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Journal articles on the topic 'Ag-MOF'

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Author: Grafiati

Published: 14 March 2023

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1

Alduhaish, Osamah M., Mohammed Rafi Shaik, and Syed Farooq Adil. "Photo-Induced Preparation of Ag@MOF-801 Composite Based Heterogeneous Nanocatalyst for the Production of Biodiesel." Catalysts 12, no. 5 (May 11, 2022): 533. http://dx.doi.org/10.3390/catal12050533.

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Hybrid materials based on metal-organic frameworks (MOFs) and nanoparticles (NPs) have gained considerable popularity in a variety of applications. Particularly, these types of materials have demonstrated excellent efficiency in heterogeneous catalysis due to the synergistic effect between the components. Herein, we report a simple, eco-friendly, photocatalytic method for the fabrication of Zr containing MOF-801 and a silver (Ag) NPs-based hybrid (Ag@MOF-801). In this method, the photocatalytic property of the central metal ion (Zr) of MOF was exploited to promote the formation and deposition of Ag NPs on the surface of the MOF-801 under the irradiation of visible light. The successful incorporation of Ag NPs was ascertained by powder X-ray diffraction (XRD) and UV-Vis analysis, while the morphology and surface area of the sample was determined by N2 adsorption–desorption and scanning electron microscopy (SEM), respectively. The resulting Ag@MOF-801 hybrid served as a highly efficient catalyst for the transesterification of used vegetable oil (UVO) for the production of biodiesel. The Ag@MOF-801 catalyst exhibited superior catalytic activity compared to its pristine MOF-801 counterpart due to the enhanced surface area of the material.

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2

Zhang, Meng, Guohui Wang, Xin Zhang, Yuqi Zheng, Shaoxiang Lee, Dong Wang, and Yang Yang. "Polyvinyl Alcohol/Chitosan and Polyvinyl Alcohol/Ag@MOF Bilayer Hydrogel for Tissue Engineering Applications." Polymers 13, no. 18 (September 17, 2021): 3151. http://dx.doi.org/10.3390/polym13183151.

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In this paper, polyvinyl alcohol/Ag-Metal-organic framework (PVA/Ag@MOF) and polyvinyl alcohol/chitosan (PVA/CS) were used as the inner and outer layers to successfully prepare a bilayer composite hydrogel for tissue engineering scaffold. The performance of bilayer hydrogels was evaluated. The outer layer (PVA/CS) has a uniform pore size distribution, good water retention, biocompatibility and cell adhesion ability. The inner layer (PVA/Ag@MOF) has good antibacterial activity and poor biocompatibility. PVA, PVA/0.1%Ag@MOF, PVA/0.5%Ag@MOF, and PVA/1.0%Ag@MOF show anti-microbial activity in ascending order. However, its use as an inner layer avoids direct contact with cells and prevents infection. The cell viability of all samples was above 90%, indicating that the bilayer hydrogel was non-toxic to A549 cells. The bilayer hydrogel scaffold combines the advantages of the inner and outer layers. In summary, this new bilayer composite is an ideal lung scaffold for tissue engineering.

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3

Seo, Hwawon, Inwon Lee, Sridhar Vadahanambi, and Hyun Park. "Metal-Organic Framework Reinforced Acrylic Polymer Marine Coatings." Materials 15, no. 1 (December 21, 2021): 27. http://dx.doi.org/10.3390/ma15010027.

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Metal-organic frameworks (MOFs), a class of crystalline, porous, 3D materials synthesized by the linking of metal nodes and organic linkers are rapidly emerging as attractive materials in gas storage, electrodes in batteries, super-capacitors, sensors, water treatment, and medicine etc. However the utility of MOFs in coatings, especially in marine coatings, has not been thoroughly investigated. In this manuscript we report the first study on silver MOF (Ag-MOF) functionalized acrylic polymers for marine coatings. A simple and rapid microwave technique was used to synthesize a two-dimensional platelet structured Ag-MOF. Field tests on the MOF reinforced marine coatings exhibited an antifouling performance, which can be attributed to the inhibition of marine organisms to settle as evidenced by the anti-bacterial activity of Ag-MOFs. Our results indicate that MOF based coatings are highly promising candidates for marine coatings.

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4

Xu, Wentao, Huaqiang Zhuang, Zehai Xu, Mianli Huang, Shangchan Gao, Qingbiao Li, and Guoliang Zhang. "Design and Construction of Ag@MOFs Immobilized PVDF Ultrafiltration Membranes with Anti-bacterial and Antifouling Properties." Advances in Polymer Technology 2020 (January 3, 2020): 1–11. http://dx.doi.org/10.1155/2020/5456707.

