201
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Zhou M, Zhu Z, Ju Y, Zhai Y, Jiao L, Liu M, Yang W, Tang J. Bimetallic FeCo–N–C catalyst for efficient oxygen reduction reaction. ELECTROANAL 2022. [DOI: 10.1002/elan.202200009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
| | | | | | | | - Lei Jiao
- Central China Normal University CHINA
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202
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Zhang BW, Zheng T, Wang YX, Du Y, Chu SQ, Xia Z, Amal R, Dou SX, Dai L. Highly efficient and selective electrocatalytic hydrogen peroxide production on Co-O-C active centers on graphene oxide. Commun Chem 2022; 5:43. [PMID: 36697643 PMCID: PMC9814078 DOI: 10.1038/s42004-022-00645-z] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2021] [Accepted: 02/07/2022] [Indexed: 01/28/2023] Open
Abstract
Electrochemical oxygen reduction provides an eco-friendly synthetic route to hydrogen peroxide (H2O2), a widely used green chemical. However, the kinetically sluggish and low-selectivity oxygen reduction reaction (ORR) is a key challenge to electrochemical production of H2O2 for practical applications. Herein, we demonstrate that single cobalt atoms anchored on oxygen functionalized graphene oxide form Co-O-C@GO active centres (abbreviated as Co1@GO for simplicity) that act as an efficient and durable electrocatalyst for H2O2 production. This Co1@GO electrocatalyst shows excellent electrochemical performance in O2-saturated 0.1 M KOH, exhibiting high reactivity with an onset potential of 0.91 V and H2O2 production of 1.0 mg cm-2 h-1 while affording high selectivity of 81.4% for H2O2. Our combined experimental observations and theoretical calculations indicate that the high reactivity and selectivity of Co1@GO for H2O2 electrogeneration arises from a synergistic effect between the O-bonded single Co atoms and adjacent oxygen functional groups (C-O bonds) of the GO present in the Co-O-C active centres.
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Affiliation(s)
- Bin-Wei Zhang
- Australian Carbon Materials Centre (A-CMC), School of Chemical Engineering, The University of New South Wales Sydney, Sydney, NSW, 2052, Australia
| | - Tao Zheng
- Department of Materials Science and Engineering, Department of Chemistry, University of North Texas, Denton, TX, 76203, USA
| | - Yun-Xiao Wang
- Institute for Superconducting and Electronic Materials, Australian Institute of Innovative Materials, University of Wollongong, Innovation Campus, Squires Way, North Wollongong, NSW, 2500, Australia
| | - Yi Du
- Institute for Superconducting and Electronic Materials, Australian Institute of Innovative Materials, University of Wollongong, Innovation Campus, Squires Way, North Wollongong, NSW, 2500, Australia
| | - Sheng-Qi Chu
- Beijing Synchrotron Radiation Facility, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing, 100049, People's Republic of China
| | - Zhenhai Xia
- Department of Materials Science and Engineering, Department of Chemistry, University of North Texas, Denton, TX, 76203, USA
| | - Rose Amal
- Australian Carbon Materials Centre (A-CMC), School of Chemical Engineering, The University of New South Wales Sydney, Sydney, NSW, 2052, Australia
| | - Shi-Xue Dou
- Institute for Superconducting and Electronic Materials, Australian Institute of Innovative Materials, University of Wollongong, Innovation Campus, Squires Way, North Wollongong, NSW, 2500, Australia
| | - Liming Dai
- Australian Carbon Materials Centre (A-CMC), School of Chemical Engineering, The University of New South Wales Sydney, Sydney, NSW, 2052, Australia.
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203
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Wang K, Chai H, Cao Y. Using Anion‐Exchange to Induce the Formation of Edge Defects in CoNx to Enhance ORR Activity. ChemCatChem 2022. [DOI: 10.1002/cctc.202200146] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Kun Wang
- Xinjiang University College of Chemistry CHINA
| | - Hui Chai
- Xinjiang University College of Chemistry CHINA
| | - Yali Cao
- Xinjiang University Institue of Applied Chemistry Shenli Road, No. 666 830046 Urumqi CHINA
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204
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Wang T, Sun C, Yan Y, Li F. Understanding the active sites of Fe-N-C materials and their properties in the ORR catalysis system. RSC Adv 2022; 12:9543-9549. [PMID: 35424919 PMCID: PMC8985124 DOI: 10.1039/d2ra00757f] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2022] [Accepted: 03/16/2022] [Indexed: 11/30/2022] Open
Abstract
Metal-N-C-based catalysts prepared by pyrolysis are frequently used in the oxygen reduction reaction (ORR). Zeolitic imidazolate frameworks (ZIFs), a type of metal organic framework (MOF), are selected as precursors due to their special structure and proper pore sizes. A series of Fe-N-C catalysts with different concentrations of 2-methylimidazole were prepared with a simple solvothermal-pyrolysis method, and the transformation productivity, morphology and ORR activity were investigated. It was found that the Fe-N-C catalyst with a 2-methylimidazole concentration of 0.53 mol L-1 had the best performance. In 0.1 M KOH solution, the half-wave potential was 0.852 V (vs. RHE), with the highest electrochemically active surface area (ECSA) of 94.1 cm2, and the ORR reaction was dominated by a 4-electron process. The current only decreased by 10.5% after 50 000 s of chronoamperometry (CA), while the half-wave potential only decreased 20 mV in 3 M methanol. Additionally, this catalyst cannot be poisoned by Cl- and SO3 2- ions in the ORR process. Finally, some typical ions including SCN-, Fe(CN)6 3- and Fe(CN)6 4- were used to inhibit the active sites, and it was determined that Fe(ii) is the real active species. The series of synthesis and testing experiments has significance in guiding optimization of the synthesis conditions and analysis of the mechanism of active sites in Fe-N-C materials.
