1
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Ahmad A, Noor AE, Anwar A, Majeed S, Khan S, Ul Nisa Z, Ali S, Gnanasekaran L, Rajendran S, Li H. Support based metal incorporated layered nanomaterials for photocatalytic degradation of organic pollutants. ENVIRONMENTAL RESEARCH 2024; 260:119481. [PMID: 38917930 DOI: 10.1016/j.envres.2024.119481] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/20/2023] [Revised: 04/22/2024] [Accepted: 06/21/2024] [Indexed: 06/27/2024]
Abstract
An effective approach to producing sophisticated miniaturized and nanoscale materials involves arranging nanomaterials into layered hierarchical frameworks. Nanostructured layered materials are constructed to possess isolated propagation assets, massive surface areas, and envisioned amenities, making them suitable for a variety of established and novel applications. The utilization of various techniques to create nanostructures adorned with metal nanoparticles provides a secure alternative or reinforcement for the existing physicochemical methods. Supported metal nanoparticles are preferred due to their ease of recovery and usage. Researchers have extensively studied the catalytic properties of noble metal nanoparticles using various selective oxidation and hydrogenation procedures. Despite the numerous advantages of metal-based nanoparticles (NPs), their catalytic potential remains incompletely explored. This article examines metal-based nanomaterials that are supported by layers, and provides an analysis of their manufacturing, procedures, and synthesis. This study incorporates both 2D and 3D layered nanomaterials because of their distinctive layered architectures. This review focuses on the most common metal-supported nanocomposites and methodologies used for photocatalytic degradation of organic dyes employing layered nanomaterials. The comprehensive examination of biological and ecological cleaning and treatment techniques discussed in this article has paved the way for the exploration of cutting-edge technologies that can contribute to the establishment of a sustainable future.
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Affiliation(s)
- Awais Ahmad
- Department of Chemistry, The University of Lahore, Lahore Pakistan
| | - Arsh E Noor
- Department of Environmental Sciences, Government College University Faisalabad, Faisalabad, 38000, Pakistan
| | - Aneela Anwar
- Biomedical Engineering Department, Stevens Institute of Technology, Hoboken, NJ, 07030, USA
| | - Saadat Majeed
- Institute of Chemical Sciences, Bahauddin Zakariya University, Multan, 60800, Pakistan
| | - Safia Khan
- Shandong Technology Centre of Nanodevices and Integration, School of Microelectronics, Shandong University, Jinan, 250101, China
| | - Zaib Ul Nisa
- Department of Zoology, Government College University Faisalabad, Pakistan.
| | - Shafaqat Ali
- Department of Environmental Sciences, Government College University Faisalabad, Faisalabad, 38000, Pakistan; Department of Biological Sciences and Technology, China Medical University, Taichung, 40402, Taiwan.
| | - Lalitha Gnanasekaran
- Departamento de Ingeniería Mecánica, Facultad de Ingeniería, Universidad de Tarapacá, Avda. General Velásquez 1775, Arica, Chile
| | - Saravanan Rajendran
- Departamento de Ingeniería Mecánica, Facultad de Ingeniería, Universidad de Tarapacá, Avda. General Velásquez 1775, Arica, Chile
| | - Hu Li
- Shandong Technology Centre of Nanodevices and Integration, School of Microelectronics, Shandong University, Jinan, 250101, China
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2
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Zhai H, Wei Z, Jing X, Duan C. A Porphyrin-Faced Zn 8L 6 Cage for Selective Oxidation of C(sp 3)-H Bonds and Sulfides. Inorg Chem 2024; 63:14375-14382. [PMID: 39038208 DOI: 10.1021/acs.inorgchem.4c01009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/24/2024]
Abstract
Catalytic oxidation of benzyl C-H bonds and sulfides from fuel oils stands as an attractive proposition in the quest for clean energy, yet their simultaneous oxidation with a singular, economically friendly catalyst is not well established. In this work, the combination of a cobalt(II) porphyrin ligand with 2-pyridinecarboxaldehyde and ZnII yielded a Zn8L6 cage (Co cube). The three-dimensional conjugated structure effectively enhances energy transfer efficiency, enabling the Co cube to show a good ability to activate oxygen under light conditions for photooxidation. Moreover, this catalytic system demonstrates high selectivity for the photocatalytic oxidation of C(sp3)-H bonds and sulfides, employing the Co cube as a single component catalyst, molecular oxygen as the oxidant, and activating oxygen into 1O2 under mild reaction conditions. This provides significant insights for organic synthesis and future design of photocatalysts with complex molecular components.
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Affiliation(s)
- Haoyu Zhai
- School of Chemistry, State Key Laboratory of Fine Chemicals, Dalian University of Technology, Dalian 116024, PR China
| | - Zhong Wei
- School of Chemistry, State Key Laboratory of Fine Chemicals, Dalian University of Technology, Dalian 116024, PR China
| | - Xu Jing
- School of Chemistry, State Key Laboratory of Fine Chemicals, Dalian University of Technology, Dalian 116024, PR China
| | - Chunying Duan
- School of Chemistry, State Key Laboratory of Fine Chemicals, Dalian University of Technology, Dalian 116024, PR China
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3
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Liu Y, Qin Y, Gao J, Huang B. The Phase Control of Transition Metallic Elements via Facile Chemical and Physical Syntheses. CHEM REC 2024; 24:e202300378. [PMID: 38501857 DOI: 10.1002/tcr.202300378] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/25/2023] [Revised: 02/19/2024] [Indexed: 03/20/2024]
Abstract
The crystal phases of metals are important factors to tune the properties of metals, and therefore received extensive attention. Traditionally, phase control is performed within limited numbers of elements by harsh conditions, such as face-centered cubic Fe by high temperature. This review summarizes most reports in metal phase control area, including elements of Fe, Co, Ni, Cu, Ru, Pd, Rh, Os and Au. For every metallic element, the facile phase control methods are systematically introduced, such as epitaxial growth, ball milling, chemical reduction, etc. Their corresponding applications and the mechanisms for phase control are thoroughly discussed.
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Affiliation(s)
- Yuhan Liu
- Institute of Chemical Engineering and Technology, Xi'an Jiaotong University, Xi'an, 712000, China
| | - Ying Qin
- Institute of Chemical Engineering and Technology, Xi'an Jiaotong University, Xi'an, 712000, China
| | - Junyun Gao
- Institute of Chemical Engineering and Technology, Xi'an Jiaotong University, Xi'an, 712000, China
| | - Bo Huang
- Institute of Chemical Engineering and Technology, Xi'an Jiaotong University, Xi'an, 712000, China
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4
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Chen H, Ding R, Liu BW, Zeng FR, Zhao HB. Electrocatalytic Coenhancement of Bimetallic Polyphthalocyanine-Anchored Ru Nanoclusters Enabling Efficient Overall Water Splitting at Ampere-Level Current Densities. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024; 20:e2306274. [PMID: 37759380 DOI: 10.1002/smll.202306274] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/25/2023] [Revised: 09/19/2023] [Indexed: 09/29/2023]
Abstract
Efficient electrocatalysts capable of operating continuously at industrial ampere-level current densities are crucial for large-scale applications of electrocatalytic water decomposition for hydrogen production. However, long-term industrial overall water splitting using a single electrocatalyst remains a major challenge. Here, bimetallic polyphthalocyanine (FeCoPPc)-anchored Ru nanoclusters, an innovative electrocatalyst comprising the hydrogen evolution reaction (HER) active Ru and the oxygen evolution reaction (OER) active FeCoPPc, engineered for efficient overall water splitting are demonstrated. By density functional theory calculations and systematic experiments, the electrocatalytic coenhancement effect resulting from unique charge redistribution, which synergistically boosts the HER activity of Ru and the OER activity of FeCoPPc by optimizing the adsorption energy of intermediates, is unveiled. As a result, even at a large current density of 2.0 A cm-2 , the catalyst exhibits low overpotentials of 220 and 308 mV, respectively, for HER and OER. It exhibits excellent stability, requiring only 1.88 V of cell voltage to achieve a current density of 2.0 A cm-2 in a 6.0 m KOH electrolyte at 70 °C, with a remarkable operational stability of over 100 h. This work provides a new electrocatalytic coenhancement strategy for the design and synthesis of electrocatalyst, paving the way for industrial-scale overall water splitting applications.
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Affiliation(s)
- Hao Chen
- The Collaborative Innovation Center for Eco-Friendly and Fire-Safety Polymeric Materials, National Engineering Laboratory of Eco-Friendly Polymeric Materials (Sichuan), College of Chemistry, Sichuan University., No. 24, South Section 1, Yihuan Road, Chengdu, Sichuan, 610064, China
| | - Rong Ding
- The Collaborative Innovation Center for Eco-Friendly and Fire-Safety Polymeric Materials, National Engineering Laboratory of Eco-Friendly Polymeric Materials (Sichuan), College of Chemistry, Sichuan University., No. 24, South Section 1, Yihuan Road, Chengdu, Sichuan, 610064, China
| | - Bo-Wen Liu
- The Collaborative Innovation Center for Eco-Friendly and Fire-Safety Polymeric Materials, National Engineering Laboratory of Eco-Friendly Polymeric Materials (Sichuan), College of Chemistry, Sichuan University., No. 24, South Section 1, Yihuan Road, Chengdu, Sichuan, 610064, China
| | - Fu-Rong Zeng
- The Collaborative Innovation Center for Eco-Friendly and Fire-Safety Polymeric Materials, National Engineering Laboratory of Eco-Friendly Polymeric Materials (Sichuan), College of Chemistry, Sichuan University., No. 24, South Section 1, Yihuan Road, Chengdu, Sichuan, 610064, China
| | - Hai-Bo Zhao
- The Collaborative Innovation Center for Eco-Friendly and Fire-Safety Polymeric Materials, National Engineering Laboratory of Eco-Friendly Polymeric Materials (Sichuan), College of Chemistry, Sichuan University., No. 24, South Section 1, Yihuan Road, Chengdu, Sichuan, 610064, China
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5
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Xiao Z, Lin H, Drake HF, Diaz J, Zhou HC, Pellois JP. Investigating the Cell Entry Mechanism, Disassembly, and Toxicity of the Nanocage PCC-1: Insights into Its Potential as a Drug Delivery Vehicle. J Am Chem Soc 2023; 145:27690-27701. [PMID: 38069810 PMCID: PMC10863074 DOI: 10.1021/jacs.3c09918] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2023] [Revised: 11/27/2023] [Accepted: 11/29/2023] [Indexed: 12/21/2023]
Abstract
The porous coordination cage PCC-1 represents a new platform potentially useful for the cellular delivery of drugs with poor cell permeability and solubility. PCC-1 is a metal-organic polyhedron constructed from zinc metal ions and organic ligands through coordination bonds. PCC-1 possesses an internal cavity that is suitable for drug encapsulation. To better understand the biocompatibility of PCC-1 with human cells, the cell entry mechanism, disassembly, and toxicity of the nanocage were investigated. PCC-1 localizes in the nuclei and cytoplasm within minutes upon incubation with cells, independent of endocytosis and cargo, suggesting direct plasma membrane translocation of the nanocage carrying its guest in its internal cavity. Furthermore, the rates of cell entry correlate to extracellular concentrations, indicating that PCC-1 is likely diffusing passively through the membrane despite its relatively large size. Once inside cells, PCC-1 disintegrates into zinc metal ions and ligands over a period of several hours, each component being cleared from cells within 1 day. PCC-1 is relatively safe for cells at low micromolar concentrations but becomes inhibitory to cell proliferation and toxic above a concentration or incubation time threshold. However, cells surviving these conditions can return to homeostasis 3-5 days after exposure. Overall, these findings demonstrate that PCC-1 enters live cells by crossing biological membranes spontaneously. This should prove useful to deliver drugs that lack this capacity on their own, provided that the dosage and exposure time are controlled to avoid toxicity.