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In this work, Ag nanoparticle loading Mg(C10H16O4)2(H2O)2(Ag@MOF) composite material was successfully prepared by a facile strategy, and subsequently Ag-MOFs were used to modify the PVDF ultrafiltration membranes to obtain fouling resistance and higher water flux. The as-prepared PVDF membranes were systematically characterized by a series of analytical techniques such as Water Contact Angle (CA), Scanning Electron Microscopy (SEM), and SEM-mapping. Furthermore, the performance of membranes on antibacterial properties, the pure water flux, and fouling resistance was investigated in detail. Those results showed that the membrane modified by Ag@MOFs containing 30% Ag had the higher anti-bacterial performance, and the clear zone could be increased to 10 mm in comparison with that of blank membrane. Meanwhile, the pure water flux of Ag@MOF membranes increased from 85 L/m2 h to 157 L/m2 h, and the maximum membrane flux recovery rate (FRR) of 95.7% was obtained using SA as pollutant, which is attributed to the introduction of Ag@MOF composite material. Based on the above experimental results, it can be found that the Ag-MOF membranes displayed the excellent antibacterial activity, high water flux, and fine fouling resistance. This work provides a facile strategy to fabricate the Ag@MOFs modified membranes, and it shows an excellent anti-bacterial and water flux performance.

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5

Li, Bo, Yu-Ying Jiang, Ya-Ya Sun, Yan-Jiang Wang, Min-Le Han, Ya-Pan Wu, Lu-Fang Ma, and Dong-Sheng Li. "The highly selective detecting of antibiotics and support of noble metal catalysts by a multifunctional Eu-MOF." Dalton Transactions 49, no. 42 (2020): 14854–62. http://dx.doi.org/10.1039/d0dt03176c.

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A new porous MOF, Eu-MOF, can serve as a turn-off sensor for detection of ornidazole /nitrofurantoin antibiotics at different excitation wavelength. Additionally, Ag_xAu_1−x@Eu-MOF composite can remarkably catalyze the reduction of nitrophenol.

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6

Gupta, Nishesh Kumar, Jiyeol Bae, and Kwang-Soo Kim. "Role of Bimetallic Solutions in the Growth and Functionality of Cu-BTC Metal–Organic Framework." Materials 15, no. 8 (April 11, 2022): 2804. http://dx.doi.org/10.3390/ma15082804.

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Bimetallic solutions play a vital role in the growth and functionality of copper trimesate (Cu-BTC) metal–organic frameworks (MOFs). The effect of Ag+, Ca2+, Mn2+, Co2+, and Zn2+ on the growth of Cu-BTC was studied by fabricating M-Cu-BTC MOFs at room temperature using bimetallic M-Cu solutions. While Ag+ in the MOF had a rod-like morphology and surface properties, divalent cations deteriorated it. Moreover, unconventional Cu+ presence in the MOF formed a new building unit, which was confirmed in all the MOFs. Apart from Ag and Mn, no other MOF showed any presence of secondary cations in the structure. While Ag-Cu-BTC showed an improved H2S uptake capacity, other M-Cu-BTC MOFs had superior organic pollutant adsorption behavior. Thus, we have demonstrated that the physicochemical properties of Cu-BTC could be modified by growing it in bimetallic solutions.

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7

El-Yazeed, W. S. Abo, and Awad I. Ahmed. "Monometallic and bimetallic Cu–Ag MOF/MCM-41 composites: structural characterization and catalytic activity." RSC Advances 9, no. 33 (2019): 18803–13. http://dx.doi.org/10.1039/c9ra03310f.

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8

Li, Xi, Huiying Zheng, Jiehan Chen, Mengyuan Xu, Yan Bai, and Tiantian Liu. "MIL-101 (Fe) @Ag Rapid Synergistic Antimicrobial and Biosafety Evaluation of Nanomaterials." Molecules 27, no. 11 (May 29, 2022): 3497. http://dx.doi.org/10.3390/molecules27113497.

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Metal-organic frameworks (MOFs), which have become popular in recent years as excellent carriers of drugs and biomimetic materials, have provided new research ideas for fighting pathogenic bacterial infections. Although various antimicrobial metal ions can be added to MOFs with physical methods, such as impregnation, to inhibit bacterial multiplication, this is inefficient and has many problems, such as an uneven distribution of antimicrobial ions in the MOF and the need for the simultaneous addition of large doses of metal ions. Here, we report on the use of MIL-101(Fe)@Ag with efficient metal-ion release and strong antimicrobial efficiency for co-sterilization. Fe-based MIL-101(Fe) was synthesized, and then Ag+ was uniformly introduced into the MOF by the substitution of Ag+ for Fe3+. Scanning electron microscopy, powder X-ray diffraction (PXRD) Fourier transform infrared spectroscopy, and thermogravimetric analysis were used to investigate the synthesized MIL-101(Fe)@Ag. The characteristic peaks of MIL-101(Fe) and silver ions could be clearly seen in the PXRD pattern. Comparing the diffraction peaks of the simulated PXRD patterns clearly showed that MIL-101(Fe) was successfully constructed and silver ions were successfully loaded into MIL-101(Fe) to synthesize an MOF with a bimetallic structure, that is, the target product MIL-101(Fe)@Ag. The antibacterial mechanism of the MOF material was also investigated. MIL-101(Fe)@Ag exhibited low cytotoxicity, so it has potential applications in the biological field. Overall, MIL-101(Fe)@Ag is an easily fabricated structurally engineered nanocomposite with broad-spectrum bactericidal activity.

