of chiral sensing [98]. Zhu et al. designed a homochiral MOF sensor based on [Zn(L)(2,2′-bipy)]·H2O, which could achieve the quantitative

Spindle-like MIL101(Fe) decorated with Bi₂O₃ nanoparticles for enhanced degradation of chlortetracycline under visible-light irradiation

• Chen-chen Hao,
• Fang-yan Chen,
• Kun Bian,
• Yu-bin Tang and
• Wei-long Shi

Beilstein J. Nanotechnol. 2022, 13, 1038–1050, doi:10.3762/bjnano.13.91

• China 10.3762/bjnano.13.91 Abstract Improving the photocatalytic performance of metal–organic frameworks (MOFs) is an important way to expand its potential applications. In this work, zero-dimensional (0D) Bi2O3 nanoparticles were anchored to the surface of tridimensional (3D) MIL101(Fe) by a facile

• efficient photocatalysts for CTC degradation. Metal–organic frameworks (MOFs) are a kind of micro- or mesoporous materials established by the self-assembly of organic linkers and metal-cluster or metal-ion nodes [19]. The MOF materials possess large surface areas, high pore volume, tunability, uniform

• cavities, and excellent thermal stability [20][21]. These advantages make it appalling to adsorption [22], gaseous capture/separation [23], sensing [24], and drug release applications [25]. Moreover, some MOFs can be excited under UV or visible light and exhibit light harvesting properties due to ligand

The role of sulfonate groups and hydrogen bonding in the proton conductivity of two coordination networks

• Ali Javed,
• Felix Steinke,
• Stephan Wöhlbrandt,
• Hana Bunzen,
• Norbert Stock and
• Michael Tiemann

Beilstein J. Nanotechnol. 2022, 13, 437–443, doi:10.3762/bjnano.13.36

• coordination polymers (CPs), such as (porous) metal-organic frameworks (MOFs) and (non-porous, yet cross-linked) coordination networks [12], may offer alternatives to Nafion because of their structural controllability and high crystallinity [13]. The quest to develop new proton-conducting network materials is

Interfacial nanoarchitectonics for ZIF-8 membranes with enhanced gas separation

• Season S. Chen,
• Zhen-Jie Yang,
• Chia-Hao Chang,
• Hoong-Uei Koh,
• Sameerah I. Al-Saeedi,
• Kuo-Lun Tung and
• Kevin C.-W. Wu

Beilstein J. Nanotechnol. 2022, 13, 313–324, doi:10.3762/bjnano.13.26

• rise to specific molecule-sized pores, which yield a high separation factor in the separation processes [9][10][11][12]. Wider application of zeolite membranes in separation is limited by the narrow pore-size range (0.2–2 nm) and the difficult chemical modification. Metal-organic frameworks (MOFs) are

• ]. Given these structural properties, MOFs are widely applied to gas storage [18], gas/liquid separation [18][19][20], energy storage [21][22][23], sensing [24], catalysis [25], electrochemistry [26], and bio-related fields [27]. Zeolitic imidazolate frameworks (ZIFs), a subclass of MOFs, comprise

• intercrystalline defect formation in MOFs can have either positive or negative effects on the separation performance. Point defects and extended defects may increase the number of adsorption sites in MOFs [35], while missing linkers may provide low-resistance diffusion pathways by increasing the porosity of the

Recent progress in magnetic applications for micro- and nanorobots

• Ke Xu,
• Shuang Xu and
• Fanan Wei

Beilstein J. Nanotechnol. 2021, 12, 744–755, doi:10.3762/bjnano.12.58

• ). Nayak [39] used metal-organic frameworks (MOFs) to adsorb heavy metals in water for water purification. MOFs have a very high specific surface area and modular structure, showing great advantages in the sustainable supply of clean drinking water. Later, Yu et al. [40] reported a method to disassemble

• constructed of MOFs proposed by Yang et al. [78] was powered by enzymes, in which MOF crystals use H2O2 as fuel to achieve bubble propulsion. A rotating magnetic field generated by the MagDisk was applied to drive the FMSM. The translational motion direction of the FMSM was determined by the yaw angle. The