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Affiliation(s)
- Tanlun Wang
- Beijing Key Laboratory for Catalysis and Separation, Department of Environment and Chemical Engineering, Beijing University of Technology Beijing 100124 China
| | - Chenxiang Sun
- Beijing Key Laboratory for Catalysis and Separation, Department of Environment and Chemical Engineering, Beijing University of Technology Beijing 100124 China
| | - Yong Yan
- Beijing Key Laboratory for Catalysis and Separation, Faculty of Environment and Life, Beijing University of Technology Beijing 100124 China
| | - Fan Li
- Beijing Key Laboratory for Catalysis and Separation, Department of Environment and Chemical Engineering, Beijing University of Technology Beijing 100124 China
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205
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Yuan Q, Gu Y, Feng S, Song X, Mu J, Li B, Li X, Cai Y, Jiang M, Yan L, Li J, Jiang Z, Wei Y, Ding Y. Sulfur-Promoted Hydrocarboxylation of Olefins on Heterogeneous Single-Rh-Site Catalysts. ACS Catal 2022. [DOI: 10.1021/acscatal.1c06039] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Qiao Yuan
- Dalian National Laboratory for Clean Energy, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Yating Gu
- National Engineering Laboratory for Methanol to Olefins, Dalian National Laboratory for Clean Energy, iChEM (Collaborative Innovation Center of Chemistry for Energy Materials), Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Siquan Feng
- Dalian National Laboratory for Clean Energy, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China
| | - Xiangen Song
- Dalian National Laboratory for Clean Energy, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China
| | - Jiali Mu
- Dalian National Laboratory for Clean Energy, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China
| | - Bin Li
- Dalian National Laboratory for Clean Energy, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Xingju Li
- Dalian National Laboratory for Clean Energy, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China
- Department of Chemical Physics, University of Science and Technology of China, Hefei 230026, China
| | - Yutong Cai
- Dalian National Laboratory for Clean Energy, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Miao Jiang
- Dalian National Laboratory for Clean Energy, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China
| | - Li Yan
- Dalian National Laboratory for Clean Energy, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China
| | - Jingwei Li
- Dalian National Laboratory for Clean Energy, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China
| | - Zheng Jiang
- Shanghai Synchrotron Radiation Facility, Shanghai Institute of Applied Physics, and Shanghai Advanced Research Institute, Chinese Academy of Sciences, Shanghai 201204, China
| | - Yingxu Wei
- National Engineering Laboratory for Methanol to Olefins, Dalian National Laboratory for Clean Energy, iChEM (Collaborative Innovation Center of Chemistry for Energy Materials), Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China
| | - Yunjie Ding
- Dalian National Laboratory for Clean Energy, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China
- State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China
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206
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Wang N, Zhao X, Zhang R, Yu S, Levell ZH, Wang C, Ma S, Zou P, Han L, Qin J, Ma L, Liu Y, Xin HL. Highly Selective Oxygen Reduction to Hydrogen Peroxide on a Carbon-Supported Single-Atom Pd Electrocatalyst. ACS Catal 2022. [DOI: 10.1021/acscatal.1c05633] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Nan Wang
- Department of Physics and Astronomy, University of California, Irvine, California 92697, United States
| | - Xunhua Zhao
- Texas Materials Institute, The University of Texas at Austin, Austin, Texas 78712, United States
| | - Rui Zhang
- Department of Physics and Astronomy, University of California, Irvine, California 92697, United States
| | - Saerom Yu
- Texas Materials Institute, The University of Texas at Austin, Austin, Texas 78712, United States
| | - Zachary H. Levell
- Texas Materials Institute, The University of Texas at Austin, Austin, Texas 78712, United States
| | - Chunyang Wang
- Department of Physics and Astronomy, University of California, Irvine, California 92697, United States
| | - Shaobo Ma
- Department of Physics and Astronomy, University of California, Irvine, California 92697, United States
| | - Peichao Zou
- Department of Physics and Astronomy, University of California, Irvine, California 92697, United States
| | - Lili Han
- Department of Physics and Astronomy, University of California, Irvine, California 92697, United States
| | - Jiayi Qin
- Department of Physics and Astronomy, University of California, Irvine, California 92697, United States
| | - Lu Ma
- National Synchrotron Light Source II, Brookhaven National Laboratory, Upton, New York 11973, United States
| | - Yuanyue Liu
- Texas Materials Institute, The University of Texas at Austin, Austin, Texas 78712, United States
| | - Huolin L. Xin
- Department of Physics and Astronomy, University of California, Irvine, California 92697, United States
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207
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Preparation of nitrogen-doped porous carbon modified by iron carbide and its application in an oxygen reduction reaction. J CHEM SCI 2022. [DOI: 10.1007/s12039-022-02041-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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208
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Zhao CX, Liu JN, Wang J, Wang C, Guo X, Li XY, Chen X, Song L, Li BQ, Zhang Q. A clicking confinement strategy to fabricate transition metal single-atom sites for bifunctional oxygen electrocatalysis. SCIENCE ADVANCES 2022; 8:eabn5091. [PMID: 35294235 PMCID: PMC8926326 DOI: 10.1126/sciadv.abn5091] [Citation(s) in RCA: 54] [Impact Index Per Article: 27.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/01/2021] [Accepted: 01/25/2022] [Indexed: 05/20/2023]
Abstract
Rechargeable zinc-air batteries call for high-performance bifunctional oxygen electrocatalysts. Transition metal single-atom catalysts constitute a promising candidate considering their maximum atom efficiency and high intrinsic activity. However, the fabrication of atomically dispersed transition metal sites is highly challenging, creating a need for for new design strategies and synthesis methods. Here, a clicking confinement strategy is proposed to efficiently predisperse transitional metal atoms in a precursor directed by click chemistry and ensure successful construction of abundant single-atom sites. Concretely, cobalt-coordinated porphyrin units are covalently clicked on the substrate for the confinement of the cobalt atoms and affording a Co-N-C electrocatalyst. The Co-N-C electrocatalyst exhibits impressive bifunctional oxygen electrocatalytic performances with an activity indicator ΔE of 0.79 V. This work extends the approach to prepare transition metal single-atom sites for efficient bifunctional oxygen electrocatalysis and inspires the methodology on precise synthesis of catalytic materials.