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9

Zhang, Jun, Shanli Yang, Lang Shao, Yiming Ren, Jiaolai Jiang, Huaisheng Wang, Hao Tang, Hui Deng, and Tifeng Xia. "Highly Sensitive Adsorption and Detection of Iodide in Aqueous Solution by a Post-Synthesized Zirconium-Organic Framework." Molecules 27, no. 23 (December 4, 2022): 8547. http://dx.doi.org/10.3390/molecules27238547.

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Effective methods of detection and removal of iodide ions (I−) from radioactive wastewater are urgently needed and developing them remains a great challenge. In this work, an Ag+ decorated stable nano-MOF UiO-66-(COOH)2 was developed for the I− to simultaneously capture and sense in aqueous solution. Due to the uncoordinated carboxylate groups on the UiO-66-(COOH)2 framework, Ag+ was successfully incorporated into the MOF and enhanced the intrinsic fluorescence of MOF. After adding iodide ions, Ag+ would be produced, following the formation of AgI. As a result, Ag+@UiO-66-(COOH)2 can be utilized for the removal of I− in aqueous solution, even in the presence of other common ionic ions (NO2−, NO3−, F−, SO42−). The removal capacity as high as 235.5 mg/g was calculated by Langmuir model; moreover, the fluorescence of Ag+@UiO-66-(COOH)2 gradually decreases with the deposition of AgI, which can be quantitatively depicted by a linear equation. The limit of detection toward I− is calculated to be 0.58 ppm.

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10

Wang, Xin Rui, Jing Du, Zhuo Huang, Kun Liu, Yuan Yuan Liu, Jian Zhong Huo, Zhong Yi Liu, Xiao Yu Dong, Li Li Chen, and Bin Ding. "Anion directing self-assembly of 2D and 3D water-stable silver(i) cation metal organic frameworks and their applications in real-time discriminating cysteine and DNA detection." Journal of Materials Chemistry B 6, no. 28 (2018): 4569–74. http://dx.doi.org/10.1039/c8tb01032c.

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Two water-stable silver(i) cation metal organic frameworks (MOFs), namely 2D MOF {[Ag(L)₂]BF₄}_n (1) and 3D MOF {[Ag₃(L)₃]·(H₂O)·(CF₃SO₃)₃}_n (2) (L = 1-(4-aminobenzyl)-1,2,4-triazole), have been prepared.

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11

Wang, Jingfeng, Yang Li, Yadong Qiao, Guangzhi Yu, Jinzhu Wu, Xiaohong Wu, Wei Qin, and Liang Xu. "Visible light-enhanced thermal decomposition performance of ammonium perchlorate with a metal–organic framework-derived Ag-embedded porous ZnO nanocomposite." New Journal of Chemistry 42, no. 22 (2018): 18001–9. http://dx.doi.org/10.1039/c8nj04143a.

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12

Park, Keum Hwan, Mun Ho Kim, Sang Hyuk Im, and O. Ok Park. "Electrically bistable Ag nanocrystal-embedded metal–organic framework microneedles." RSC Advances 6, no. 69 (2016): 64885–89. http://dx.doi.org/10.1039/c6ra13014c.

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Electrically bistable Ag nanocrystal-embedded metal–organic frameworks (MOF) were synthesized using a one-pot synthetic method by introducing melamine into a polyol process for the synthesis of Ag nanocrystals.

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13

Koo, Won-Tae, Hye-Yeon Jang, Chanhoon Kim, Ji-Won Jung, Jun Young Cheong, and Il-Doo Kim. "MOF derived ZnCo2O4 porous hollow spheres functionalized with Ag nanoparticles for a long-cycle and high-capacity lithium ion battery anode." Journal of Materials Chemistry A 5, no. 43 (2017): 22717–25. http://dx.doi.org/10.1039/c7ta07573a.

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14

Qiao, Zhen, Arben Kojtari, Jacob Babinec, and Hai-Feng Ji. "Synthesis of A Silver Nanowire Array on Cu-BTC MOF Micropillars." Sci 1, no. 1 (November 30, 2018): 4. http://dx.doi.org/10.3390/sci1010004.