• flagella to perform helical rotation. So far, people have been inspired to design many synthetic swimmers [80][81]. The use of an external magnetic field could guide magnetically driven MOFs. This locomotion mechanism was mainly limited to magnetic dragging and required a high magnetic field gradient [82

Self-standing heterostructured NiC_x-NiFe-NC/biochar as a highly efficient cathode for lithium–oxygen batteries

• Shengyu Jing,
• Xu Gong,
• Shan Ji,
• Linhui Jia,
• Bruno G. Pollet,
• Sheng Yan and
• Huagen Liang

Beilstein J. Nanotechnol. 2020, 11, 1809–1821, doi:10.3762/bjnano.11.163

• series of 3D self-standing electrodes [40][41][42][43] by depositing MOFs on biomass followed by either a carbonization or a phosphating step. These electrodes can be directly used as cathodes in Li–O2 batteries. In this work, the NiFe-PBA/pomelo peel (PP) precursors were prepared in a similar way as in

Adsorptive removal of bulky dye molecules from water with mesoporous polyaniline-derived carbon

• Hyung Jun An,
• Jong Min Park,
• Nazmul Abedin Khan and
• Sung Hwa Jhung

Beilstein J. Nanotechnol. 2020, 11, 597–605, doi:10.3762/bjnano.11.47

• regarded to be very effective and attractive because of its operation under mild conditions and no need of oxidant, active catalyst, and irradiation [8][9]. Therefore, adsorption with carbon nanotubes, activated carbon (AC), biomass, and metallic–organic frameworks (MOFs) has been actively studied for the

• because of functional carbon materials (graphene [16] or porous carbon [17]), mesoporous materials [18] and MOFs [19][20][21][22]. For example, MOFs [23][24][25], carbonaceous materials (such as carbon nanotubes, graphene, biochar and activated carbon) [26] and clay [27] have been applied in adsorptive

• ]. Moreover, highly porous carbon materials, especially with high nitrogen content, have been produced from various precursors including organic polymers [29][30][31][32][33] and MOFs [34][35][36][37][38]. Polyaniline (PANI), prepared from aniline, is a useful polymer in various fields because of its facile

High-performance asymmetric supercapacitor made of NiMoO₄ nanorods@Co₃O₄ on a cellulose-based carbon aerogel

• Meixia Wang,
• Jing Zhang,
• Xibin Yi,
• Benxue Liu,
• Xinfu Zhao and
• Xiaochan Liu

Beilstein J. Nanotechnol. 2020, 11, 240–251, doi:10.3762/bjnano.11.18

• a capacitance retention of 84.1% after 2000 cycles [23]. Metal-organic frameworks (MOFs) with high porosity and tunable functionality are ideal sacrificial templates to synthesize metal oxides [24][25][26]. As a MOF derivative, Co3O4 derived from the zeolitic imidazolate framework-67 (ZIF-67) is

Air oxidation of sulfur mustard gas simulants using a pyrene-based metal–organic framework photocatalyst

• Ghada Ayoub,
• Mihails Arhangelskis,
• Xuan Zhang,
• Florencia Son,
• Timur Islamoglu,
• Tomislav Friščić and
• Omar K. Farha

Beilstein J. Nanotechnol. 2019, 10, 2422–2427, doi:10.3762/bjnano.10.232

• selection of solvent choices since solubility of the chromophore does not need to be considered, and lower probability of photobleaching [24][25]. Metal–organic frameworks (MOFs), porous crystalline materials comprised of metal nodes and organic linkers, have attracted tremendous attention in heterogeneous

• catalysis due to their structural and chemical tunability [26][27][28][29][30][31][32][33][34][35][36]. In that context, zirconium-based MOFs have demonstrated particularly high stability under a range of conditions, enabling their application for efficient, rapid hydrolytic or oxidative degradation of

• (Figure 2). Achieving complete oxidation of CEES without the O2 saturation represents a milestone for the potential deployment of MOFs as an active detoxification catalyst and, consequently, we focused on detailed exploration of the activity of NU-400 in air, without oxygen purging. Given that NU-400 is