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Affiliation(s)
- Zhifeng Xiao
- Department
of Chemistry, Texas A&M University, College Station, Texas 77843, United States
| | - Hengyu Lin
- Department
of Chemistry, Texas A&M University, College Station, Texas 77843, United States
| | - Hannah F. Drake
- Department
of Chemistry, Texas A&M University, College Station, Texas 77843, United States
| | - Joshua Diaz
- Department
of Biochemistry and Biophysics, Texas A&M
University, College
Station, Texas 77843, United States
| | - Hong-Cai Zhou
- Department
of Chemistry, Texas A&M University, College Station, Texas 77843, United States
| | - Jean-Philippe Pellois
- Department
of Biochemistry and Biophysics, Texas A&M
University, College
Station, Texas 77843, United States
- Department
of Chemistry, Texas A&M University, College Station, Texas 77843, United States
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6
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Peng Y, Su Z, Jin M, Zhu L, Guan ZJ, Fang Y. Recent advances in porous molecular cages for photocatalytic organic conversions. Dalton Trans 2023; 52:15216-15232. [PMID: 37492891 DOI: 10.1039/d3dt01679j] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/27/2023]
Abstract
Photocatalytic organic conversion is considered an efficient, environmentally friendly, and energy-saving strategy for organic synthesis. In recent decades, the molecular cage has emerged as a creative functional material with broad applications in host-guest recognition, drug delivery, catalysis, intelligent materials and other fields. Based on the unique properties of porous molecular cage materials, they provide an ideal platform for leveraging pre-structuring in catalytic reactions and show great potential in various photocatalytic organic reactions. As a result, they have emerged as promising alternatives to conventional molecules or inorganic photocatalysts in redox processes. In this Review, the synthesis strategies based on coordination cages and organic cages, as well as their recent progress in photocatalytic organic conversion, are comprehensively summarized. Finally, we deliver the persistent challenges associated with porous molecular cage compounds that need to be overcome for further development in this field.
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Affiliation(s)
- Yaoyao Peng
- College of Chemistry and Chemical Engineering, Hunan University, Changsha, China
| | - Zhifang Su
- College of Chemistry and Chemical Engineering, Hunan University, Changsha, China
| | - Meng Jin
- College of Chemistry and Chemical Engineering, Hunan University, Changsha, China
| | - Lei Zhu
- College of Chemistry and Chemical Engineering, Hunan University, Changsha, China
| | - Zong-Jie Guan
- College of Chemistry and Chemical Engineering, Hunan University, Changsha, China
| | - Yu Fang
- College of Chemistry and Chemical Engineering, Hunan University, Changsha, China
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7
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Liang Y, Yang X, Wang X, Guan ZJ, Xing H, Fang Y. A cage-on-MOF strategy to coordinatively functionalize mesoporous MOFs for manipulating selectivity in adsorption and catalysis. Nat Commun 2023; 14:5223. [PMID: 37634039 PMCID: PMC10460432 DOI: 10.1038/s41467-023-40973-9] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2022] [Accepted: 08/15/2023] [Indexed: 08/28/2023] Open
Abstract
Functionalizing porous materials with capping agents generates hybrid materials with enhanced properties, while the challenge is how to improve the selectivity and maintain the porosity of the parent framework. Herein, we developed a "Cage-on-MOF" strategy to tune the recognition and catalytic properties of MOFs without impairing their porosity. Two types of porous coordination cages (PCCs) of opposite charges containing secondary binding groups were developed to coordinatively functionalize two distinct porous MOFs, namely MOF@PCC nanocomposites. We demonstrated that the surface-capped PCCs can act as "modulators" to effectively tune the surface charge, stability, and adsorption behavior of different host MOF particles. More importantly, the MOF@PCCs can serve as selective heterogeneous catalysts for condensation reactions to achieve reversed product selectivity and excellent recyclability. This work sets the foundation for using molecular cages as porous surface-capping agents to functionalize and manipulate another porous material, without affecting the intrinsic properties of the parent framework.
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Affiliation(s)
- Yu Liang
- State Key Laboratory of Chemo/Bio-Sensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha, 410082, Hunan, China
- Innovation Institute of Industrial Design and Machine Intelligence Quanzhou-Hunan University, Quanzhou, 362801, Fujian, China
| | - Xiaoxin Yang
- State Key Laboratory of Chemo/Bio-Sensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha, 410082, Hunan, China
- Institute of Chemical Biology and Nanomedicine, Hunan University, Changsha, 410082, Hunan, China
| | - Xiaoyu Wang
- Kuang Yaming Honors School, Nanjing University, Nanjing, 210023, China
| | - Zong-Jie Guan
- State Key Laboratory of Chemo/Bio-Sensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha, 410082, Hunan, China
- Innovation Institute of Industrial Design and Machine Intelligence Quanzhou-Hunan University, Quanzhou, 362801, Fujian, China
| | - Hang Xing
- State Key Laboratory of Chemo/Bio-Sensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha, 410082, Hunan, China.
- Institute of Chemical Biology and Nanomedicine, Hunan University, Changsha, 410082, Hunan, China.
| | - Yu Fang
- State Key Laboratory of Chemo/Bio-Sensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha, 410082, Hunan, China.
- Innovation Institute of Industrial Design and Machine Intelligence Quanzhou-Hunan University, Quanzhou, 362801, Fujian, China.
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8
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Wang ZK, Du MH, Braunstein P, Lang JP. A Cut-to-Link Strategy for Cubane-Based Heterometallic Sulfide Clusters with Giant Third-Order Nonlinear Optical Response. J Am Chem Soc 2023; 145:9982-9987. [PMID: 37126789 DOI: 10.1021/jacs.3c01831] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/03/2023]
Abstract
Although the synthesis of low-dimensional metal sulfides by assembling cluster-based units is expected to promote the development of optical materials and models of enzyme active centers such as dinitrogenase, it is faced with limited assembly methodology. Herein we present a cut-to-link strategy to generate high-nuclearity assemblies, inspired by the formation of a Z-type dimer of the W-S-Cu analogues of PN cluster through in situ release of active linkers. Four new compounds with structures based on the same {Tp*WS3Cu3} incomplete cubane-like units were obtained using varied combinations of mild reagents. Open-aperture Z-scan measurements demonstrated the highest-nuclearity complex has the largest nonlinear optical absorption coefficient among discrete cluster-based materials reported to date. This approach enables building high-nuclearity metal sulfide clusters through cluster-based building blocks and opens a way to the design and exploration of materials based on well-identified building blocks.
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Affiliation(s)
- Zhi-Kang Wang
- College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou, Jiangsu 215123, China
- State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, Shanghai 200032, China
| | - Ming-Hao Du
- College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou, Jiangsu 215123, China
| | - Pierre Braunstein
- Institut de Chimie (UMR 7177 CNRS), Université de Strasbourg, 67081 Strasbourg, France
| | - Jian-Ping Lang
- College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou, Jiangsu 215123, China
- State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, Shanghai 200032, China
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9
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Liu KK, Guan ZJ, Ke M, Fang Y. Bridging the Gap between Charge Storage Site and Transportation Pathway in Molecular-Cage-Based Flexible Electrodes. ACS CENTRAL SCIENCE 2023; 9:805-815. [PMID: 37122452 PMCID: PMC10141610 DOI: 10.1021/acscentsci.3c00027] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/06/2023] [Indexed: 05/03/2023]
Abstract
Porous materials have been widely applied for supercapacitors; however, the relationship between the electrochemical behaviors and the spatial structures has rarely been discussed before. Herein, we report a series of porous coordination cage (PCC) flexible supercapacitors with tunable three-dimensional (3D) cavities and redox centers. PCCs exhibit excellent capacitor performances with a superior molecular capacitance of 2510 F mmol-1, high areal capacitances of 250 mF cm-2, and unique cycle stability. The electrochemical behavior of PCCs is dictated by the size, type, and open-close state of the cavities. Both the charge binding site and the charge transportation pathway are unambiguously elucidated for PCC supercapacitors. These findings provide central theoretical support for the "structure-property relationship" for designing powerful electrode materials for flexible energy storage devices.
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Affiliation(s)
- Kang-Kai Liu
- State
Key Laboratory for Chemo/Bio-Sensing and Chemometrics, College of
Chemistry and Chemical Engineering, Hunan
University, Changsha, Hunan 410082, People’s Republic of China
| | - Zong-Jie Guan
- State
Key Laboratory for Chemo/Bio-Sensing and Chemometrics, College of
Chemistry and Chemical Engineering, Hunan
University, Changsha, Hunan 410082, People’s Republic of China
| | - Mengting Ke
- State
Key Laboratory for Chemo/Bio-Sensing and Chemometrics, College of
Chemistry and Chemical Engineering, Hunan
University, Changsha, Hunan 410082, People’s Republic of China
| | - Yu Fang
- State
Key Laboratory for Chemo/Bio-Sensing and Chemometrics, College of
Chemistry and Chemical Engineering, Hunan
University, Changsha, Hunan 410082, People’s Republic of China
- Innovation
Institute of Industrial Design and Machine Intelligence Quanzhou-Hunan
University, Quanzhou, Fujian 362801, People’s Republic of China
- Email
for Y.F.:
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10
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Xia X, Liu B, Zhao B, Xia Z, Li S. Enhanced Water Adsorption of MIL-101(Cr) by Metal-Organic Polyhedral Encapsulation for Adsorption Cooling. NANOMATERIALS (BASEL, SWITZERLAND) 2023; 13:1147. [PMID: 37049241 PMCID: PMC10096998 DOI: 10.3390/nano13071147] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/06/2023] [Revised: 03/18/2023] [Accepted: 03/20/2023] [Indexed: 06/19/2023]
Abstract
Metal-organic frameworks (MOFs) are one of the most promising adsorbents in the adsorption cooling system (ACS) for their outstanding water adsorption performance. Notwithstanding that fact, numerous reports pay more attention to the ACS performance improvement through enhancing equilibrium water uptake of MOFs. However, adsorption cooling performance, including specific cooling power (SCP) and coefficient of performance for cooling (COPC) of MOF/water working pairs, always depends on the water adsorption kinetics of MOFs in ACS. In this work, to increase the water adsorption rate, the preparation of MOP/MIL-101(Cr) was achieved by encapsulating hydrophilic metal-organic polyhedral (MOP) into MIL-101(Cr). It was found that the hydrophilicity of MOP/MIL-101(Cr) was enhanced upon hydrophilic MOP3 encapsulation, resulting in a remarkable improvement in water adsorption rates. Furthermore, both SCP and COPC for MOP/MIL-101(Cr)-water working pairs were also improved because of the fast water adsorption of MOP/MIL-101(Cr). In brief, an effective approach to enhance the water adsorption rate and cooling performance of MOF-water working pairs through enhancing the hydrophilicity of MOFs by encapsulating MOP into MOFs was reported in this work, which provides a new strategy for broadening the application of MOF composites in ACS.