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An array of Ag nanowires has been prepared from a facile, templated approach on Cu(BTC) (1,3,5-benzenetricarboxylic acid) metal organic framework (MOF) micropillars. The Ag-deposited scaffolding material may be used to prepare electronic or optoelectronic devices for various applications.

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15

Qiao, Zhen, Arben Kojtari, Jacob Babinec, and Hai-Feng Ji. "Synthesis of A Silver Nanowire Array on Cu-BTC MOF Micropillars." Sci 1, no. 1 (November 30, 2018): 4. http://dx.doi.org/10.3390/sci1010004.v1.

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An array of Ag nanowires has been prepared from a facile, templated approach on Cu(BTC) (1,3,5-benzenetricarboxylic acid) metal organic framework (MOF) micropillars. The Ag-deposited scaffolding material may be used to prepare electronic or optoelectronic devices for various applications.

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16

Colinas, Ian R., Kenneth K. Inglis, Frédéric Blanc, and Scott R. J. Oliver. "Anion exchange dynamics in the capture of perchlorate by a cationic Ag-based MOF." Dalton Transactions 46, no. 16 (2017): 5320–25. http://dx.doi.org/10.1039/c7dt00475c.

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The perchlorate capture process by a cationic Ag-based MOF was carefully studied using a combination of powder X-ray diffraction (PXRD), multinuclear ¹³C, ¹⁵N and ¹⁰⁹Ag solid state NMR and SEM.

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17

Liu, Jian, Denis M. Strachan, and Praveen K. Thallapally. "Enhanced noble gas adsorption in Ag@MOF-74Ni." Chem. Commun. 50, no. 4 (2014): 466–68. http://dx.doi.org/10.1039/c3cc47777k.

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18

Liu, Zhen Qian, Kejia Qiu, Hongye Bai, Fagen Wang, Yilin Ge, Weicheng Cui, Guoli Zheng, Jianguo Cui, and Weiqiang Fan. "Ni-MOF in-situ Decorating ZnO photoelectrode for photoelectrochemical water splitting." Functional Materials Letters 11, no. 04 (August 2018): 1850085. http://dx.doi.org/10.1142/s1793604718500856.

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The Ni-MOF as co-catalyst has been in-situ introduced on the surface of ZnO photoelectrode by chemical etching method for the first time, and the unique organic/inorganic heterostructure (Ni-MOF/ZnO) was applied for photoelectrochemical water splitting. The Ni-MOF could work as special co-catalyst to improve the kinetic and charges separation of ZnO electrode, and the photocurrent density of Ni-MOF/ZnO has increased to about 1.8 times than that of bare ZnO. The IPCE value of Ni-MOF/ZnO has been enhanced up to 11% (355[Formula: see text]nm, 0.5[Formula: see text]V vs Ag/AgCl). The proposed mechanism of charges transfer has been also discussed in-depth, according to the photoelectrochemical performance.

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19

Terrón, Angel, Llorenç Tomàs, Antonio Bauzá, Angel García-Raso, Juan J. Fiol, Elies Molins, and Antonio Frontera. "The first X-ray structure of a silver–nucleotide complex: interaction of ion Ag(i) with cytidine-5′-monophosphate." CrystEngComm 19, no. 39 (2017): 5830–34. http://dx.doi.org/10.1039/c7ce01400g.

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The synthesis and X-ray characterization of an unprecedented complex of Ag(i) with cytidine-5′-monophosphate (HCMP) is reported. The coordination of Ag(i) to HCMP is via both the N3 and O2 atoms of two cytosine moieties and the phosphate group, generating a MOF.

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20

Hayati, Payam, Zohreh Mehrabadi, Mehdi Karimi, Jan Janczak, Khosro Mohammadi, Ghodrat Mahmoudi, Fatemeh Dadi, Mohammad Jaafar Soltanian Fard, Amir Hasanzadeh, and Sadegh Rostamnia. "Photocatalytic activity of new nanostructures of an Ag(i) metal–organic framework (Ag-MOF) for the efficient degradation of MCPA and 2,4-D herbicides under sunlight irradiation." New Journal of Chemistry 45, no. 7 (2021): 3408–17. http://dx.doi.org/10.1039/d0nj02460k.

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A new Ag(i) metal–organic framework (Ag-MOF) [Ag(p-OH-C₆H₄COOH)₂(NO₃)]_n [Ag(PHBA)₂(NO₃)]_n, (1) (PHBA: C₈H₆O₄ {p-hydroxybenzoic acid}) was synthesized using two different methods; the laying method (single crystal) and sonochemical irradiation (nanostructures).