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Affiliation(s)
- Chang-Xin Zhao
- Beijing Key Laboratory of Green Chemical Reaction Engineering and Technology, Department of Chemical Engineering, Tsinghua University, Beijing 100084, China
| | - Jia-Ning Liu
- Beijing Key Laboratory of Green Chemical Reaction Engineering and Technology, Department of Chemical Engineering, Tsinghua University, Beijing 100084, China
| | - Juan Wang
- Advanced Research Institute of Multidisciplinary Science, Beijing Institute of Technology, Beijing 100081, China
- School of Materials Science and Engineering, Beijing Institute of Technology, Beijing 100081, China
| | - Changda Wang
- National Synchrotron Radiation Laboratory, CAS Center for Excellence in Nanoscience, University of Science and Technology of China, Hefei 230029, Anhui, China
| | - Xin Guo
- National Synchrotron Radiation Laboratory, CAS Center for Excellence in Nanoscience, University of Science and Technology of China, Hefei 230029, Anhui, China
| | - Xi-Yao Li
- Beijing Key Laboratory of Green Chemical Reaction Engineering and Technology, Department of Chemical Engineering, Tsinghua University, Beijing 100084, China
| | - Xiao Chen
- Beijing Key Laboratory of Green Chemical Reaction Engineering and Technology, Department of Chemical Engineering, Tsinghua University, Beijing 100084, China
| | - Li Song
- National Synchrotron Radiation Laboratory, CAS Center for Excellence in Nanoscience, University of Science and Technology of China, Hefei 230029, Anhui, China
| | - Bo-Quan Li
- Advanced Research Institute of Multidisciplinary Science, Beijing Institute of Technology, Beijing 100081, China
- School of Materials Science and Engineering, Beijing Institute of Technology, Beijing 100081, China
- Corresponding author. (B.-Q.L.); (Q.Z.)
| | - Qiang Zhang
- Beijing Key Laboratory of Green Chemical Reaction Engineering and Technology, Department of Chemical Engineering, Tsinghua University, Beijing 100084, China
- Corresponding author. (B.-Q.L.); (Q.Z.)
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209
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A new MnxOy/carbon nanorods derived from bimetallic Zn/Mn metal–organic framework as an efficient oxygen reduction reaction electrocatalyst for alkaline Zn-Air batteries. J Solid State Electrochem 2022. [DOI: 10.1007/s10008-022-05139-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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210
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Yoshii T, Chida K, Nishihara H, Tani F. Ordered carbonaceous frameworks: a new class of carbon materials with molecular-level design. Chem Commun (Camb) 2022; 58:3578-3590. [PMID: 35254359 DOI: 10.1039/d1cc07228e] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Ordered carbonaceous frameworks (OCFs) are a new class of carbon materials with a three-dimensional ordered structure synthesized by simple carbonization of metalloporphyrin crystals with polymerizable moieties. Carbonization via solid-state polymerization results in the formation of graphene-based ordered frameworks in which regularly aligned single-atomic metals are embedded. These unique structural features afford molecular-level designability like organic-based frameworks together with high electrical conductivity, thermal/chemical stability, and mechanical flexibility, towards a variety of applications including electrocatalysis and force-driven phase transition. This feature article summarizes the synthetic strategies and characteristics of OCFs in comparison with conventional organic-based frameworks and porous carbons, to discuss the potential applications and further development of the OCF family.
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Affiliation(s)
- Takeharu Yoshii
- Institute of Multidisciplinary Research for Advanced Materials, Tohoku University, 2-1-1 Katahira, Aoba-ku, Sendai, Miyagi, 980-8577, Japan.
| | - Koki Chida
- Institute of Multidisciplinary Research for Advanced Materials, Tohoku University, 2-1-1 Katahira, Aoba-ku, Sendai, Miyagi, 980-8577, Japan.
| | - Hirotomo Nishihara
- Institute of Multidisciplinary Research for Advanced Materials, Tohoku University, 2-1-1 Katahira, Aoba-ku, Sendai, Miyagi, 980-8577, Japan. .,Advanced Institute for Materials Research, Tohoku University, 2-1-1 Katahira, Aoba-ku, Sendai, Miyagi, 980-8577, Japan
| | - Fumito Tani
- Institute for Materials Chemistry and Engineering, Kyushu University, 744 Motooka, Nishi-ku, Fukuoka 819-0395, Japan.