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Affiliation(s)
- Xiaoxiao Xia
- School of Energy and Power Engineering, Huazhong University of Science and Technology, Wuhan 430074, China
| | - Boyun Liu
- School of Power Engineering, Naval of University of Engineeing, Wuhan 430074, China
| | - Bo Zhao
- School of Power Engineering, Naval of University of Engineeing, Wuhan 430074, China
| | - Zichao Xia
- School of Power Engineering, Naval of University of Engineeing, Wuhan 430074, China
| | - Song Li
- School of Energy and Power Engineering, Huazhong University of Science and Technology, Wuhan 430074, China
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11
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A review on hydrogen production from ammonia borane: Experimental and theoretical studies. CHINESE CHEM LETT 2023. [DOI: 10.1016/j.cclet.2023.108280] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/06/2023]
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12
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Shi H, Luo S, Ma H, Yu W, Wei X. Tuning the Properties of Metal‐Organic Cages through Platinum Nanoparticle Encapsulation. ChemistrySelect 2022. [DOI: 10.1002/slct.202202940] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Hua‐Tian Shi
- Analysis and Testing Central Facility Institutes of Molecular Engineering and Applied Chemistry Anhui University of Technology Ma'anshan 243002 P. R. China
| | - Shi‐Ting Luo
- Analysis and Testing Central Facility Institutes of Molecular Engineering and Applied Chemistry Anhui University of Technology Ma'anshan 243002 P. R. China
| | - Hui‐Rong Ma
- Analysis and Testing Central Facility Institutes of Molecular Engineering and Applied Chemistry Anhui University of Technology Ma'anshan 243002 P. R. China
| | - Weibin Yu
- Analysis and Testing Central Facility Institutes of Molecular Engineering and Applied Chemistry Anhui University of Technology Ma'anshan 243002 P. R. China
| | - Xianwen Wei
- Analysis and Testing Central Facility Institutes of Molecular Engineering and Applied Chemistry Anhui University of Technology Ma'anshan 243002 P. R. China
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13
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Liang Y, Li E, Wang K, Guan ZJ, He HH, Zhang L, Zhou HC, Huang F, Fang Y. Organo-macrocycle-containing hierarchical metal-organic frameworks and cages: design, structures, and applications. Chem Soc Rev 2022; 51:8378-8405. [PMID: 36112107 DOI: 10.1039/d2cs00232a] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Developing hierarchical ordered systems is challenging. Using organo-macrocycles to construct metal-organic frameworks (MOFs) and porous coordination cages (PCCs) provides an efficient way to obtain hierarchical assemblies. Macrocycles, such as crown ethers, cyclodextrins, calixarenes, cucurbiturils, and pillararenes, can be incorporated within MOFs/PCCs and they also endow the resultant composites with enhanced properties and functionalities. This review summarizes recent developments of organo-macrocycle-containing hierarchical MOFs/PCCs, emphasizing applications and structure-property relationships of these hierarchically porous materials. This review provides insights for future research on hierarchical self-assembly using macrocycles as building blocks and functional ligands to extend the applications of the composites.
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Affiliation(s)
- Yu Liang
- State Key Laboratory for Chemo/Bio-Sensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha, 410082, P. R. China
| | - Errui Li
- State Key Laboratory of Chemical Engineering, Stoddart Institute of Molecular Science, Department of Chemistry, Zhejiang University, Hangzhou 310027, P. R. China
| | - Kunyu Wang
- Department of Chemistry, Texas A&M University, College Station, Texas 77843-3255, USA
| | - Zong-Jie Guan
- State Key Laboratory for Chemo/Bio-Sensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha, 410082, P. R. China
| | - Hui-Hui He
- State Key Laboratory for Chemo/Bio-Sensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha, 410082, P. R. China.,Fujian Cross Strait Institute of Flexible Electronics (Future Technologies), Fujian Normal University, Fuzhou 350117, China
| | - Liangliang Zhang
- Fujian Cross Strait Institute of Flexible Electronics (Future Technologies), Fujian Normal University, Fuzhou 350117, China
| | - Hong-Cai Zhou
- Department of Chemistry, Texas A&M University, College Station, Texas 77843-3255, USA
| | - Feihe Huang
- State Key Laboratory of Chemical Engineering, Stoddart Institute of Molecular Science, Department of Chemistry, Zhejiang University, Hangzhou 310027, P. R. China.,ZJU-Hangzhou Global Scientific and Technological Innovation Center, Hangzhou, 311215, P. R. China.,Green Catalysis Center and College of Chemistry, Zhengzhou University, Zhengzhou 450001, P. R. China
| | - Yu Fang
- State Key Laboratory for Chemo/Bio-Sensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha, 410082, P. R. China
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14
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Surface charges of porous coordination cage tune the catalytic reactivity of Knoevenagel condensation. Catal Today 2022. [DOI: 10.1016/j.cattod.2021.11.008] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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15
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Phenylthiol-BODIPY-based supramolecular metallacycles for synergistic tumor chemo-photodynamic therapy. Proc Natl Acad Sci U S A 2022; 119:e2203994119. [PMID: 35858319 PMCID: PMC9303851 DOI: 10.1073/pnas.2203994119] [Citation(s) in RCA: 22] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023] Open
Abstract
The development of more effective tumor therapy remains challenging and has received widespread attention. In the past decade, there has been growing interest in synergistic tumor therapy based on supramolecular coordination complexes. Herein, we describe two triangular metallacycles (1 and 2) constructed by the formation of pyridyl boron dipyrromethene (BODIPY)-platinum coordination. Metallacycle 2 had considerable tumor penetration, as evidenced by the phenylthiol-BODIPY ligand imparting red fluorescent emission at ∼660 nm, enabling bioimaging, and transport visualization within the tumor. Based on the therapeutic efficacy of the platinum(II) acceptor and high singlet oxygen (1O2) generation ability of BODIPY, 2 was successfully incorporated into nanoparticles and applied in chemo-photodynamic tumor therapy against malignant human glioma U87 cells, showing excellent synergistic therapeutic efficacy. A half-maximal inhibitory concentration of 0.35 μM was measured for 2 against U87 cancer cells in vitro. In vivo experiments indicated that 2 displayed precise tumor targeting ability and good biocompatibility, along with strong antitumor effects. This work provides a promising approach for treating solid tumors by synergistic chemo-photodynamic therapy of supramolecular coordination complexes.
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16
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Ubasart E, Mustieles Marin I, Asensio JM, Mencia G, López-Vinasco ÁM, García-Simón C, Del Rosal I, Poteau R, Chaudret B, Ribas X. Supramolecular nanocapsules as two-fold stabilizers of outer-cavity sub-nanometric Ru NPs and inner-cavity ultra-small Ru clusters. NANOSCALE HORIZONS 2022; 7:607-615. [PMID: 35389405 DOI: 10.1039/d1nh00677k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
The synthesis of metallic nanoparticles (MNP) with high surface area and controlled shape is of paramount importance to increase their catalytic performance. The detailed growing process of NP is mostly unknown and understanding the specific steps would pave the way for a rational synthesis of the desired MNP. Here we take advantage of the stabilization properties exerted by the tetragonal prismatic supramolecular nanocapsule 8·(BArF)8 to develop a synthetic methodology for sub-nanometric RuNP (0.6-0.7 nm). The catalytic properties of these sub-nanometric nanoparticles were tested on the hydrogenation of styrene, obtaining excellent selectivity for the hydrogenation of the alkene moiety. In addition, the encapsulation of [Ru5] clusters inside the nanocapsule is strikingly observed in most of the experimental conditions, as ascertained by HR-MS. Moreover, a thorough DFT study enlightens the nature of the [Ru5] clusters as tb-Ru5H2(η6-PhH)2(η6-pyz)3 (2) trapped by two arene moieties of the clip, or as tb-Ru5H2(η1-pyz)6(η6-pyz)3 (3) trapped between the two Zn-porphyrin units of the nanocapsule. Both options fulfill the Wade-Mingos counting rules, i.e. 72 CVEs for the closotb. The trapped [Ru5] metallic clusters are proposed to be the first-grown seeds of subsequent formation of the subnanometric RuNP. Moreover, the double role of the nanocapsule in stabilising ∼0.7 nm NPs and also in hosting ultra-small Ru clusters, is unprecedented and may pave the way towards the synthesis of ultra-small metallic clusters for catalytic purposes.
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Affiliation(s)
- Ernest Ubasart
- Institut de Química Computacional i Catàlisi and Departament de Química, Universitat de Girona, Campus Montilivi, E-17003 Girona, Catalonia, Spain.
| | - Irene Mustieles Marin
- Laboratoire de Physique et Chimie des Nano-objets (LPCNO), INSA-CNRS, Université de Toulouse, 135 Ave. de Rangueil, 31077 Toulouse, France
| | - Juan Manuel Asensio
- Laboratoire de Physique et Chimie des Nano-objets (LPCNO), INSA-CNRS, Université de Toulouse, 135 Ave. de Rangueil, 31077 Toulouse, France
| | - Gabriel Mencia
- Laboratoire de Physique et Chimie des Nano-objets (LPCNO), INSA-CNRS, Université de Toulouse, 135 Ave. de Rangueil, 31077 Toulouse, France
| | - Ángela M López-Vinasco
- Laboratoire de Physique et Chimie des Nano-objets (LPCNO), INSA-CNRS, Université de Toulouse, 135 Ave. de Rangueil, 31077 Toulouse, France
| | - Cristina García-Simón
- Institut de Química Computacional i Catàlisi and Departament de Química, Universitat de Girona, Campus Montilivi, E-17003 Girona, Catalonia, Spain.
| | - Iker Del Rosal
- Laboratoire de Physique et Chimie des Nano-objets (LPCNO), INSA-CNRS, Université de Toulouse, 135 Ave. de Rangueil, 31077 Toulouse, France
| | - Romuald Poteau
- Laboratoire de Physique et Chimie des Nano-objets (LPCNO), INSA-CNRS, Université de Toulouse, 135 Ave. de Rangueil, 31077 Toulouse, France
| | - Bruno Chaudret
- Laboratoire de Physique et Chimie des Nano-objets (LPCNO), INSA-CNRS, Université de Toulouse, 135 Ave. de Rangueil, 31077 Toulouse, France
| | - Xavi Ribas
- Institut de Química Computacional i Catàlisi and Departament de Química, Universitat de Girona, Campus Montilivi, E-17003 Girona, Catalonia, Spain.
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17
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Abstract
Supramolecular metal–organic cages, a class of molecular containers formed via coordination-driven self-assembly, have attracted sustained attention for their applications in catalysis, due to their structural aesthetics and unique properties. Their inherent confined cavity is considered to be analogous to the binding pocket of enzymes, and the facile tunability of building blocks offers a diverse platform for enzyme mimics to promote organic reactions. This minireview covers the recent progress of supramolecular metal–organic coordination cages for boosting organic reactions as reaction vessels or catalysts. The developments in the utilizations of the metal–organic cages for accelerating the organic reactions, improving the selectivity of the reactions are summarized. In addition, recent developments and successes in tandem or cascade reactions promoted by supramolecular metal–organic cages are discussed.