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21

Lin, Xiaoling, Mengling Zhang, Mengmeng Zhu, Hui Huang, Chunfeng Shi, Yang Liu, and Zhenhui Kang. "Engineering a polyoxometalate-based metal organic framework with more exposed active edge sites of Ag for visible light-driven selective oxidation of cis-cyclooctene." Inorganic Chemistry Frontiers 5, no. 10 (2018): 2493–500. http://dx.doi.org/10.1039/c8qi00648b.

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22

Kassymova, Meruyert, Alaric de Mahieu, Somboon Chaemchuen, Patrick Demeyere, Bibimaryam Mousavi, Serge Zhuiykov, Mekhman S. Yusubov, and Francis Verpoort. "Post-synthetically modified MOF for the A3-coupling reaction of aldehyde, amine, and alkyne." Catalysis Science & Technology 8, no. 16 (2018): 4129–40. http://dx.doi.org/10.1039/c8cy00662h.

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23

Zhuang, Pengfei, Peng Zhang, Kuo Li, Beena Kumari, Dan Li, and Xifan Mei. "Silver Nanoclusters Encapsulated into Metal–Organic Frameworks for Rapid Removal of Heavy Metal Ions from Water." Molecules 24, no. 13 (July 3, 2019): 2442. http://dx.doi.org/10.3390/molecules24132442.

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Metal nanomaterials have been reported as effective absorbents for the removal of pollutants in the water system, but the release of ions from these nanomaterials brings another concern. Herein, silver nanoclusters (AgNCs) were encapsulated in porous metal-organic frameworks of ZIF-8 (MOF-AgNCs). Compared to AgNCs, the release of Ag+ significantly decreases from MOF-AgNCs, indicating that the product presents a lower threat to the environment. The MOF-AgNCs were employed for the rapid removal of heavy metals, such as Pb2+ and Mn2+, from water. The mechanism and removal efficiencies were investigated.

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24

Gupta, Nishesh Kumar, Jiyeol Bae, and Kwang Soo Kim. "Bimetallic Ag–Cu-trimesate metal–organic framework for hydrogen sulfide removal." New Journal of Chemistry 45, no. 47 (2021): 22466–77. http://dx.doi.org/10.1039/d1nj04601b.

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25

Sun, Xiaojun, Qi Yu, Fengming Zhang, Jinzhi Wei, and Ping Yang. "A dye-like ligand-based metal–organic framework for efficient photocatalytic hydrogen production from aqueous solution." Catalysis Science & Technology 6, no. 11 (2016): 3840–44. http://dx.doi.org/10.1039/c5cy01716e.

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26

Cui, Liping, Kai Yu, Jinghua Lv, Changhong Guo, and Baibin Zhou. "A 3D POMOF based on a {AsW12} cluster and a Ag-MOF with interpenetrating channels for large-capacity aqueous asymmetric supercapacitors and highly selective biosensors for the detection of hydrogen peroxide." Journal of Materials Chemistry A 8, no. 43 (2020): 22918–28. http://dx.doi.org/10.1039/d0ta08759a.

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27

Cheng, Jun-Yan, Peng Wang, Jian-Ping Ma, Qi-Kui Liu, and Yu-Bin Dong. "A nanoporous Ag(i)-MOF showing unique selective adsorption of benzene among its organic analogues." Chem. Commun. 50, no. 89 (2014): 13672–75. http://dx.doi.org/10.1039/c4cc03204g.

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28

Liu, Ying, Yucai Wan, Chuncai Kong, Pan Cheng, Qin Cheng, Qiongzhen Liu, Ke Liu, Ming Xia, Qihao Guo, and Dong Wang. "Caterpillar-like Ag–ZnO–C hollow nanocomposites for efficient solar photocatalytic degradation and disinfection." Environmental Science: Nano 9, no. 3 (2022): 975–87. http://dx.doi.org/10.1039/d1en00943e.

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29

Zhang, Meng, Dong Wang, Nana Ji, Shaoxiang Lee, Guohui Wang, Yuqi Zheng, Xin Zhang, Lin Yang, Zhiwei Qin, and Yang Yang. "Bioinspired Design of Sericin/Chitosan/Ag@MOF/GO Hydrogels for Efficiently Combating Resistant Bacteria, Rapid Hemostasis, and Wound Healing." Polymers 13, no. 16 (August 21, 2021): 2812. http://dx.doi.org/10.3390/polym13162812.