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211
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Cui T, Wang YP, Ye T, Wu J, Chen Z, Li J, Lei Y, Wang D, Li Y. Engineering Dual Single-Atom Sites on 2D Ultrathin N-doped Carbon Nanosheets Attaining Ultra-Low-Temperature Zinc-Air Battery. Angew Chem Int Ed Engl 2022; 61:e202115219. [PMID: 34994045 DOI: 10.1002/anie.202115219] [Citation(s) in RCA: 128] [Impact Index Per Article: 64.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2021] [Indexed: 12/21/2022]
Abstract
Herein, a novel dual single-atom catalyst comprising adjacent Fe-N4 and Mn-N4 sites on 2D ultrathin N-doped carbon nanosheets with porous structure (FeMn-DSAC) was constructed as the cathode for a flexible low-temperature Zn-air battery (ZAB). FeMn-DSAC exhibits remarkable bifunctional activities for oxygen reduction reaction (ORR) and oxygen evolution reaction (OER). Control experiments and density functional theory calculations reveal that the catalytic activity arises from the cooperative effect of the Fe/Mn dual-sites aiding *OOH dissociation as well as the porous 2D nanosheet structure promoting active sits exposure and mass transfer during the reaction process. The excellent bifunctional activity of FeMn-DSAC enables the ZAB to operate efficiently at ultra-low temperature of -40 °C, delivering 30 mW cm-2 peak power density and retaining up to 86 % specific capacity from the room temperature counterpart.
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Affiliation(s)
- Tingting Cui
- Department of Chemistry, Tsinghua University, Beijing, 100084, China
| | - Yun-Peng Wang
- School of Physics and Electronics, Hunan Key Laboratory for Super-micro structure and Ultrafast Process, Central South University, Changsha, 410083, China
| | - Tong Ye
- State Key Laboratory of Powder Metallurgy, Central South University, Changsha, 410083, China
| | - Jiao Wu
- State Key Laboratory of Powder Metallurgy, Central South University, Changsha, 410083, China
| | - Zhiqiang Chen
- Department of Chemistry, Tsinghua University, Beijing, 100084, China
| | - Jiong Li
- Shanghai Synchrotron Radiation Facilities, Shanghai Institute of Applied Physics, Chinese Academy of Science, Shanghai, 201204, China
| | - Yongpeng Lei
- State Key Laboratory of Powder Metallurgy, Central South University, Changsha, 410083, China
| | - Dingsheng Wang
- Department of Chemistry, Tsinghua University, Beijing, 100084, China
| | - Yadong Li
- Department of Chemistry, Tsinghua University, Beijing, 100084, China
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212
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Gan X, Wang Y, Guo X, Wang F, Mao G, Lv X, Wang H. L–Cysteine Modulated ZIF for Deriving Nitrogen‐Doped Porous Carbon: A Highly Efficient and Stable Electrocatalyst for Oxygen Reduction Reactions. ChemistrySelect 2022. [DOI: 10.1002/slct.202104208] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Xingyu Gan
- School of Chemistry and Chemical Engineering Qufu Normal University, Qufu City Shandong Province 273165 P. R. China
| | - Yun Wang
- School of Chemistry and Chemical Engineering Qufu Normal University, Qufu City Shandong Province 273165 P. R. China
| | - Xinjie Guo
- School of Chemistry and Chemical Engineering Qufu Normal University, Qufu City Shandong Province 273165 P. R. China
| | - Fengxiang Wang
- School of Chemistry and Chemical Engineering Qufu Normal University, Qufu City Shandong Province 273165 P. R. China
| | - Guojiang Mao
- Henan Key Laboratory of Organic Functional Molecule and Drug Innovation Key Laboratory of Green Chemical Media and Reactions School of Chemistry and Chemical Engineering Ministry of Education Henan Normal University Xinxiang City Henan Province 453007 P.R. China
| | - Xiaoxia Lv
- School of Chemistry and Chemical Engineering Qufu Normal University, Qufu City Shandong Province 273165 P. R. China
| | - Hua Wang
- School of Chemistry and Chemical Engineering Qufu Normal University, Qufu City Shandong Province 273165 P. R. China
- School of Life Sciences Huzhou University Huzhou City Zhejiang Province 313000 P.R. China
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213
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Feng N, Li Q, Bai Q, Xu S, Shi J, Liu B, Guo J. Development of an Au-anchored Fe Single-atom nanozyme for biocatalysis and enhanced tumor photothermal therapy. J Colloid Interface Sci 2022; 618:68-77. [PMID: 35334363 DOI: 10.1016/j.jcis.2022.03.031] [Citation(s) in RCA: 24] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2021] [Revised: 03/05/2022] [Accepted: 03/07/2022] [Indexed: 11/17/2022]
Abstract
Near-infrared light-induced photothermal therapy (PTT) can achieve effective tumor ablation, but the associated hyperthermic temperatures result in off-target inflammatory damage to proximal tissues. Therefore, killing the tumor at a lower temperature is vital to improving the clinical effect of PTT. In this study, an Au-integrated Fe single-atom nanozyme (FeSAzyme) was developed through the immobilization of an ultrasmall Au nanozyme within a metal-organic framework via an in situ reduction approach. The nanozyme was found to exhibit favorable glucose oxidase- (GOD) like activity and photosensitizing properties to better achieve low-temperature PTT. The Au-carbon nanozyme was able to markedly inhibit tumor growth both in vitro and in vivo due to its GOD-like activity and enhanced photodynamic and photothermal properties. In addition, the integration of the Au nanozyme enhanced the FeSAzyme's peroxidase activity and catalyzed endogenous H2O2 species to generate reactive oxide species, thereby facilitating chemodynamic therapy. Furthermore, its integration markedly enhanced the PTT performance of the FeSAzyme, which achieved pronounced synergistic anti-tumor efficacy. The enzymatic activity and photothermal/photosensitive properties of the Au-FeSAzyme may help to overcome traditional therapeutic limitations, indicating its potential for catalytic cascade nanozymes in biomedical applications.