Synthesis of highly active ETS-10-based titanosilicate for heterogeneously catalyzed transesterification of triglycerides

• Muhammad A. Zaheer,
• David Poppitz,
• Khavar Feyzullayeva,
• Marianne Wenzel,
• Jörg Matysik,
• Radomir Ljupkovic,
• Aleksandra Zarubica,
• Alexander A. Karavaev,
• Andreas Pöppl,
• Roger Gläser and
• Muslim Dvoyashkin

Beilstein J. Nanotechnol. 2019, 10, 2039–2061, doi:10.3762/bjnano.10.200

• removal [13]. Amongst the prospective solid catalysts designed for transesterification reactions, such as calcium [14] and other metal oxides [15], metal–organic frameworks (MOFs) [10], silica-supported catalysts [16], biochar [17] and other biomass-derived catalysts [18], zeolites and molecular sieves

• [19][20] offer a combination of the possibility for the pore network modification (e.g., as a result of a post-synthetic treatment) and high stability (e.g., compared to MOFs) with active sites being part of a framework. The microporous, titanosilicate ETS-10 catalyst was found to be one of the most

Nanostructured and oriented metal–organic framework films enabling extreme surface wetting properties

• Andre Mähringer,
• Julian M. Rotter and
• Dana D. Medina

Beilstein J. Nanotechnol. 2019, 10, 1994–2003, doi:10.3762/bjnano.10.196

• . Keywords: antifog; antifouling; biomimetic coatings; metal–organic frameworks (MOFs); superhydrophilic; superoleophobic; thin films; vapor-assisted conversion; Introduction Over millions of years, plants and animals have evolved a spectrum of surface designs enabling specific wetting properties tailored

• development of a straightforward and versatile bottom-up synthesis scheme enabling tunable surface morphologies for controlled wetting properties is still challenging and highly desired. Metal–organic frameworks (MOFs) are porous, crystalline materials featuring a great structural and chemical diversity [40

• properties and functions, MOFs are intriguing candidates for the design and synthesis of coatings combining a superhydrophilic, superhydrophobic, superoleophilic or superoleophobic character with desired features such as light filtering, hosting cavities, electrical conductivity, etc. In the literature, the

Charge-transfer interactions between fullerenes and a mesoporous tetrathiafulvalene-based metal–organic framework

• Manuel Souto,
• Joaquín Calbo,
• Samuel Mañas-Valero,
• Aron Walsh and
• Guillermo Mínguez Espallargas

Beilstein J. Nanotechnol. 2019, 10, 1883–1893, doi:10.3762/bjnano.10.183

• /bjnano.10.183 Abstract The design of metal–organic frameworks (MOFs) incorporating electroactive guest molecules in the pores has become a subject of great interest in order to obtain additional electrical functionalities within the framework while maintaining porosity. Understanding the charge-transfer

• (CT) process between the framework and the guest molecules is a crucial step towards the design of new electroactive MOFs. Herein, we present the encapsulation of fullerenes (C60) in a mesoporous tetrathiafulvalene (TTF)-based MOF. The CT process between the electron-acceptor C60 guest and the

• increased by two orders of magnitude due to the CT interactions between C60 and the TTF-based framework. Keywords: charge transfer; donor–acceptor; fullerene; metal–organic frameworks (MOFs); tetrathiafulvalene (TTF); Introduction Metal–organic frameworks (MOFs), which are crystalline porous materials

Long-term entrapment and temperature-controlled-release of SF₆ gas in metal–organic frameworks (MOFs)

• Hana Bunzen,
• Andreas Kalytta-Mewes,
• Leo van Wüllen and
• Dirk Volkmer

Beilstein J. Nanotechnol. 2019, 10, 1851–1859, doi:10.3762/bjnano.10.180

• frameworks (MOFs); sulfur hexafluoride; Introduction Metal–organic frameworks (MOFs) are coordination polymers with organic ligands containing (potential) voids [1]. Their porosity and high surface area make them attractive materials for adsorption-based applications [2][3][4][5]. MOFs have been suggested