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Due to the spread of drug-resistant bacteria in hospitals, the development of antibacterial dressings has become a strategy to control wound infections caused by bacteria. Here, we reported a green strategy for in situ biomimetic syntheses of silver nanoparticles@organic frameworks/graphene oxide (Ag@MOF–GO) in sericin/chitosan/polyvinyl alcohol hydrogel. Ag@MOF–GO was synthesized in situ from the redox properties of tyrosine residues in silk sericin without additional chemicals, similar to a biomineralization process. The sericin/chitosan/Ag@MOF–GO dressing possessed a high porosity, good water retention, and a swelling ratio. The hemolysis rate of the composite was 3.9% and the cell viability rate was 131.2%, which indicated the hydrogel possessed good biocompatibility. The composite also showed excellent lasting antibacterial properties against drug-sensitive and drug-resistant pathogenic bacteria. The composite possessed excellent hemostatic activity. The coagulation effect of the composite may be related to its effect on the red blood cells and platelets, but it has nothing to do with the activation of coagulation factors. An in vitro cell migration assay confirmed and an in vivo evaluation of mice indicated that the composite could accelerate wound healing and re-epithelialization. In summary, the composite material is an ideal dressing for accelerating hemostasis, preventing bacterial infection, and promoting wound healing.

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30

Qi, Xian-xian, Jing-hua Lv, Kai Yu, He Zhang, Zhan-hua Su, Lu Wang, Chun-mei Wang, and Bai-bin Zhou. "The first 3D host–guest structure based on a three-fold interpenetrated Ag-pz coordination polymer network and Keggin-type aluminum tungstates with photo/electro-catalytic properties." RSC Advances 6, no. 76 (2016): 72544–50. http://dx.doi.org/10.1039/c6ra15196e.

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31

Chang, Ganggang, Minhui Huang, Ye Su, Huabin Xing, Baogen Su, Zhiguo Zhang, Qiwei Yang, et al. "Immobilization of Ag(i) into a metal–organic framework with –SO3H sites for highly selective olefin–paraffin separation at room temperature." Chemical Communications 51, no. 14 (2015): 2859–62. http://dx.doi.org/10.1039/c4cc09679g.

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32

Cati, Dilovan S., and Helen Stoeckli-Evans. "The silver(I) nitrate complex of the ligandN-(pyridin-2-ylmethyl)pyrazine-2-carboxamide: a metal–organic framework (MOF) structure." Acta Crystallographica Section E Crystallographic Communications 73, no. 4 (March 21, 2017): 535–38. http://dx.doi.org/10.1107/s2056989017003930.

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The reaction of silver(I) nitrate with the mono-substituted pyrazine carboxamide ligand,N-(pyridin-2-ylmethyl)pyrazine-2-carboxamide (L), led to the formation of the title compound with a metal–organic framework (MOF) structure, [Ag(C11H10N4O)(NO3)]n, poly[μ-nitrato-[μ-N-(pyridin-2-ylmethyl-κN)pyrazine-2-carboxamide-κN4]silver(I)]. The silver(I) atom is coordinated by a pyrazine N atom, a pyridine N atom, and two O atoms of two symmetry-related nitrate anions. It has a fourfold N2O2coordination sphere, which can be described as distorted trigonal–pyramidal. The ligands are bridged by the silver atoms forming–Ag–L–Ag–L–zigzag chains along thea-axis direction. The chains are arranged in pairs related by a twofold screw axis. They are linkedviathe nitrate anions, which bridge the silver(I) atoms in a μ2fashion, forming the MOF structure. Within the framework there are N—H...O and C—H...O hydrogen bonds present.

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33

Zhong, Yuan-Hui, Yonghe He, Hua-Qun Zhou, Sai-Li Zheng, Qi Zeng, Lai-Hon Chung, Wei-Ming Liao, and Jun He. "Enhanced stability and colorimetric detection on Ag(i) ions of a methylthio-functionalized Zn(ii) metal–organic framework." Journal of Materials Chemistry C 9, no. 15 (2021): 5088–92. http://dx.doi.org/10.1039/d1tc01043c.

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34

Su, Chang, Qingyuan Song, Ding Jiang, Chunping Dong, Xueling Shan, and Zhidong Chen. "An electrochemiluminescence aptasensor for diethylstilbestrol assay based on resonance energy transfer between Ag3PO4-Cu-MOF(ii) and silver nanoparticles." Analyst 146, no. 13 (2021): 4254–60. http://dx.doi.org/10.1039/d1an00599e.

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A novel electrochemiluminescence (ECL) aptasensor based on resonance energy transfer between Ag₃PO₄-Cu-MOF(ii) and silver nanoparticles for the determination of diethylstilbestrol.

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35

Zhou, Tianhong, Guozhen Zhang, Hongwei Zhang, Hao Yang, Pengjun Ma, Xiaoting Li, Xiaoli Qiu, and Gang Liu. "Highly efficient visible-light-driven photocatalytic degradation of rhodamine B by a novel Z-scheme Ag3PO4/MIL-101/NiFe2O4 composite." Catalysis Science & Technology 8, no. 9 (2018): 2402–16. http://dx.doi.org/10.1039/c8cy00182k.