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Affiliation(s)
- Na Feng
- Department of Molecular pathology, Application Center for Precision Medicine, the Second Affiliated Hospital of Zhengzhou University, Academy of Medical Sciences, Zhengzhou University, Zhengzhou 450001, China
| | - Qing Li
- Department of Molecular pathology, Application Center for Precision Medicine, the Second Affiliated Hospital of Zhengzhou University, Academy of Medical Sciences, Zhengzhou University, Zhengzhou 450001, China
| | - Qian Bai
- Department of Molecular pathology, Application Center for Precision Medicine, the Second Affiliated Hospital of Zhengzhou University, Academy of Medical Sciences, Zhengzhou University, Zhengzhou 450001, China
| | - Shicheng Xu
- Henan Institute of Medical and Pharmaceutical Science, Zhengzhou University, No. 40 Daxue Road, Zhengzhou 450052, China
| | - Jianxiang Shi
- Department of Molecular pathology, Application Center for Precision Medicine, the Second Affiliated Hospital of Zhengzhou University, Academy of Medical Sciences, Zhengzhou University, Zhengzhou 450001, China; Henan Institute of Medical and Pharmaceutical Science, Zhengzhou University, No. 40 Daxue Road, Zhengzhou 450052, China
| | - Bingjie Liu
- Department of Molecular pathology, Application Center for Precision Medicine, the Second Affiliated Hospital of Zhengzhou University, Academy of Medical Sciences, Zhengzhou University, Zhengzhou 450001, China.
| | - Jiancheng Guo
- Department of Molecular pathology, Application Center for Precision Medicine, the Second Affiliated Hospital of Zhengzhou University, Academy of Medical Sciences, Zhengzhou University, Zhengzhou 450001, China; Henan Institute of Medical and Pharmaceutical Science, Zhengzhou University, No. 40 Daxue Road, Zhengzhou 450052, China.
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214
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Liu S, Geng S, Li L, Zhang Y, Ren G, Huang B, Hu Z, Lee JF, Lai YH, Chu YH, Xu Y, Shao Q, Huang X. A top-down strategy for amorphization of hydroxyl compounds for electrocatalytic oxygen evolution. Nat Commun 2022; 13:1187. [PMID: 35246554 PMCID: PMC8897429 DOI: 10.1038/s41467-022-28888-3] [Citation(s) in RCA: 29] [Impact Index Per Article: 14.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2021] [Accepted: 01/20/2022] [Indexed: 11/08/2022] Open
Abstract
Amorphous materials have attracted increasing attention in diverse fields due to their unique properties, yet their controllable fabrications still remain great challenges. Here, we demonstrate a top-down strategy for the fabrications of amorphous oxides through the amorphization of hydroxides. The versatility of this strategy has been validated by the amorphizations of unitary, binary and ternary hydroxides. Detailed characterizations indicate that the amorphization process is realized by the variation of coordination environment during thermal treatment, where the M-OH octahedral structure in hydroxides evolves to M-O tetrahedral structure in amorphous oxides with the disappearance of the M-M coordination. The optimal amorphous oxide (FeCoSn(OH)6-300) exhibits superior oxygen evolution reaction (OER) activity in alkaline media, where the turnover frequency (TOF) value is 39.4 times higher than that of FeCoSn(OH)6. Moreover, the enhanced OER performance and the amorphization process are investigated with density functional theory (DFT) and molecule dynamics (MD) simulations. The reported top-down fabrication strategy for fabricating amorphous oxides, may further promote fundamental research into and practical applications of amorphous materials for catalysis.
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Affiliation(s)
- Shangheng Liu
- State Key Laboratory of Physical Chemistry of Solid Surfaces, College of Chemistry and Chemical Engineering, Xiamen University, 361005, Xiamen, China
- College of Chemistry, Chemical Engineering and Materials Science, Soochow University, 215123, Jiangsu, China
| | - Shize Geng
- College of Chemistry, Chemical Engineering and Materials Science, Soochow University, 215123, Jiangsu, China
| | - Ling Li
- College of Chemistry, Chemical Engineering and Materials Science, Soochow University, 215123, Jiangsu, China
| | - Ying Zhang
- State Key Laboratory of Physical Chemistry of Solid Surfaces, College of Chemistry and Chemical Engineering, Xiamen University, 361005, Xiamen, China
| | - Guomian Ren
- Guangzhou Key Laboratory of Low-Dimensional Materials and Energy Storage Devices, Collaborative Innovation Center of Advanced Energy Materials, School of Materials and Energy, Guangdong University of Technology, 510006, Guangzhou, China
| | - Bolong Huang
- Department of Applied Biology and Chemical Technology, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong SAR, China.
| | - Zhiwei Hu
- Max Planck Institute for Chemical Physics of Solids, Nothnitzer Strasse 40, 01187, Dresden, Germany
| | - Jyh-Fu Lee
- National Synchrotron Radiation Research Center, 101 Hsin-Ann Road, 30076, Hsinchu, Taiwan
| | - Yu-Hong Lai
- Department of Materials Science and Engineering, National Yang Ming Chiao Tung University, 30010, Hsinchu, Taiwan
| | - Ying-Hao Chu
- Department of Materials Science and Engineering, National Yang Ming Chiao Tung University, 30010, Hsinchu, Taiwan
| | - Yong Xu
- Guangzhou Key Laboratory of Low-Dimensional Materials and Energy Storage Devices, Collaborative Innovation Center of Advanced Energy Materials, School of Materials and Energy, Guangdong University of Technology, 510006, Guangzhou, China.
| | - Qi Shao
- College of Chemistry, Chemical Engineering and Materials Science, Soochow University, 215123, Jiangsu, China
| | - Xiaoqing Huang
- State Key Laboratory of Physical Chemistry of Solid Surfaces, College of Chemistry and Chemical Engineering, Xiamen University, 361005, Xiamen, China.