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18
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Saha R, Mondal B, Mukherjee PS. Molecular Cavity for Catalysis and Formation of Metal Nanoparticles for Use in Catalysis. Chem Rev 2022; 122:12244-12307. [PMID: 35438968 DOI: 10.1021/acs.chemrev.1c00811] [Citation(s) in RCA: 76] [Impact Index Per Article: 38.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
The employment of weak intermolecular interactions in supramolecular chemistry offers an alternative approach to project artificial chemical environments like the active sites of enzymes. Discrete molecular architectures with defined shapes and geometries have become a revolutionary field of research in recent years because of their intrinsic porosity and ease of synthesis using dynamic non-covalent/covalent interactions. Several porous molecular cages have been constructed from simple building blocks by self-assembly, which undergoes many self-correction processes to form the final architecture. These supramolecular systems have been developed to demonstrate numerous applications, such as guest stabilization, drug delivery, catalysis, smart materials, and many other related fields. In this respect, catalysis in confined nanospaces using such supramolecular cages has seen significant growth over the years. These porous discrete cages contain suitable apertures for easy intake of substrates and smooth release of products to exhibit exceptional catalytic efficacy. This review highlights recent advancements in catalytic activity influenced by the nanocavities of hydrogen-bonded cages, metal-ligand coordination cages, and dynamic or reversible covalently bonded organic cages in different solvent media. Synthetic strategies for these three types of supramolecular systems are discussed briefly and follow similar and simplistic approaches manifested by simple starting materials and benign conditions. These examples demonstrate the progress of various functionalized molecular cages for specific chemical transformations in aqueous and nonaqueous media. Finally, we discuss the enduring challenges related to porous cage compounds that need to be overcome for further developments in this field of work.
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Affiliation(s)
- Rupak Saha
- Department of Inorganic and Physical Chemistry, Indian Institute of Science, Bangalore-560 012, India
| | - Bijnaneswar Mondal
- Department of Chemistry, Guru Ghasidas Vishwavidyalaya, Bilaspur-495 009, Chhattisgarh, India
| | - Partha Sarathi Mukherjee
- Department of Inorganic and Physical Chemistry, Indian Institute of Science, Bangalore-560 012, India
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19
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Hang X, Wang S, Pang H, Xu Q. A coordination cage hosting ultrafine and highly catalytically active gold nanoparticles. Chem Sci 2022; 13:461-468. [PMID: 35126978 PMCID: PMC8729796 DOI: 10.1039/d1sc05407d] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2021] [Accepted: 12/05/2021] [Indexed: 12/19/2022] Open
Abstract
Ultrafine metal nanoparticles (MNPs) with size <2 nm are of great interest due to their superior catalytic capabilities. Herein, we report the size-controlled synthesis of gold nanoparticles (Au NPs) by using a thiacalixarene-based coordination cage CIAC-108 as a confined host or stabilizer. The Au NPs encapsulated within the cavity of CIAC-108 (Au@CIAC-108) show smaller size (∼1.3 nm) than the ones (∼4.7 nm) anchored on the surface of CIAC-108 (Au/CIAC-108). The cage-embedded Au NPs can be used as a homogeneous catalyst in a mixture of methanol and dichloromethane while as a heterogeneous catalyst in methanol. The homogeneous catalyst Au@CIAC-108-homo exhibits significantly enhanced catalytic activities toward nitroarene reduction and organic dye decomposition, as compared with its larger counterpart Au/CIAC-108-homo and its heterogeneous counterpart Au@CIAC-108-hetero. More importantly, the as-prepared Au@CIAC-108-homo possesses remarkable stability and durability. The size-controlled synthesis of Au NPs was achieved by using a coordination cage CIAC-108 as a support. The Au NPs encapsulated within the cavity of CIAC-108 show smaller size (∼1.3 nm) than the ones (∼4.7 nm) anchored on the surface of CIAC-108.![]()
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Affiliation(s)
- Xinxin Hang
- School of Chemistry and Chemical Engineering, Institute for Innovative Materials and Energy, Yangzhou University Yangzhou 225002 P. R. China
| | - Shentang Wang
- School of Chemistry and Chemical Engineering, Chongqing Key Laboratory of Soft-Matter Material Chemistry and Function Manufacturing, Southwest University Chongqing 400715 P. R. China
| | - Huan Pang
- School of Chemistry and Chemical Engineering, Institute for Innovative Materials and Energy, Yangzhou University Yangzhou 225002 P. R. China
| | - Qiang Xu
- School of Chemistry and Chemical Engineering, Institute for Innovative Materials and Energy, Yangzhou University Yangzhou 225002 P. R. China .,Department of Materials Science and Engineering, SUSTech Academy for Advanced Interdisciplinary Studies, Southern University of Science and Technology (SUSTech) Shenzhen 518055 P. R. China.,Institute for Integrated Cell-Material Sciences (iCeMS), Kyoto University Yoshida, Sakyo-ku Kyoto 606-8501 Japan
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20
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Zhang G, Han H, Li K, Zhang H, Liao W. Assembly of cobalt-p-sulfonatothiacalix[4]arene frameworks with phosphate, phosphite and phenylphosphonate ligands. ZEITSCHRIFT FUR NATURFORSCHUNG SECTION B-A JOURNAL OF CHEMICAL SCIENCES 2021. [DOI: 10.1515/znb-2021-0138] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Abstract
Three cobalt-calixarene coordination frameworks, namely, {[Co4Cl(H4TC4AS)]4(HPO3)8}4− (CIAC-253), {[Co4Cl(H4TC4AS)]4(PO4)8}12− (CIAC-254) and {[Co4Cl(H4TC4AS)]3(Ph-PO3)6}3− (CIAC-255) were obtained by solvothermal reaction of a cobalt salt, sodium p-sulfonatothiacalix[4]arene (Na4H4TC4AS) and phosphate, phosphite and phosphonate ligands. In CIAC-253 and CIAC-254, the shuttlecock-like Co4Cl-(TC4AS) secondary building units (SBUs) are bridged by HPO3
2− or PO4
3− anions into two quadrilateral frameworks while in CIAC-255, the Co4Cl-(TC4AS) SBUs are linked into a triangular framework by phenylphosphonate anions. The supramolecular interactions between the phenyl groups of phosphonate and TC4AS play a crucial role in the formation of the triangle. Magnetic measurements revealed that all the cobalt(II) centers exhibit antiferromagnetic interactions.
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Affiliation(s)
- Guoshuai Zhang
- Key Lab of Polyoxometalate Science of Ministry of Education , Faculty of Chemistry, Northeast Normal University , Changchun 130024 , P. R. China
- State Key Laboratory of Rare Earth Resource Utilization , Changchun Institute of Applied Chemistry, Chinese Academy of Sciences , Changchun 130022 , P. R. China
| | - Haitao Han
- State Key Laboratory of Rare Earth Resource Utilization , Changchun Institute of Applied Chemistry, Chinese Academy of Sciences , Changchun 130022 , P. R. China
| | - Kaiyue Li
- State Key Laboratory of Rare Earth Resource Utilization , Changchun Institute of Applied Chemistry, Chinese Academy of Sciences , Changchun 130022 , P. R. China
| | - Hong Zhang
- Key Lab of Polyoxometalate Science of Ministry of Education , Faculty of Chemistry, Northeast Normal University , Changchun 130024 , P. R. China
| | - Wuping Liao
- State Key Laboratory of Rare Earth Resource Utilization , Changchun Institute of Applied Chemistry, Chinese Academy of Sciences , Changchun 130022 , P. R. China
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21
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Mboyi CD, Poinsot D, Roger J, Fajerwerg K, Kahn ML, Hierso JC. The Hydrogen-Storage Challenge: Nanoparticles for Metal-Catalyzed Ammonia Borane Dehydrogenation. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2021; 17:e2102759. [PMID: 34411437 DOI: 10.1002/smll.202102759] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/11/2021] [Revised: 06/23/2021] [Indexed: 06/13/2023]
Abstract
Dihydrogen is one of the sustainable energy vectors envisioned for the future. However, the rapidly reversible and secure storage of large quantities of hydrogen is still a technological and scientific challenge. In this context, this review proposes a recent state-of-the-art on H2 production capacities from the dehydrogenation reaction of ammonia borane (and selected related amine-boranes) as a safer solid source of H2 by hydrolysis (or solvolysis), catalyzed by nanoparticle-based systems. The review groups the results according to the transition metals constituting the catalyst with a mention to their current cost and availability. This includes the noble metals Rh, Pd, Pt, Ru, Ag, as well as cheaper Co, Ni, Cu, and Fe. For each element, the monometallic and polymetallic structures are presented and the performances are described in terms of turnover frequency and recyclability. The structure-property links are highlighted whenever possible. It appears from all these works that the mastery of the preparation of catalysts remains a crucial point both in terms of process, and control and understanding of the electronic structures of the elaborated nanomaterials. A particular effort of the scientific community remains to be made in this multidisciplinary field with major societal stakes.
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Affiliation(s)
- Clève D Mboyi
- Institut de Chimie Moléculaire de l'Université de Bourgogne (ICMUB) UMR-CNRS 6302 Université Bourgogne-Franche-Comté (UBFC), 9 avenue Alain Savary, Dijon, 21078, France
| | - Didier Poinsot
- Institut de Chimie Moléculaire de l'Université de Bourgogne (ICMUB) UMR-CNRS 6302 Université Bourgogne-Franche-Comté (UBFC), 9 avenue Alain Savary, Dijon, 21078, France
| | - Julien Roger
- Institut de Chimie Moléculaire de l'Université de Bourgogne (ICMUB) UMR-CNRS 6302 Université Bourgogne-Franche-Comté (UBFC), 9 avenue Alain Savary, Dijon, 21078, France
| | - Katia Fajerwerg
- Laboratoire de Chimie de Coordination (LCC-CNRS), Université de Toulouse, INPT, 205 route de Narbonne, 31077, Toulouse Cedex 4, France
| | - Myrtil L Kahn
- Laboratoire de Chimie de Coordination (LCC-CNRS), Université de Toulouse, INPT, 205 route de Narbonne, 31077, Toulouse Cedex 4, France
| | - Jean-Cyrille Hierso
- Institut de Chimie Moléculaire de l'Université de Bourgogne (ICMUB) UMR-CNRS 6302 Université Bourgogne-Franche-Comté (UBFC), 9 avenue Alain Savary, Dijon, 21078, France
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22
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Bustos I, Freixa Z, Pazos A, Mendicute‐Fierro C, Garralda MA. Efficient Homogeneous Hydridoirida‐β‐Diketone‐Catalyzed Methanolysis of Ammonia‐Borane for Hydrogen Release in Air. Mechanistic Insights. Eur J Inorg Chem 2021. [DOI: 10.1002/ejic.202100318] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Itxaso Bustos
- Facultad de Química de San Sebastián Universidad del País Vasco (UPV/EHU) Apdo. 1072 20080 San Sebastián Spain
| | - Zoraida Freixa
- Facultad de Química de San Sebastián Universidad del País Vasco (UPV/EHU) Apdo. 1072 20080 San Sebastián Spain
- Ikerbasque Basque Foundation for Science 48011 Bilbao Spain
| | - Ariadna Pazos
- Facultad de Química de San Sebastián Universidad del País Vasco (UPV/EHU) Apdo. 1072 20080 San Sebastián Spain
| | - Claudio Mendicute‐Fierro
- Facultad de Química de San Sebastián Universidad del País Vasco (UPV/EHU) Apdo. 1072 20080 San Sebastián Spain
| | - María A. Garralda
- Facultad de Química de San Sebastián Universidad del País Vasco (UPV/EHU) Apdo. 1072 20080 San Sebastián Spain
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23
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Zheng F, Fan Y, Chen W. Homogeneous Distribution of Pt 16(C 4O 4SH 5) 26 Clusters in ZIF-67 for Efficient Hydrogen Generation and Oxygen Reduction. ACS APPLIED MATERIALS & INTERFACES 2021; 13:38170-38178. [PMID: 34351128 DOI: 10.1021/acsami.1c05412] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
In recent years, based on the high catalytic activities of metal nanoclusters (MNCs) and the unique porous structure of metal-organic frameworks (MOFs), much work has focused on MOF-confined small MNCs for catalysis applications. However, the commonly used "ship-in-boat" approach is unfeasible for precisely controlling the size and composition of the formed MNCs and meanwhile often causes structural distortion/degradation. On the other hand, the "bottle-around-ship" method usually has the disadvantages that MOFs show uncontrollable self-nucleation outside the MNCs and the stabilizers on the surface of MNCs may greatly reduce their catalytic activities. In this work, monodispersed Pt16(C4O4SH5)26 clusters (Pt16(MSA)26) were first prepared and used as a precursor for the synthesis of Pt(MSA)@ZIF-67 via the typical Co-carboxylate type of linkage at the interface under ambient atmosphere. After encapsulating the Pt clusters in ZIF-67, the protecting ligands were removed under 300 °C to get surface-clean Pt16 clusters confined in ZIF-67 (Pt@ZIF-67). The obtained Pt@ZIF-67 exhibited high catalytic activity for the hydrolysis of ammonia borane that was superior to that of most of the reported noble-metal catalysts. Meanwhile, by annealing the Pt(MSA)@ZIF-67 at 800 °C to form highly conductive graphitic carbon-coated Pt NCs and Co nanoparticles (NPs) (Pt/Co@NC), the obtained composite showed high catalytic activity for the oxygen reduction reaction (ORR). The formed Pt/Co@NC showed 9.6 times higher ORR mass activity (at 0.8 V) than Pt/C. This work provides a strategy to fabricate highly dispersed and stable metal clusters confined in the porous matrix for catalysis and shows that highly porous MOFs have promising catalysis applications by combining them with other active components.