• as promising materials for gas storage of attractive fuel gases such as hydrogen [6][7][8] or methane [9][10][11]. In these applications the gas is adsorbed inside the pores. To enhance the guest adsorption in MOFs, several different approaches have been introduced over the last few years. These

• include tuning the pore properties, such as polarity, or introducing open metal sides for a better interaction between the guest and host material [5][7][11]. Recently, we reported on an alternative approach which dealt with kinetic trapping of gas molecules in MOFs [12]. This approach is based on using

The impact of crystal size and temperature on the adsorption-induced flexibility of the Zr-based metal–organic framework DUT-98

• Simon Krause,
• Volodymyr Bon,
• Hongchu Du,
• Rafal E. Dunin-Borkowski,
• Ulrich Stoeck,
• Irena Senkovska and
• Stefan Kaskel

Beilstein J. Nanotechnol. 2019, 10, 1737–1744, doi:10.3762/bjnano.10.169

• applications. This work thus extends the limited amount of studies on crystal size effects in flexible MOFs and hopefully motivates further investigations in this field. Keywords: crystal engineering; crystal size; flexible metal–organic frameworks; MOFs; water adsorption; Introduction In the past 20 years

• , research in the area of metal–organic frameworks (MOFs) has delivered various record-holding materials in terms of surface area [1] and gas storage [2] and has also given rise to unprecedented adsorption phenomena [3] often associated with structural transitions. An increasing number of the so-called

• flexible MOFs are being reported and their use in the areas of storage [4], separation [5] and sensing [6] of gases is being evaluated; their structural flexibility and adsorption behavior can be manipulated by applying chemical functionalization to the ligand [7] and metal cluster [8]. However, recent

Materials nanoarchitectonics at two-dimensional liquid interfaces

• Katsuhiko Ariga,
• Michio Matsumoto,
• Taizo Mori and
• Lok Kumar Shrestha

Beilstein J. Nanotechnol. 2019, 10, 1559–1587, doi:10.3762/bjnano.10.153

• well as two-dimensional molecular patterning, are briefly explained. In the following sections, several topics of materials nanoarchitectonics at liquid interfaces such as the preparation of two-dimensional metal-organic frameworks (MOFs) and covalent organic frameworks (COFs), the fabrication of multi

• synthesize two-dimensional materials. The recent developments of synthetic two-dimensional crystalline polymers (2DCPs), such as two-dimensional metal-organic frameworks (MOFs) and two-dimensional covalent organic frameworks (COFs), have unveiled their intriguing chemistry and properties, and have shown

• their potential for wide-ranging applications, such as electronics, sensing, catalysis, separation, and energy storage and conversion. However, most reported two-dimensional MOFs and COFs have been synthesised as powders, which are not easily processed into more useful forms due to their nature as cross

A highly efficient porous rod-like Ce-doped ZnO photocatalyst for the degradation of dye contaminants in water

• Binjing Hu,
• Qiang Sun,
• Chengyi Zuo,
• Yunxin Pei,
• Siwei Yang,
• Hui Zheng and
• Fangming Liu

Beilstein J. Nanotechnol. 2019, 10, 1157–1165, doi:10.3762/bjnano.10.115

• ]. In recent years, metal organic frameworks (MOFs) have been intensively investigated and widely utilized in various fields, such as electrocatalysis [14], heterogeneous catalysis [15] and photocatalysis [16]. Yang et al. [17] reported that Ga-MOF displayed moderate to high catalytic activity of

• knowledge, the synthesis of rod-like Ce-doped ZnO (abbreviated as CZO [9]) by pyrolysis derived from ZIF-8 (a zeolitic imidazolate framework, ZIF) has not been reported. As one of the most frequently used MOFs, ZIF-8 (2-methylimidazole zinc salt) has potential applications in gas storage, catalysis, etc

Ultrathin hydrophobic films based on the metal organic framework UiO-66-COOH(Zr)

• Miguel A. Andrés,
• Clemence Sicard,
• Christian Serre,
• Olivier Roubeau and
• Ignacio Gascón