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215
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Li J, Yue MF, Wei YM, Li JF. Synthetic strategies of single-atoms catalysts and applications in electrocatalysis. Electrochim Acta 2022. [DOI: 10.1016/j.electacta.2022.139835] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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216
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217
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Liu S, Wang L, Yang H, Gao S, Liu Y, Zhang S, Chen Y, Liu X, Luo J. Nitrogen-Doped Carbon Polyhedrons Confined Fe-P Nanocrystals as High-Efficiency Bifunctional Catalysts for Aqueous Zn-CO 2 Batteries. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2022; 18:e2104965. [PMID: 35032144 DOI: 10.1002/smll.202104965] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/18/2021] [Revised: 11/27/2021] [Indexed: 06/14/2023]
Abstract
Emerging Fe bonded with heteroatom P in carbon matrix (FePC) holds great promise for electrochemical catalysis, but the design of highly active and cost-efficient FePC structure for the electrocatalytic CO2 reduction reaction (CO2 RR) and aqueous ZnCO2 batteries (ZCBs) is still challenging. Herein, polyhedron-shaped bifunctional electrocatalysts, FeP nanocrystals anchored in N-doped carbon polyhedrons (Fe-P@NCPs), toward a reversible aqueous ZnCO2 battery, are reported. The Fe-P@NCPs are synthesized through a facile strategy by using self-templated zeolitic imidazolate frameworks (ZIFs), followed by an in situ high-temperature calcination. The resultant catalysts exhibit aqueous CO2 RR activity with a CO Faradaic efficiency up to 95% at -0.55 V versus reversible hydrogen electrode (RHE), comparable to the previously best-reported values of FeNC structure. The as-constructed ZCBs with designed Fe-P@NCPs cathode, show the peak power density of 0.85 mW cm-2 and energy density of 231.8 Wh kg-1 with a cycling durability over 500 cycles, and outstanding stability in terms of discharge voltage for 7 days. The high selectivity and efficiency of the battery are attributed to the presence of highly catalytic FeP nanocrystals in N-doped carbon matrix, which can effectively increase the number of catalytically active sites and interfacial charge-transfer conductivity, thereby improving the CO2 RR activity.
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Affiliation(s)
- Shuai Liu
- Institute for New Energy Materials and Low-Carbon Technologies, Tianjin Key Lab for Photoelectric Materials and Devices, School of Materials Science and Engineering, Tianjin University of Technology, Tianjin, 300384, China
| | - Lei Wang
- Tianjin Key Laboratory of Organic Solar Cells and Photochemical Conversion, Tianjin Key Laboratory of Drug Targeting and Bioimaging, School of Chemistry and Chemical Engineering, Tianjin University of Technology, Tianjin, 300384, China
| | - Hui Yang
- School of Materials Science and Engineering, Tianjin University of Technology, Tianjin, 300384, China
| | - Sanshuang Gao
- Institute for New Energy Materials and Low-Carbon Technologies, Tianjin Key Lab for Photoelectric Materials and Devices, School of Materials Science and Engineering, Tianjin University of Technology, Tianjin, 300384, China
| | - Yifan Liu
- College of Physics and Optoelectronic Engineering, Shenzhen University, Shenzhen, 518060, China
| | - Shusheng Zhang
- College of Chemistry, Zhengzhou University, Zhengzhou, 450000, China
| | - Yu Chen
- Tianjin Key Laboratory of Organic Solar Cells and Photochemical Conversion, Tianjin Key Laboratory of Drug Targeting and Bioimaging, School of Chemistry and Chemical Engineering, Tianjin University of Technology, Tianjin, 300384, China
| | - Xijun Liu
- Institute for New Energy Materials and Low-Carbon Technologies, Tianjin Key Lab for Photoelectric Materials and Devices, School of Materials Science and Engineering, Tianjin University of Technology, Tianjin, 300384, China
- MOE Key Laboratory of New Processing Technology for Non-Ferrous Metals and Materials, and Guangxi Key Laboratory of Processing for Non-Ferrous Metals and Featured Materials, School of Resource, Environments and Materials, Guangxi University, Nanning, 530004, China
| | - Jun Luo
- Institute for New Energy Materials and Low-Carbon Technologies, Tianjin Key Lab for Photoelectric Materials and Devices, School of Materials Science and Engineering, Tianjin University of Technology, Tianjin, 300384, China
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218
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Yang H, Liu Y, Liu X, Wang X, Tian H, Waterhouse GI, Kruger PE, Telfer SG, Ma S. Large-scale synthesis of N-doped carbon capsules supporting atomically dispersed iron for efficient oxygen reduction reaction electrocatalysis. ESCIENCE 2022; 2:227-234. [DOI: doi.org/10.1016/j.esci.2022.02.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/25/2023]
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219
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Roles of Zn single atom over carbon nitride-based heterojunction in boosting photogenerated carrier transfer. Sep Purif Technol 2022. [DOI: 10.1016/j.seppur.2021.120404] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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220
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Sakurai S, Yamada M, He J, Hata K, Futaba DN. A Hydrogen-Free Approach for Activating an Fe Catalyst Using Trace Amounts of Noble Metals and Confinement into Nanoparticles. J Phys Chem Lett 2022; 13:1879-1885. [PMID: 35175057 DOI: 10.1021/acs.jpclett.2c00144] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Metallic iron (Fe) represents an exceptionally active catalyst, as shown in its use in the Haber-Bosch process to dissociate nitrogen molecules; however, the ease of corrosion by oxidation limits its usage. Hence, in most applications using metallic Fe catalysts, hydrogen is a necessary reactant. We report a novel hydrogen-free approach to fabricating reduced, highly active, and corrosion-resistive Fe-based catalysts using trace levels of noble metals (NMs) such as Ir, Rh, and Pt confined in the nanoparticle (NP). X-ray photoelectron spectroscopy (XPS) revealed that as little as ∼0.3 atom % was sufficient to induce the reduction of Fe. Extensive XPS analysis showed that the reduced NM atoms segregated to the NP surface and reduced the surrounding Fe atoms. We demonstrated the catalytic activity of the nanoparticles by the efficient synthesis of submillimeter tall, vertically aligned, and mainly double-walled carbon nanotube arrays using a completely hydrogen-free chemical vapor deposition process.