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Affiliation(s)
- Fuqin Zheng
- Guangxi Key Laboratory of Low Carbon Energy Materials, College of Chemistry and Pharmaceutical Sciences, Guangxi Normal University, Guilin 541004, China
| | - Youjun Fan
- Guangxi Key Laboratory of Low Carbon Energy Materials, College of Chemistry and Pharmaceutical Sciences, Guangxi Normal University, Guilin 541004, China
| | - Wei Chen
- Guangxi Key Laboratory of Low Carbon Energy Materials, College of Chemistry and Pharmaceutical Sciences, Guangxi Normal University, Guilin 541004, China
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24
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Fang Y, Zhou HC. Metal nanoparticles encapsulated within charge tunable porous coordination cages for hydrogen generation reaction. Catal Today 2021. [DOI: 10.1016/j.cattod.2020.10.030] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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25
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Olivo G, Capocasa G, Del Giudice D, Lanzalunga O, Di Stefano S. New horizons for catalysis disclosed by supramolecular chemistry. Chem Soc Rev 2021; 50:7681-7724. [PMID: 34008654 DOI: 10.1039/d1cs00175b] [Citation(s) in RCA: 74] [Impact Index Per Article: 24.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
The adoption of a supramolecular approach in catalysis promises to address a number of unmet challenges, ranging from activity (unlocking of novel reaction pathways) to selectivity (alteration of the innate selectivity of a reaction, e.g. selective functionalization of C-H bonds) and regulation (switch ON/OFF, sequential catalysis, etc.). Supramolecular tools such as reversible association and recognition, pre-organization of reactants and stabilization of transition states upon binding offer a unique chance to achieve the above goals disclosing new horizons whose potential is being increasingly recognized and used, sometimes reaching the degree of ripeness for practical use. This review summarizes the main developments that have opened such new frontiers, with the aim of providing a guide to researchers approaching the field. We focus on artificial supramolecular catalysts of defined stoichiometry which, under homogeneous conditions, unlock outcomes that are highly difficult if not impossible to attain otherwise, namely unnatural reactivity or selectivity and catalysis regulation. The different strategies recently explored in supramolecular catalysis are concisely presented, and, for each one, a single or very few examples is/are described (mainly last 10 years, with only milestone older works discussed). The subject is divided into four sections in light of the key design principle: (i) nanoconfinement of reactants, (ii) recognition-driven catalysis, (iii) catalysis regulation by molecular machines and (iv) processive catalysis.
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Affiliation(s)
- Giorgio Olivo
- Dipartimento di Chimica, Università degli Studi di Roma "La Sapienza", Dipartimento di Chimica and ISB-CNR Sede Secondaria di Roma - Meccanismi di Reazione, P.le A. Moro 5, I-00185 Rome, Italy.
| | - Giorgio Capocasa
- Dipartimento di Chimica, Università degli Studi di Roma "La Sapienza", Dipartimento di Chimica and ISB-CNR Sede Secondaria di Roma - Meccanismi di Reazione, P.le A. Moro 5, I-00185 Rome, Italy.
| | - Daniele Del Giudice
- Dipartimento di Chimica, Università degli Studi di Roma "La Sapienza", Dipartimento di Chimica and ISB-CNR Sede Secondaria di Roma - Meccanismi di Reazione, P.le A. Moro 5, I-00185 Rome, Italy.
| | - Osvaldo Lanzalunga
- Dipartimento di Chimica, Università degli Studi di Roma "La Sapienza", Dipartimento di Chimica and ISB-CNR Sede Secondaria di Roma - Meccanismi di Reazione, P.le A. Moro 5, I-00185 Rome, Italy.
| | - Stefano Di Stefano
- Dipartimento di Chimica, Università degli Studi di Roma "La Sapienza", Dipartimento di Chimica and ISB-CNR Sede Secondaria di Roma - Meccanismi di Reazione, P.le A. Moro 5, I-00185 Rome, Italy.
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26
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Hua M, Wang S, Gong Y, Wei J, Yang Z, Sun J. Hierarchically Porous Organic Cages. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202100849] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Mingming Hua
- School of Chemistry and Chemical Engineering Key Laboratory of Colloid and Interface Chemistry Ministry of Education Shandong University Jinan 250100 P. R. China
| | - Shuping Wang
- School of Chemistry and Chemical Engineering Key Laboratory of Colloid and Interface Chemistry Ministry of Education Shandong University Jinan 250100 P. R. China
| | - Yanjun Gong
- School of Chemistry and Chemical Engineering Key Laboratory of Colloid and Interface Chemistry Ministry of Education Shandong University Jinan 250100 P. R. China
| | - Jingjing Wei
- School of Chemistry and Chemical Engineering Key Laboratory of Colloid and Interface Chemistry Ministry of Education Shandong University Jinan 250100 P. R. China
| | - Zhijie Yang
- School of Chemistry and Chemical Engineering Key Laboratory of Colloid and Interface Chemistry Ministry of Education Shandong University Jinan 250100 P. R. China
| | - Jian‐Ke Sun
- MOE Key Laboratory of Cluster Science School of Chemistry and Chemical Engineering Beijing Institute of Technology Beijing P. R. China
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27
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Hua M, Wang S, Gong Y, Wei J, Yang Z, Sun JK. Hierarchically Porous Organic Cages. Angew Chem Int Ed Engl 2021; 60:12490-12497. [PMID: 33694301 DOI: 10.1002/anie.202100849] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2021] [Revised: 03/09/2021] [Indexed: 11/09/2022]
Abstract
Imparting mesopores to organic cages of an intrinsic microporous nature to build up hierarchically porous cage soft materials is a grand challenge and will reshape the property and application scope of traditional organic cage molecules. Herein, we discovered how to engineer mesopores into microporous organic cages via their host-guest interactions with long chain ionic surfactants. Equally important, the ionic head of surfactants equips the supramolecularly assembled porous structures with charge-selective uptake and release function in solution. Interestingly, such hierarchically porous organic cage can serve as a nanoreactor once trapping enzymes within the cavity, which show 5-fold enhanced activity of enzymatic catalysis when compared with the free enzymes.
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Affiliation(s)
- Mingming Hua
- School of Chemistry and Chemical Engineering, Key Laboratory of Colloid and Interface Chemistry, Ministry of Education, Shandong University, Jinan, 250100, P. R. China
| | - Shuping Wang
- School of Chemistry and Chemical Engineering, Key Laboratory of Colloid and Interface Chemistry, Ministry of Education, Shandong University, Jinan, 250100, P. R. China
| | - Yanjun Gong
- School of Chemistry and Chemical Engineering, Key Laboratory of Colloid and Interface Chemistry, Ministry of Education, Shandong University, Jinan, 250100, P. R. China
| | - Jingjing Wei
- School of Chemistry and Chemical Engineering, Key Laboratory of Colloid and Interface Chemistry, Ministry of Education, Shandong University, Jinan, 250100, P. R. China
| | - Zhijie Yang
- School of Chemistry and Chemical Engineering, Key Laboratory of Colloid and Interface Chemistry, Ministry of Education, Shandong University, Jinan, 250100, P. R. China
| | - Jian-Ke Sun
- MOE Key Laboratory of Cluster Science, School of Chemistry and Chemical Engineering, Beijing Institute of Technology, Beijing, P. R. China
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28
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Liu C, Zhang Y, An Q. Functional Material Systems Based on Soft Cages. Chem Asian J 2021; 16:1198-1215. [PMID: 33742742 DOI: 10.1002/asia.202100178] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2021] [Revised: 03/18/2021] [Indexed: 01/28/2023]
Abstract
Discrete molecular soft cages integrate multiple functionalities in one molecule. They express their functions from the confined space in their cavity, functional groups in the cavity interior wall and exterior wall, and the chelating nodes in many chelating cages. Such functional integrity render cage molecules special applications in material engineering. Increasing applications of cage molecules in material design have been reported in recent years. Compared with other cavity-rich molecular structures such as metal-organic framework (MOF) or covalent organic frameworks (COF), discrete soft cages present the unique advantage of material design flexibility, that they can easily composite with nanoparticles or polymers and exist in materials of various forms. We document the development of cage-based materials in recent years and expect to further inspire materials engineering to integrate contribution from the functionality specificity of cage molecules and ultimately promote the development of functional materials and thus human life qualities.