Beilstein J. Nanotechnol. 2019, 10, 654–665, doi:10.3762/bjnano.10.65

• . Keywords: hydrophobic coating; Langmuir–Blodgett (LB) films; metal organic framework (MOF); surface modification; UiO-66-COOH(Zr); Introduction Metal organic frameworks (MOFs) are well-known, crystalline, porous materials formed by metal ions (or metallic clusters) and organic ligands coordinated in a pre

• ]. Moreover, several strategies which allow the introduction of different functional units into a single framework in a combinatorial fashion have been applied for MOF post-synthetic modification [4] in order tune and optimize MOF properties. All these features make MOFs very attractive for a wide variety of

• , which is especially interesting for the development of MOF-based devices that require the use of very small MOF quantities. In some recent studies, we have reported the fabrication at the air–water interface of dense monolayers of nanoparticles of MIL-101(Cr) and MIL-96(Al) MOFs that can be transferred

One-step nonhydrolytic sol–gel synthesis of mesoporous TiO₂ phosphonate hybrid materials

• Yanhui Wang,
• P. Hubert Mutin and
• Johan G. Alauzun

Beilstein J. Nanotechnol. 2019, 10, 356–362, doi:10.3762/bjnano.10.35

• lack of porosity of this sample likely results from the interdigitation or mixing of the alkyl chains. These mesoporous metal oxide–phosphonate materials can be seen as a low-cost alternative to periodic mesoporous organosilicas (PMOs) and metal–organic frameworks (MOFs) for applications in the field

The nanoscaled metal-organic framework ICR-2 as a carrier of porphyrins for photodynamic therapy

• Jan Hynek,
• Sebastian Jurík,
• Martina Koncošová,
• Jaroslav Zelenka,
• Ivana Křížová,
• Tomáš Ruml,
• Kaplan Kirakci,
• Ivo Jakubec,
• František Kovanda,
• Kamil Lang and
• Jan Demel

Beilstein J. Nanotechnol. 2018, 9, 2960–2967, doi:10.3762/bjnano.9.275

• Technology, Technická 5, 166 28 Prague, Czech Republic 10.3762/bjnano.9.275 Abstract Nanosized porphyrin-containing metal-organic frameworks (MOFs) attract considerable attention as solid-state photosensitizers for biological applications. In this study, we have for the first time synthesised and

• ; Introduction Metal-organic frameworks (MOFs) are a class of crystalline coordination polymers possessing potential voids. Their structures combine inorganic nodes, metal centres forming so-called secondary building units (SBU), with organic linkers. The diversity of possible SBUs coupled with organic linkers

• of variable geometry enables the preparation of a large number of structures with tuneable pore sizes, topologies, and chemical nature [1][2]. Among them, MOFs with photoactivatable properties such as luminescence and photosensitization of singlet oxygen, O2(1∆g), are particularly attractive [3][4][5

Electrospun one-dimensional nanostructures: a new horizon for gas sensing materials

• Muhammad Imran,
• Nunzio Motta and
• Mahnaz Shafiei

Beilstein J. Nanotechnol. 2018, 9, 2128–2170, doi:10.3762/bjnano.9.202

• have also been sensitized by MOFs. A Zn-based zeolite imidazole framework (Pd@ZIF-8, ≈80 nm) embedded with Pd NPs (≈2 nm) was used as a catalyst-loading platform for the efficient functionalization of a PdO@ZnO complex catalyst onto SnO2 NTs. Dual sensitized PdO@ZnO hollow SnO2 NTs (PdO@ZnO–SnO2 NTs

SO₂ gas adsorption on carbon nanomaterials: a comparative study

• Deepu J. Babu,
• Divya Puthusseri,
• Frank G. Kühl,
• Sherif Okeil,
• Michael Bruns,
• Manfred Hampe and
• Jörg J. Schneider

Beilstein J. Nanotechnol. 2018, 9, 1782–1792, doi:10.3762/bjnano.9.169

• supramolecular contacts surrounding the pore [2]. The beneficial role of hydroxy groups on SO2 adsorption was also observed in the case of flue gas adsorption on MOFs [8]. All these studies point to the fact that the presence of oxygen functionalities can certainly influence the SO2 adsorption characteristics of