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Affiliation(s)
- Shunsuke Sakurai
- CNT-Application Research Center, National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba Central 5, 1-1-1 Higashi, Tsukuba, Ibaraki 305-8565, Japan
| | - Maho Yamada
- CNT-Application Research Center, National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba Central 5, 1-1-1 Higashi, Tsukuba, Ibaraki 305-8565, Japan
| | - Jinping He
- CNT-Application Research Center, National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba Central 5, 1-1-1 Higashi, Tsukuba, Ibaraki 305-8565, Japan
| | - Kenji Hata
- CNT-Application Research Center, National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba Central 5, 1-1-1 Higashi, Tsukuba, Ibaraki 305-8565, Japan
| | - Don N Futaba
- CNT-Application Research Center, National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba Central 5, 1-1-1 Higashi, Tsukuba, Ibaraki 305-8565, Japan
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221
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Tang M, Li J, Cai X, Sun T, Chen C. Single-atom Nanozymes for Biomedical Applications: Recent Advances and Challenges. Chem Asian J 2022; 17:e202101422. [PMID: 35143111 DOI: 10.1002/asia.202101422] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2021] [Revised: 02/08/2022] [Indexed: 11/07/2022]
Abstract
Nanozymes have received extensive attention in the fields of sensing and detection, medical therapy, industry, and agriculture thanks to the combination of the catalytic properties of natural enzymes and the physicochemical properties of nanomaterials, coupled with superior stability and ease of preparation. Despite the promise of nanozymes, conventional nanozymes are constrained by their oversized size and low catalytic capacity in sophisticated practical application environments. single-atom nanozymes (SAzymes) were characterized as nanozymes with high catalytic efficiency by uniformly distributed single atoms as catalysis sites, thus effectively addressing the defects of conventional nanozymes. This paper reviews the activity improvement scheme and catalytic mechanism of SAzymes and highlights the latest research progress of SAzymes in the fields of biomedical sensing and therapy. Eventually, the challenges and future directions of SAzymes are discussed in this paper.
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Affiliation(s)
- Minglu Tang
- Northeast Forestry University, Department of chemistry, CHINA
| | - Jingqi Li
- Northeast Forestry University, Department of chemistry, CHINA
| | - Xinda Cai
- Northeast Forestry University, Department of chemistry, CHINA
| | - Tiedong Sun
- Northeast Forestry University, 26 Hexing road, Xiangfang district, Harbin city, Heilongjiang province, 150040, Harbin, CHINA
| | - Chunxia Chen
- Northeast Forestry University, Department of chemistry, CHINA
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222
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Cao LM, Zhang J, Zhang XF, He CT. Confinement synthesis in porous molecule-based materials: a new opportunity for ultrafine nanostructures. Chem Sci 2022; 13:1569-1593. [PMID: 35282621 PMCID: PMC8827140 DOI: 10.1039/d1sc05983a] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2021] [Accepted: 12/22/2021] [Indexed: 12/25/2022] Open
Abstract
A balance between activity and stability is greatly challenging in designing efficient metal nanoparticles (MNPs) for heterogeneous catalysis. Generally, reducing the size of MNPs to the atomic scale can provide high atom utilization, abundant active sites, and special electronic/band structures, for vastly enhancing their catalytic activity. Nevertheless, due to the dramatically increased surface free energy, such ultrafine nanostructures often suffer from severe aggregation and/or structural degradation during synthesis and catalysis, greatly weakening their reactivities, selectivities and stabilities. Porous molecule-based materials (PMMs), mainly including metal-organic frameworks (MOFs), covalent organic frameworks (COFs) and porous organic polymers (POPs) or cages (POCs), exhibit high specific surface areas, high porosity, and tunable molecular confined space, being promising carriers or precursors to construct ultrafine nanostructures. The confinement effects of their nano/sub-nanopores or specific binding sites can not only effectively limit the agglomeration and growth of MNPs during reduction or pyrolysis processes, but also stabilize the resultant ultrafine nanostructures and modulate their electronic structures and stereochemistry in catalysis. In this review, we highlight the latest advancements in the confinement synthesis in PMMs for constructing atomic-scale nanostructures, such as ultrafine MNPs, nanoclusters, and single atoms. Firstly, we illustrated the typical confinement methods for synthesis. Secondly, we discussed different confinement strategies, including PMM-confinement strategy and PMM-confinement pyrolysis strategy, for synthesizing ultrafine nanostructures. Finally, we put forward the challenges and new opportunities for further applications of confinement synthesis in PMMs.