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An Ag₃PO₄/MIL-101/NiFe₂O₄ composite was fabricated by an in situ precipitation method. The results implied that introduction of the MOF enhanced the rapid transfer of electrons from Ag₃PO₄ to NiFe₂O₄.

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36

Qu, Xiao-Ni, Sheng Zhang, Bo-Zhou Wang, Qi Yang, Jing Han, Qing Wei, Gang Xie, and San-Ping Chen. "An Ag(i) energetic metal–organic framework assembled with the energetic combination of furazan and tetrazole: synthesis, structure and energetic performance." Dalton Transactions 45, no. 16 (2016): 6968–73. http://dx.doi.org/10.1039/c6dt00218h.

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A novel 3D Ag(i) energetic MOF assembled with a furazan derivative (4,4′-oxybis[3,3′-(1H-5-tetrazol)]furazan) shows low sensitivity, good thermostability and ultrahigh detonation pressure and detonation velocity.

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37

Hu, Yinchun, Hui Yang, Renhu Wang, and Menglan Duan. "Fabricating Ag@MOF-5 nanoplates by the template of MOF-5 and evaluating its antibacterial activity." Colloids and Surfaces A: Physicochemical and Engineering Aspects 626 (October 2021): 127093. http://dx.doi.org/10.1016/j.colsurfa.2021.127093.

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Kuang, Xuan, Sujuan Ye, Xiangyuan Li, Yu Ma, Caiyun Zhang, and Bo Tang. "A new type of surface-enhanced Raman scattering sensor for the enantioselective recognition of d/l-cysteine and d/l-asparagine based on a helically arranged Ag NPs@homochiral MOF." Chemical Communications 52, no. 31 (2016): 5432–35. http://dx.doi.org/10.1039/c6cc00320f.

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For the first time, we report the synthesis of Ag NPs arranged in a helical structure on a chiral MOF. This material can serve as a new type of SERS sensor for the efficient recognition of enantiomers.

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Abd El Salam, H. M., Hussein N. Nassar, Amal S. A. Khidr, and T. Zaki. "Antimicrobial Activities of Green Synthesized Ag Nanoparticles @ Ni-MOF Nanosheets." Journal of Inorganic and Organometallic Polymers and Materials 28, no. 6 (August 12, 2018): 2791–98. http://dx.doi.org/10.1007/s10904-018-0950-4.

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Mistry, Liam, Osama El-Zubir, Thomas Pope, Paul G. Waddell, Nicholas Wright, Werner A. Hofer, Benjamin R. Horrocks, and Andrew Houlton. "Silver–Cytidine Coordination Polymer: Electrical Properties, Modulating Intrachain Ag···Ag Distance, and MOF–Nanosheet Transformation." Crystal Growth & Design 21, no. 8 (July 13, 2021): 4398–405. http://dx.doi.org/10.1021/acs.cgd.1c00330.

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Liu, Ying, Jianmin Lu, Qianxiao Zhang, Yajie Bai, Xuliang Pang, Song Wang, Hongye Bai, and Weiqiang Fan. "Charge-transfer dynamics at a Ag/Ni-MOF/Cu2O heterostructure in photoelectrochemical NH3 production." Chemical Communications 57, no. 65 (2021): 8031–34. http://dx.doi.org/10.1039/d1cc01672e.

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The charge-transfer dynamics of Ag/Ni-MOF/Cu₂O were first demonstrated by ultrafast transient absorption spectroscopy. DFT calculations further reveal the superior pathway for N₂ reduction over the unsaturated Ni²⁺ sites.

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42

Yang, Zongchao, Tao Liu, Wen Wang, and Limin Zhang. "Stacked hexagonal prism of Ag@Ni-MOF-1 as functionalized SERS platform through rational integration of catalytic synthesis of dopamine-quinone at physiological pH with a biomimetic route." Chemical Communications 56, no. 20 (2020): 3065–68. http://dx.doi.org/10.1039/c9cc09145a.

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A stacked hexagonal prism, Ag@Ni-MOF-1, was developed as an integrated SERS platform not only for in situ catalyzing in situ synthesis of DA-quinone at physiological pH, but for establishing an approach for specific determination of Cys in brain.

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Lee, Junhyung. "MOF-derived 1D hollow bimetallic iron(iii) oxide nanorods: effects of metal-addition on phase transition, morphology and magnetic properties." CrystEngComm 22, no. 46 (2020): 8081–87. http://dx.doi.org/10.1039/d0ce01440k.

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It is demonstrated that 1D hollow bimetallic iron oxide nanorods containing Mn, Ru, Ni, La and Ag ions can be obtained regardless of the different values of ionic radius and hardness of metal dopants from NH₄OH-etched MIL-88A MOF particles.