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Affiliation(s)
- Chao Liu
- School of Materials Science and Technology, China University of Geosciences, Beijing, 100083, P. R. China
| | - Yihe Zhang
- School of Materials Science and Technology, China University of Geosciences, Beijing, 100083, P. R. China
| | - Qi An
- School of Materials Science and Technology, China University of Geosciences, Beijing, 100083, P. R. China
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Dworzak MR, Deegan MM, Yap GPA, Bloch ED. Synthesis and Characterization of an Isoreticular Family of Calixarene-Capped Porous Coordination Cages. Inorg Chem 2021; 60:5607-5616. [PMID: 33784080 DOI: 10.1021/acs.inorgchem.0c03554] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Functionalization of permanently porous coordination cages has been used to tune phase, surface area, stability, and solubility in this promising class of adsorbents. For many cages, however, these properties are intricately tied together, and installation of functional groups, for example, to increase solubility often leads to a decrease in surface area. Calixarene-capped cages offer the advantage in that they are cluster-terminated cages whose solid-state packing, and thus surface area, is typically governed by the nature of the capping ligand rather than the bridging ligand. In this work we investigate the influence of ligand functionalization on two series of isoreticular Ni(II)- and Co(II)-based calixarene-capped cages. The two types of materials described are represented as octahedral and rectangular prismatic coordination cages and can be synthesized in a modular manner, allowing for the substitution of dicarboxylate bridging ligands and the introduction of functional groups in specific locations on the cage. We ultimately show that highly soluble cages can be obtained while still having access to high surface areas for many of the isolated phases.
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Affiliation(s)
- Michael R Dworzak
- Department of Chemistry and Biochemistry, University of Delaware, Newark, Delaware 19716, United States
| | - Meaghan M Deegan
- Department of Chemistry and Biochemistry, University of Delaware, Newark, Delaware 19716, United States
| | - Glenn P A Yap
- Department of Chemistry and Biochemistry, University of Delaware, Newark, Delaware 19716, United States
| | - Eric D Bloch
- Department of Chemistry and Biochemistry, University of Delaware, Newark, Delaware 19716, United States
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30
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Molecular Cage Promoted Aerobic Oxidation or Photo-Induced Rearrangement of Spiroepoxy Naphthalenone. Catalysts 2021. [DOI: 10.3390/catal11040484] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Herein, we report a Pd4L2-type molecular cage (1) and catalyzed reactions of spiroepoxy naphthalenone (2) in water, where selective formation of 2-(hydroxymethyl)naphthalene-1,4-dione (3) via aerobic oxidation, or 1-hydroxy-2-naphthaldehyde (4) via photo-induced rearrangement under N2 have been accomplished. Encapsulation of four molecules of guest 2 within cage 1, i.e., (2)4⊂1, has been confirmed by NMR, and a final host-guest complex of 3⊂1 has also been determined by single crystal X-Ray diffraction study. While the photo-induced ring-opening isomerization from 2 to 4 are known, appearance of charge-transfer absorption on the host-guest complex of (2)4⊂1 allows low-power blue LEDs irradiation to promote this process.
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32
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Hang X, Bi Y. Thiacalix[4]arene-supported molecular clusters for catalytic applications. Dalton Trans 2021; 50:3749-3758. [PMID: 33651066 DOI: 10.1039/d0dt04233a] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Thiacalixarenes are intriguing ligands that have attracted sustained interest because of their changeable conformations and excellent coordination ability. Thiacalix[4]arene analogues, which can bind metal ions to form modular second building units, are capable of constructing molecular-based functional materials with defined structures and various applications via directional coordination assembly. Due to rich metal-sulfur bonds, thiacalix[4]arene-based molecular clusters also exhibit diverse properties compared to other clusters. In particular, the combination of thiacalixarenes with currently popular molecular architectures, such as high-nuclearity clusters and coordination cages, has shown special catalytic performances. In this perspective, the latest advances in catalytic applications of thiacalix[4]arene-based molecular clusters, including molecular clusters themselves as catalysts and coordination cages serving as reaction vessels encapsulating metal nano-components for catalysis, are highlighted.
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Affiliation(s)
- Xinxin Hang
- College of Chemistry, Chemical Engineering and Environmental Engineering, Liaoning Shihua University, Fushun, Liaoning 113001, P. R. China.
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33
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34
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Lv H, Wei R, Guo X, Sun L, Liu B. Synergistic Catalysis of Binary RuP Nanoclusters on Nitrogen-Functionalized Hollow Mesoporous Carbon in Hydrogen Production from the Hydrolysis of Ammonia Borane. J Phys Chem Lett 2021; 12:696-703. [PMID: 33399470 DOI: 10.1021/acs.jpclett.0c03547] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Exploring highly efficient nanocatalysts for hydrogen (H2) production from catalytic hydrolysis of ammonia borane (AB) under ambient conditions and further unveiling their catalytic mechanism are of critical importance for renewable energy conversion technologies but remain big challenges. Herein, ultrafine binary RuP alloy nanoclusters homogeneously encapsulated onto nitrogen-functionalized hollow mesoporous carbon supports (RuP@NHMCs) are reported as a high-performance platinum (Pt)-free nanocatalyst for catalytic hydrolysis of AB at room temperature. Remarkable catalytic activity with a very high turnover frequency of 1774 molH2 molRu-1 min-1 and a low activation energy of 36.3 kJ mol-1 is observed based on compositional and structural synergies of RuP@NHMCs. Results of control experiments and catalytic kinetics studies reveal that the rate-determining step of catalytic hydrolysis of AB is the oxidation cleavage of a covalently stable H-OH bond, while RuP@NHMCs result in multiple electronic, functional, size, and support effects that kinetically accelerate the cleavage of attacked H-OH. Furthermore, RuP@NHMCs exhibit a good catalytic activity with a high yield of >99% for tandem hydrogenation of nitroarenes coupled with the hydrolysis of AB. We strongly believe that the catalyst design principle reported here could provide a new opportunity for synthesizing other Pt-free high-performance nanocatalysts.
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Affiliation(s)
- Hao Lv
- College of Chemistry, Sichuan University, Chengdu 610064, China
| | - Ren Wei
- Jiangsu Key Laboratory of New Power Batteries, Jiangsu Collaborative Innovation Center of Biomedical Functional Materials, School of Chemistry and Materials Science, Nanjing Normal University, Nanjing 210023, China
| | - Xuwen Guo
- Jiangsu Key Laboratory of New Power Batteries, Jiangsu Collaborative Innovation Center of Biomedical Functional Materials, School of Chemistry and Materials Science, Nanjing Normal University, Nanjing 210023, China
| | - Lizhi Sun
- Jiangsu Key Laboratory of New Power Batteries, Jiangsu Collaborative Innovation Center of Biomedical Functional Materials, School of Chemistry and Materials Science, Nanjing Normal University, Nanjing 210023, China
| | - Ben Liu
- College of Chemistry, Sichuan University, Chengdu 610064, China
- Jiangsu Key Laboratory of New Power Batteries, Jiangsu Collaborative Innovation Center of Biomedical Functional Materials, School of Chemistry and Materials Science, Nanjing Normal University, Nanjing 210023, China
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35
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Tong HY, Liang J, Wu QJ, Zou YH, Huang YB, Cao R. Soluble imidazolium-functionalized coordination cages for efficient homogeneous catalysis of CO2 cycloaddition reactions. Chem Commun (Camb) 2021; 57:2140-2143. [DOI: 10.1039/d0cc08098e] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
The soluble metal–organic cage ImBDC-Co can be employed as a homogeneous catalyst for the CO2 cycloaddition reaction, and shows higher catalytic activity than its heterogeneous counterparts. Moreover, the soluble cage can realize recovery and reuse without activity loss.
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Affiliation(s)
- Hui-Ying Tong
- State Key Laboratory of Structural Chemistry
- Fujian Institute of Research on the Structure of Matter
- Chinese Academy of Sciences, Fujian
- Fuzhou
- P. R. China
| | - Jun Liang
- Hoffmann Institute of Advanced Materials
- Shenzhen Polytechnic 7098 Liuxian Blvd
- Nanshan District
- Shenzhen
- P. R. China
| | - Qiu-Jin Wu
- State Key Laboratory of Structural Chemistry
- Fujian Institute of Research on the Structure of Matter
- Chinese Academy of Sciences, Fujian
- Fuzhou
- P. R. China
| | - Yu-Huang Zou
- State Key Laboratory of Structural Chemistry
- Fujian Institute of Research on the Structure of Matter
- Chinese Academy of Sciences, Fujian
- Fuzhou
- P. R. China
| | - Yuan-Biao Huang
- State Key Laboratory of Structural Chemistry
- Fujian Institute of Research on the Structure of Matter
- Chinese Academy of Sciences, Fujian
- Fuzhou
- P. R. China
| | - Rong Cao
- State Key Laboratory of Structural Chemistry
- Fujian Institute of Research on the Structure of Matter
- Chinese Academy of Sciences, Fujian
- Fuzhou
- P. R. China
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36
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Wang C, Astruc D. Recent developments of nanocatalyzed liquid-phase hydrogen generation. Chem Soc Rev 2021; 50:3437-3484. [PMID: 33492311 DOI: 10.1039/d0cs00515k] [Citation(s) in RCA: 78] [Impact Index Per Article: 26.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
Hydrogen is the most effective and sustainable carrier of clean energy, and liquid-phase hydrogen storage materials with high hydrogen content, reversibility and good dehydrogenation kinetics are promising in view of "hydrogen economy". Efficient, low-cost, safe and selective hydrogen generation from chemical storage materials remains challenging, however. In this Review article, an overview of the recent achievements is provided, addressing the topic of nanocatalysis of hydrogen production from liquid-phase hydrogen storage materials including metal-boron hydrides, borane-nitrogen compounds, and liquid organic hydrides. The state-of-the-art catalysts range from high-performance nanocatalysts based on noble and non-noble metal nanoparticles (NPs) to emerging single-atom catalysts. Key aspects that are discussed include insights into the dehydrogenation mechanisms, regenerations from the spent liquid chemical hydrides, and tandem reactions using the in situ generated hydrogen. Finally, challenges, perspectives, and research directions for this area are envisaged.
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Affiliation(s)
- Changlong Wang
- Univ. Bordeaux, ISM, UMR CNRS 5255, 351 Cours de la Libération, 33405 Talence Cedex, France.
| | - Didier Astruc
- Univ. Bordeaux, ISM, UMR CNRS 5255, 351 Cours de la Libération, 33405 Talence Cedex, France.
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37
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Yu Y, Wang Z, Li Z, Hang X, Bi Y. Assembly of {Co 14} nanoclusters from adenine-modified Co 4-thiacalix[4]arene units. CrystEngComm 2021. [DOI: 10.1039/d1ce00440a] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
An adenine-modified Co4-thiacalix[4]arene unit can serve as a second building unit for fabrication of three Co14 clusters with different structures.
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Affiliation(s)
- Yanan Yu
- School of Petrochemical Engineering
- Liaoning Petrochemical University
- Fushun 113001
- P. R. China
| | - Zhao Wang
- School of Petrochemical Engineering
- Liaoning Petrochemical University
- Fushun 113001
- P. R. China
| | - Ziping Li
- School of Petrochemical Engineering
- Liaoning Petrochemical University
- Fushun 113001
- P. R. China
| | - Xinxin Hang
- School of Petrochemical Engineering
- Liaoning Petrochemical University
- Fushun 113001
- P. R. China
- School of Chemistry and Chemical Engineering
| | - Yanfeng Bi
- School of Petrochemical Engineering
- Liaoning Petrochemical University
- Fushun 113001
- P. R. China
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38
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Zhao X, Xue Z, Tan X, Liu Z, Chen W, Zhang B, Yang Y, Mu T. CO 2 -Assisted Fabrication of Defect-Engineered Carbon Nitride for Enhanced Electrocatalytic Hydrogen Evolution. Chem Asian J 2020; 15:4113-4117. [PMID: 33124161 DOI: 10.1002/asia.202000385] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2020] [Revised: 10/29/2020] [Indexed: 02/03/2023]
Abstract
Here, a defect-engineered carbon nitride (DCN) electrocatalyst has been synthesized by directly annealing of a rationally designed urea precursor. The existence of defect sites was investigated by detailed characterizations. When loading a small amount of Ru nanoparticles, the obtained DCN catalyst offers excellent catalytic activity for electrochemical hydrogen evolution reaction.