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Chen, Liyu, Binbin Huang, Xuan Qiu, Xi Wang, Rafael Luque, and Yingwei Li. "Seed-mediated growth of MOF-encapsulated Pd@Ag core–shell nanoparticles: toward advanced room temperature nanocatalysts." Chemical Science 7, no. 1 (2016): 228–33. http://dx.doi.org/10.1039/c5sc02925b.

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Core–shell Pd@Ag nanoparticles are formed within the pores of MOFs via a seed mediated growth strategy with activated hydrogen atoms as the reducing agent, leading to a family of bimetallic core–shell MOF nanomaterials with excelling catalytic performance in room temperature reactions.

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Zhu, Jiaping, Jielai Xu, Chaojian Yao, Tong Zhan, Weibing Liu, and Hua Tan. "A new 3D Ag(i)-based high-energy metal organic frameworks (HE-MOFs): synthesis, crystal structure and explosive performance." New Journal of Chemistry 45, no. 7 (2021): 3552–58. http://dx.doi.org/10.1039/d0nj05744d.

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A new 3D HE-MOF, [Ag₂(TABT)(NO₃)₂]_n, where TABT represents 4,4′,5,5′-tetraamine-3,3′-bis-1,2,4-triazole, was synthesized by hydrothermal method, exhibiting high density, good thermostability, insensitivity and relative high detonation performance.

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Wang, Da, Ying Zhu, Weiting Yu, Zhiqiao He, Feilong Dong, Yi Shen, Tao Zeng, et al. "Ag-MOF-derived 3D Ag dendrites used for the efficient electrocatalytic reduction of CO2 to CO." Electrochimica Acta 403 (January 2022): 139652. http://dx.doi.org/10.1016/j.electacta.2021.139652.

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Chang, Wei, Dandan Zheng, Chaosheng Zhao, and Yixin Yang. "Photocatalytic Activity of MOF-derived Cu2O/Cu/C/Ag Porous Composites." South African Journal of Chemistry 72 (2019): 10–15. http://dx.doi.org/10.17159/0379-4350/2019/v72a2.

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Cao, Jinzhi, Jianhua Yun, Nianhua Zhang, Yongming Wei, Hu Yang, and Zhenliang Xu. "Bifunctional Ag@Ni-MOF for high performance supercapacitor and glucose sensor." Synthetic Metals 282 (December 2021): 116931. http://dx.doi.org/10.1016/j.synthmet.2021.116931.

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Shen, Xingyu, Chao Han, Xinwei Tao, Mingting Zhang, Dandan Meng, Ling Weng, Junwang Liu, and Lizhu Guan. "Preparation and dielectric properties of multilayer Ag@FeNi-MOF/PVDF composites." Journal of Materials Science: Materials in Electronics 33, no. 8 (January 20, 2022): 5311–24. http://dx.doi.org/10.1007/s10854-022-07722-y.

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Ma, Dongling. "(Invited) Towards Broadband Solar Fuel Production." ECS Meeting Abstracts MA2022-02, no. 48 (October 9, 2022): 1804. http://dx.doi.org/10.1149/ma2022-02481804mtgabs.

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Combining nanomaterials of different properties into nanohybrids can potentially lead to improved properties/performance or multiple functions. In particular, forming nanomaterials junctions and using plasmons represent two important, promising strategies for realizing broadband photocalysis in strategically important applications such as solar fuels and photocatalytic degradation of pollutants in our environments. In this talk, I will present some of our recent work on the rational design and realization of nanohybrid materials as well as their applications in solar fuel and photocatalysis. For instance, the construction of homojunctions of nanoplates made of metal–organic frameworks (MOF) led to broadened light absorption and increased photoactivity. The well-defined MOF homojunction was prepared by a facile one-pot synthesis route directed by hollow transition metal nanoparticles. The homojunction is enabled by two concentric stacked nanoplates with slightly different crystal phases. The enhanced charge separation in the homojunction was visualized by in-situ surface photovoltage microscopy. The as-prepared nanostacks displayed a visible-light-driven carbon dioxide reduction with very high carbon monooxide selectivity, and excellent stability. Another example is about the in situ synthesis of plasmonic Ag nanoparticles (AgNPs) and Ag-MOM (metal organic matrix) using one-step facile approach. The intimate and stable interface between the AgNPs and Ag-MOM and hot electron transfer from the plasmonic AgNPs to MOM led to highly efficient visible-light photocatalytic H2 generation in aqueous solution, which surpasses most of reported MOF-based photocatalytic systems. This work sheds light on effective electronic and energy bridging between plasmonic NPs and metal organic matrix. Related References: [1] Nature communications, 12, Article number: 1231 (2021); [2] Nature communications, 2022, under revision; [3] Chemistry of Materials, 2021, 33, 695-705; [4] Adv. Funct. Mater. 2019, 1902486.

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