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Affiliation(s)
- Xinhui Zhao
- Department of Chemistry, Renmin University of China, Beijing, 100872, P. R. China
| | - Zhimin Xue
- Beijing Key Laboratory of Lignocellulosic Chemistry, College of Materials Science and Technology, Beijing Forestry University, Beijing, 100083, P. R. China
| | - Xingxing Tan
- Department of Chemistry, Renmin University of China, Beijing, 100872, P. R. China
| | - Zhenghui Liu
- School of Pharmaceutical and Materials Engineering, Taizhou University, Taizhou, 318000, P. R. China
| | - Wenjun Chen
- Department of Chemistry, Renmin University of China, Beijing, 100872, P. R. China
| | - Baolong Zhang
- Department of Chemistry, Renmin University of China, Beijing, 100872, P. R. China
| | - Yuechao Yang
- Department of Chemistry, Renmin University of China, Beijing, 100872, P. R. China
| | - Tiancheng Mu
- Department of Chemistry, Renmin University of China, Beijing, 100872, P. R. China
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39
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Zhang SY, Miao H, Zhang HM, Zhou JH, Zhuang Q, Zeng YJ, Gao Z, Yuan J, Sun JK. Accelerating Crystallization of Open Organic Materials by Poly(ionic liquid)s. Angew Chem Int Ed Engl 2020; 59:22109-22116. [PMID: 32748542 PMCID: PMC7756458 DOI: 10.1002/anie.202008415] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2020] [Indexed: 11/27/2022]
Abstract
The capability to significantly shorten the synthetic period of a broad spectrum of open organic materials presents an enticing prospect for materials processing and applications. Herein we discovered 1,2,4‐triazolium poly(ionic liquid)s (PILs) could serve as a universal additive to accelerate by at least one order of magnitude the growth rate of representative imine‐linked crystalline open organics, including organic cages, covalent organic frameworks (COFs), and macrocycles. This phenomenon results from the active C5‐protons in poly(1,2,4‐triazolium)s that catalyze the formation of imine bonds, and the simultaneous salting‐out effect (induced precipitation by decreasing solubility) that PILs exert on these crystallizing species.
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Affiliation(s)
- Su-Yun Zhang
- School of Chemistry and Chemical Engineering, Beijing Institute of Technology, Beijing, P. R. China.,College of Physics and Optoelectronic Engineering, Shenzhen University, Shenzhen, 518060, P. R. China
| | - Han Miao
- School of Materials Science and Engineering, Georgia Institute of Technology, Atlanta, GA, 30332, USA
| | - He-Min Zhang
- School of Energy and Chemical Engineering, Ulsan National Institute of Science & Technology (UNIST), Ulsan, 689-798, Republic of Korea
| | - Jun-Hao Zhou
- School of Chemistry and Chemical Engineering, Beijing Institute of Technology, Beijing, P. R. China
| | - Qiang Zhuang
- School of Chemistry and Chemical Engineering, Northwestern Polytechnical University, Xi'an, Shaanxi, 710072, P. R. China
| | - Yu-Jia Zeng
- College of Physics and Optoelectronic Engineering, Shenzhen University, Shenzhen, 518060, P. R. China
| | - Zhiming Gao
- School of Chemistry and Chemical Engineering, Beijing Institute of Technology, Beijing, P. R. China
| | - Jiayin Yuan
- Department of Materials and Environmental Chemistry, Stockholm University, 10691, Stockholm, Sweden
| | - Jian-Ke Sun
- School of Chemistry and Chemical Engineering, Beijing Institute of Technology, Beijing, P. R. China
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40
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Abstract
Metal-organic polyhedra are a member of metal-organic materials, and are together with metal-organic frameworks utilized as emerging porous platforms for numerous applications in energy- and bio-related sciences. However, metal-organic polyhedra have been significantly underexplored, unlike their metal-organic framework counterparts. In this review, we will cover the topologies and the classification of metal-organic polyhedra and share several suggestions, which might be useful to synthetic chemists regarding the future directions in this rapid-growing field.
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Affiliation(s)
- Soochan Lee
- Department of Chemistry, Ulsan National Institute of Science and Technology, UNIST-gil 50, Ulsan 44919, Republic of Korea.
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42
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Sun Q, Wang N, Xu Q, Yu J. Nanopore-Supported Metal Nanocatalysts for Efficient Hydrogen Generation from Liquid-Phase Chemical Hydrogen Storage Materials. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2020; 32:e2001818. [PMID: 32638425 DOI: 10.1002/adma.202001818] [Citation(s) in RCA: 88] [Impact Index Per Article: 22.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/16/2020] [Revised: 04/11/2020] [Accepted: 04/14/2020] [Indexed: 05/11/2023]
Abstract
Hydrogen has emerged as an environmentally attractive fuel and a promising energy carrier for future applications to meet the ever-increasing energy challenges. The safe and efficient storage and release of hydrogen remain a bottleneck for realizing the upcoming hydrogen economy. Hydrogen storage based on liquid-phase chemical hydrogen storage materials is one of the most promising hydrogen storage techniques, which offers considerable potential for large-scale practical applications for its excellent safety, great convenience, and high efficiency. Recently, nanopore-supported metal nanocatalysts have stood out remarkably in boosting the field of liquid-phase chemical hydrogen storage. Herein, the latest research progress in catalytic hydrogen production is summarized, from liquid-phase chemical hydrogen storage materials, such as formic acid, ammonia borane, hydrous hydrazine, and sodium borohydride, by using metal nanocatalysts confined within diverse nanoporous materials, such as metal-organic frameworks, porous carbons, zeolites, mesoporous silica, and porous organic polymers. The state-of-the-art synthetic strategies and advanced characterizations for these nanocatalysts, as well as their catalytic performances in hydrogen generation, are presented. The limitation of each hydrogen storage system and future challenges and opportunities on this subject are also discussed. References in related fields are provided, and more developments and applications to achieve hydrogen energy will be inspired.
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Affiliation(s)
- Qiming Sun
- State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, College of Chemistry, Jilin University, Changchun, 130012, P. R. China
| | - Ning Wang
- State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, College of Chemistry, Jilin University, Changchun, 130012, P. R. China
| | - Qiang Xu
- AIST-Kyoto University Chemical Energy Materials Open Innovation Laboratory (ChEM-OIL), National Institute of Advanced Industrial Science and Technology (AIST), Sakyo-ku, Kyoto, 606-8501, Japan
| | - Jihong Yu
- State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, College of Chemistry, Jilin University, Changchun, 130012, P. R. China
- International Center of Future Science, Jilin University, 2699 Qianjin Street, Changchun, 130012, P. R. China
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43
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Antonio AM, Korman KJ, Yap GPA, Bloch ED. Porous metal-organic alloys based on soluble coordination cages. Chem Sci 2020; 11:12540-12546. [PMID: 34123234 PMCID: PMC8163318 DOI: 10.1039/d0sc04941g] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023] Open
Abstract
Diverse strategies for the preparation of mixed-metal three-dimensional porous solids abound, although many of them lend themselves only moderate levels of tunability. Herein, we report the design and synthesis of surface functionalized permanently microporous coordination cages and their use in the isolation of mixed metal solids. Judicious alkoxide-based ligand functionalization was utilized to tune the solubility of starting copper(ii)-based cages and their resulting compatibility with the mixed-cage approach described here. We further prepared a family of isostructural molybdenum(ii) cages for a subset of the ligands. The preparation of mixed-metal cage solids proceeds under facile conditions where solutions of parent cages are mixed and product phases isolated. A suite of spectroscopic and characterization tools confirm the starting cages are intact in the amorphous product. Finally, we show that utilization of precise ligand functional groups can be used to prepare mixed cage solids that can be easily and cleanly separated into their constituent components through simple solvent washing or solvent extraction techniques.
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Affiliation(s)
- Alexandra M Antonio
- Department of Chemistry & Biochemistry, University of Delaware Newark DE 19716 USA
| | - Kyle J Korman
- Department of Chemistry & Biochemistry, University of Delaware Newark DE 19716 USA
| | - Glenn P A Yap
- Department of Chemistry & Biochemistry, University of Delaware Newark DE 19716 USA
| | - Eric D Bloch
- Department of Chemistry & Biochemistry, University of Delaware Newark DE 19716 USA
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44
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Zhang S, Miao H, Zhang H, Zhou J, Zhuang Q, Zeng Y, Gao Z, Yuan J, Sun J. Accelerating Crystallization of Open Organic Materials by Poly(ionic liquid)s. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.202008415] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
Affiliation(s)
- Su‐Yun Zhang
- School of Chemistry and Chemical Engineering Beijing Institute of Technology Beijing P. R. China
- College of Physics and Optoelectronic Engineering Shenzhen University Shenzhen 518060 P. R. China
| | - Han Miao
- School of Materials Science and Engineering Georgia Institute of Technology Atlanta GA 30332 USA
| | - He‐min Zhang
- School of Energy and Chemical Engineering Ulsan National Institute of Science & Technology (UNIST) Ulsan 689-798 Republic of Korea
| | - Jun‐Hao Zhou
- School of Chemistry and Chemical Engineering Beijing Institute of Technology Beijing P. R. China
| | - Qiang Zhuang
- School of Chemistry and Chemical Engineering Northwestern Polytechnical University Xi'an Shaanxi 710072 P. R. China
| | - Yu‐Jia Zeng
- College of Physics and Optoelectronic Engineering Shenzhen University Shenzhen 518060 P. R. China
| | - Zhiming Gao
- School of Chemistry and Chemical Engineering Beijing Institute of Technology Beijing P. R. China
| | - Jiayin Yuan
- Department of Materials and Environmental Chemistry Stockholm University 10691 Stockholm Sweden
| | - Jian‐Ke Sun
- School of Chemistry and Chemical Engineering Beijing Institute of Technology Beijing P. R. China
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45
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Wang W, Dai Z, Jiang R, Li Q, Zheng X, Liu W, Luo Z, Xu Z, Peng J. Highly Phosphatized Magnetic Catalyst with Electron Transfer Induced by Quaternary Synergy for Efficient Dehydrogenation of Ammonia Borane. ACS APPLIED MATERIALS & INTERFACES 2020; 12:43854-43863. [PMID: 32869975 DOI: 10.1021/acsami.0c13661] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Exploitation of high-efficiency and low-cost catalysts for dehydrogenation of the ideal hydrogen storage material (ammonia borane) can effectively promote the development of hydrogen economy. Here, we report an efficient and economical non-noble-metal magnetic catalyst (Ni0.23Co0.19P0.58@NHPC900) with nanoparticles uniformly distributed on MOF-derived (metal-organic framework) nitrogen-doped hierarchical porous carbon (NHPC900) by a one-step in situ synthesis method. The catalyst has achieved a superior initial total turnover frequency (TOF) of 125.2 molH2·molcat-1·min-1. Based on isotopic analyses and ion effects, we further obtain an unprecedentedly higher TOF of 282.4 molH2·molcat-1·min-1, the highest among non-noble-metal heterogeneous systems. Through experiments and theoretical studies, we confirm that the highly doped phosphorus component leads to a C-P-Ni-Co quaternary synergy in the catalyst. Then, the induced strong electron transfer and increased partial charge can reduce the reaction energy barrier, strengthen the adsorption of ammonia borane, and ultimately result in superior catalytic performance. The proposed mechanisms and strategies are helpful to develop non-noble-metal catalysts for practical applications of hydrogen energy systems in the future.
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Affiliation(s)
- Weizhe Wang
- School of Optical and Electronic Information, Huazhong University of Science and Technology (HUST), Wuhan 430074, P. R. China
| | - Zhaowei Dai
- School of Optical and Electronic Information, Huazhong University of Science and Technology (HUST), Wuhan 430074, P. R. China
| | - Rui Jiang
- School of Optical and Electronic Information, Huazhong University of Science and Technology (HUST), Wuhan 430074, P. R. China
| | - Qian Li
- School of Optical and Electronic Information, Huazhong University of Science and Technology (HUST), Wuhan 430074, P. R. China
| | - Xue Zheng
- School of Optical and Electronic Information, Huazhong University of Science and Technology (HUST), Wuhan 430074, P. R. China
| | - Wei Liu
- School of Optical and Electronic Information, Huazhong University of Science and Technology (HUST), Wuhan 430074, P. R. China
| | - Zigui Luo
- School of Optical and Electronic Information, Huazhong University of Science and Technology (HUST), Wuhan 430074, P. R. China
| | - Zhimou Xu
- School of Optical and Electronic Information, Huazhong University of Science and Technology (HUST), Wuhan 430074, P. R. China
| | - Jing Peng
- College of Science, Wuhan University of Science and Technology (WUST), Wuhan 430081, P. R. China
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46
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Yang Y, Duan Y, Deng D, Li D, Sui D, Gao X. Cu@Pd/C with Controllable Pd Dispersion as a Highly Efficient Catalyst for Hydrogen Evolution from Ammonia Borane. NANOMATERIALS 2020; 10:nano10091850. [PMID: 32947821 PMCID: PMC7558311 DOI: 10.3390/nano10091850] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/19/2020] [Revised: 09/11/2020] [Accepted: 09/14/2020] [Indexed: 12/21/2022]
Abstract
A series of Cu@Pd/C with different Pd contents was prepared using the galvanic reduction method to disperse Pd on the surface of Cu nanoparticles on Cu/C. The dispersion of Pd was regulated by the Cu(I) on the surface, which was introduced by pulse oxidation. The Cu2O did not react during the galvanic reduction process and restricted the Pd atoms to a specific area. The pulse oxidation method was demonstrated to be an effective process to control the oxidization degree of Cu on Cu/C and then to govern the dispersion of Pd. The catalysts were characterized by transmission electron microscopy (TEM), high-resolution transmission electron microscope (HRTEM), high angular annular dark field scanning TEM (HAADF-STEM), energy-dispersive spectroscopy (EDS) mapping, X-ray diffraction (XRD), X-ray photoelectron spectroscopy (XPS), auger electron spectroscopy (AES), and inductively coupled plasma optical emission spectrometer (ICP-OES), which were used to catalyze the hydrogen evolution from ammonia borane. The Cu@Pd/C had much higher activity than the PdCu/C, which was prepared by the impregnation method. The TOF increased as the Cu2O in Cu/C used for the preparation of Cu@Pd/C increased, and the maximum TOF was 465 molH2 min-1 molPd-1 at 298 K on Cu@Pd0.5/C-640 (0.5 wt % of Pd, 640 mL of air was pulsed during the preparation of Cu/C-640). The activity could be maintained in five continuous processes, showing the strong stability of the catalysts.
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Affiliation(s)
- Yanliang Yang
- Henan Key Laboratory of Function-Oriented Porous Materials, College of Chemistry and Chemical Engineering, Luoyang Normal University, Luoyang 471934, China; (D.D.); (D.L.); (D.S.)
- Correspondence: (Y.Y.); (X.G.)
| | - Ying Duan
- College of Food and Drug, Luoyang Normal University, Luoyang 471934, China;
| | - Dongsheng Deng
- Henan Key Laboratory of Function-Oriented Porous Materials, College of Chemistry and Chemical Engineering, Luoyang Normal University, Luoyang 471934, China; (D.D.); (D.L.); (D.S.)
| | - Dongmi Li
- Henan Key Laboratory of Function-Oriented Porous Materials, College of Chemistry and Chemical Engineering, Luoyang Normal University, Luoyang 471934, China; (D.D.); (D.L.); (D.S.)
| | - Dong Sui
- Henan Key Laboratory of Function-Oriented Porous Materials, College of Chemistry and Chemical Engineering, Luoyang Normal University, Luoyang 471934, China; (D.D.); (D.L.); (D.S.)
| | - Xiaohan Gao
- School of Chemistry and Material Science, College of Chemistry, Chemical Engineering and Environmental Engineering, Liaoning Shihua University, Fushun 113001, China
- Correspondence: (Y.Y.); (X.G.)
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47
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Cui X, Shyshkanov S, Nguyen TN, Chidambaram A, Fei Z, Stylianou KC, Dyson PJ. CO 2 Methanation via Amino Alcohol Relay Molecules Employing a Ruthenium Nanoparticle/Metal Organic Framework Catalyst. Angew Chem Int Ed Engl 2020; 59:16371-16375. [PMID: 32515536 PMCID: PMC7540592 DOI: 10.1002/anie.202004618] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2020] [Revised: 05/28/2020] [Indexed: 12/22/2022]
Abstract
Methanation of carbon dioxide (CO2 ) is attractive within the context of a renewable energy refinery. Herein, we report an indirect methanation method that harnesses amino alcohols as relay molecules in combination with a catalyst comprising ruthenium nanoparticles (NPs) immobilized on a Lewis acidic and robust metal-organic framework (MOF). The Ru NPs are well dispersed on the surface of the MOF crystals and have a narrow size distribution. The catalyst efficiently transforms amino alcohols to oxazolidinones (upon reaction with CO2 ) and then to methane (upon reaction with hydrogen), simultaneously regenerating the amino alcohol relay molecule. This protocol provides a sustainable, indirect way for CO2 methanation as the process can be repeated multiple times.
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Affiliation(s)
- Xinjiang Cui
- Institute of Chemical Sciences and EngineeringÉcole Polytechnique Fédérale de Lausanne (EPFL)1015LausanneSwitzerland
| | - Serhii Shyshkanov
- Institute of Chemical Sciences and EngineeringÉcole Polytechnique Fédérale de Lausanne (EPFL)1015LausanneSwitzerland
| | - Tu N. Nguyen
- Institute of Chemical Sciences and EngineeringÉcole Polytechnique Fédérale de Lausanne (EPFL Valais)Rue de l'Industrie 171951SionSwitzerland
- Helen Scientific Research and Technological Development Co., Ltd.Ho Chi Minh CityVietnam
| | - Arunraj Chidambaram
- Institute of Chemical Sciences and EngineeringÉcole Polytechnique Fédérale de Lausanne (EPFL Valais)Rue de l'Industrie 171951SionSwitzerland
| | - Zhaofu Fei
- Institute of Chemical Sciences and EngineeringÉcole Polytechnique Fédérale de Lausanne (EPFL)1015LausanneSwitzerland
| | - Kyriakos C. Stylianou
- Institute of Chemical Sciences and EngineeringÉcole Polytechnique Fédérale de Lausanne (EPFL Valais)Rue de l'Industrie 171951SionSwitzerland
- Department of ChemistryOregon State University53 Gilbert HallCorvallisOR97331-4003USA
| | - Paul J. Dyson
- Institute of Chemical Sciences and EngineeringÉcole Polytechnique Fédérale de Lausanne (EPFL)1015LausanneSwitzerland
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Zhou J, Zhang Z, Tang J, Qiao X. Synthesis of Pd nanoparticles supported on molecular porous materials by using polyoxovanadate-based metal organic polyhedra as reducing agent. INORG CHEM COMMUN 2020. [DOI: 10.1016/j.inoche.2020.108028] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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49
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Gou X, Liu T, Wang Y, Han Y. Ultrastable and Highly Catalytically Active N‐Heterocyclic‐Carbene‐Stabilized Gold Nanoparticles in Confined Spaces. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.202006569] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Xing‐Xing Gou
- Key Laboratory of Synthetic and Natural Functional Molecule of the Ministry of EducationCollege of Chemistry and Materials ScienceNorthwest University Xi'an 710127 P. R. China
| | - Tong Liu
- Key Laboratory of Synthetic and Natural Functional Molecule of the Ministry of EducationCollege of Chemistry and Materials ScienceNorthwest University Xi'an 710127 P. R. China
| | - Yao‐Yu Wang
- Key Laboratory of Synthetic and Natural Functional Molecule of the Ministry of EducationCollege of Chemistry and Materials ScienceNorthwest University Xi'an 710127 P. R. China
| | - Ying‐Feng Han
- Key Laboratory of Synthetic and Natural Functional Molecule of the Ministry of EducationCollege of Chemistry and Materials ScienceNorthwest University Xi'an 710127 P. R. China
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50
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Gou XX, Liu T, Wang YY, Han YF. Ultrastable and Highly Catalytically Active N-Heterocyclic-Carbene-Stabilized Gold Nanoparticles in Confined Spaces. Angew Chem Int Ed Engl 2020; 59:16683-16689. [PMID: 32533619 DOI: 10.1002/anie.202006569] [Citation(s) in RCA: 77] [Impact Index Per Article: 19.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2020] [Indexed: 12/13/2022]
Abstract
Controlling the size and surface functionalization of nanoparticles (NPs) can lead to improved properties and applicability. Herein, we demonstrate the efficiency of the metal-carbene template approach (MCTA) to synthesize highly robust and soluble three-dimensional polyimidazolium cages (PICs) of different sizes, each bearing numerous imidazolium groups, and use these as templates to synthesize and stabilize catalytically active, cavity-hosted, dispersed poly-N-heterocyclic carbene (NHC)-anchored gold NPs. Owing to the stabilization of the NHC ligands and the effective confinement of the cage cavities, the as-prepared poly-NHC-shell-encapsulated AuNPs displayed promising stability towards heat, pH, and chemical regents. Most notably, all the Au@PCCs (PCC=polycarbene cage) exhibited excellent catalytic activities in various chemical reactions, together with high stability and durability.
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Affiliation(s)
- Xing-Xing Gou
- Key Laboratory of Synthetic and Natural Functional Molecule of the Ministry of Education, College of Chemistry and Materials Science, Northwest University, Xi'an, 710127, P. R. China
| | - Tong Liu
- Key Laboratory of Synthetic and Natural Functional Molecule of the Ministry of Education, College of Chemistry and Materials Science, Northwest University, Xi'an, 710127, P. R. China
| | - Yao-Yu Wang
- Key Laboratory of Synthetic and Natural Functional Molecule of the Ministry of Education, College of Chemistry and Materials Science, Northwest University, Xi'an, 710127, P. R. China
| | - Ying-Feng Han
- Key Laboratory of Synthetic and Natural Functional Molecule of the Ministry of Education, College of Chemistry and Materials Science, Northwest University, Xi'an, 710127, P. R. China
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