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Affiliation(s)
- Li-Ming Cao
- Key Laboratory of Functional Small Molecules for Ministry of Education, College of Chemistry and Chemical Engineering, College of Life Science, Jiangxi Normal University Nanchang 330022 China
| | - Jia Zhang
- Key Laboratory of Functional Small Molecules for Ministry of Education, College of Chemistry and Chemical Engineering, College of Life Science, Jiangxi Normal University Nanchang 330022 China
| | - Xue-Feng Zhang
- Key Laboratory of Functional Small Molecules for Ministry of Education, College of Chemistry and Chemical Engineering, College of Life Science, Jiangxi Normal University Nanchang 330022 China
| | - Chun-Ting He
- Key Laboratory of Functional Small Molecules for Ministry of Education, College of Chemistry and Chemical Engineering, College of Life Science, Jiangxi Normal University Nanchang 330022 China
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223
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Ouyang H, Xian J, Gao J, Zhang L, Wang W, Fu Z. Highly Sensitive Chemiluminescent Immunoassay of Mycotoxins Using ZIF-8-Derived Yolk-Shell Co Single-Atom Site Catalysts as Superior Fenton-like Probes. Anal Chem 2022; 94:3400-3407. [PMID: 35138805 DOI: 10.1021/acs.analchem.1c05557] [Citation(s) in RCA: 20] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Superior to traditional nanoscale catalysts, single-atom site catalysts (SASCs) show such merits as maximal catalysis efficiency and outstanding catalytic activity for the construction of analytical methodological platforms. Hereby, an in situ etching strategy was designed to prepare yolk-shell Co SASCs derived from ZIF-8@SiO2 nanoparticles. On the basis of direct chemical interactions between precursors and supports, the Co element with isolated atomic dispersion was anchored on ZIF-8@SiO2 nanoparticles. The Co SASCs possess high Fenton-like activity and thus can catalyze the decomposition of H2O2 to produce massive superoxide radical anions instead of singlet oxygen and hydroxyl radicals. With the activity for producing superoxide radical anion, Co SASCs can greatly improve the chemiluminescent (CL) response of a luminol system by 3133.7 times. Furthermore, the SASCs with active sites of Co-O5 moieties were utilized as the CL probes for establishment of an immunoassay method for sensitive detection of mycotoxins by adopting aflatoxin B1 as a mode analyte. The quantitation range is 10-1000 pg/mL, and the limit of detection is 0.44 pg/mL (3σ) for aflatoxin B1. The proof-of-principle work elucidates the practicability of direct chemical interactions between precursors and supports for forming SASCs with ultrahigh CL response, which can be extended to the exploitation of more sorts of SASCs for tracing biological binding events.
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Affiliation(s)
- Hui Ouyang
- Key Laboratory of Luminescence Analysis and Molecular Sensing (Ministry of Education), College of Pharmaceutical Sciences, Southwest University, Chongqing 400716, China
| | - Jiaxin Xian
- Key Laboratory of Luminescence Analysis and Molecular Sensing (Ministry of Education), College of Pharmaceutical Sciences, Southwest University, Chongqing 400716, China
| | - Jiaqi Gao
- Key Laboratory of Luminescence Analysis and Molecular Sensing (Ministry of Education), College of Pharmaceutical Sciences, Southwest University, Chongqing 400716, China
| | - Lvxia Zhang
- Key Laboratory of Luminescence Analysis and Molecular Sensing (Ministry of Education), College of Pharmaceutical Sciences, Southwest University, Chongqing 400716, China
| | - Wenwen Wang
- Key Laboratory of Luminescence Analysis and Molecular Sensing (Ministry of Education), College of Pharmaceutical Sciences, Southwest University, Chongqing 400716, China
| | - Zhifeng Fu
- Key Laboratory of Luminescence Analysis and Molecular Sensing (Ministry of Education), College of Pharmaceutical Sciences, Southwest University, Chongqing 400716, China
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224
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Najam T, Ahmad Khan N, Ahmad Shah SS, Ahmad K, Sufyan Javed M, Suleman S, Sohail Bashir M, Hasnat MA, Rahman MM. Metal-Organic Frameworks Derived Electrocatalysts for Oxygen and Carbon Dioxide Reduction Reaction. CHEM REC 2022; 22:e202100329. [PMID: 35119193 DOI: 10.1002/tcr.202100329] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2021] [Revised: 01/22/2022] [Indexed: 12/26/2022]
Abstract
The increasing demands of energy and environmental concerns have motivated researchers to cultivate renewable energy resources for replacing conventional fossil fuels. The modern energy conversion and storage devices required high efficient and stable electrocatalysts to fulfil the market demands. In previous years, we are witness for considerable developments of scientific attention in Metal-organic Frameworks (MOFs) and their derived nanomaterials in electrocatalysis. In current review article, we have discussed the progress of optimistic strategies and approaches for the manufacturing of MOF-derived functional materials and their presentation as electrocatalysts for significant energy related reactions. MOFs functioning as a self-sacrificing template bid different benefits for the preparation of metal nanostructures, metal oxides and carbon-abundant materials promoting through the porous structure, organic functionalities, abundance of metal sites and large surface area. Thorough study for the recent advancement in the MOF-derived materials, metal-coordinated N-doped carbons with single-atom active sites are emerging candidates for future commercial applications. However, there are some tasks that should be addressed, to attain improved, appreciative and controlled structural parameters for catalytic and chemical behavior.
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Affiliation(s)
- Tayyaba Najam
- College of Chemistry and Environmental Engineering, Shenzhen University, Shenzhen, 518060, China
| | - Naseem Ahmad Khan
- Institute of Chemistry, The Islamia University of Bahawalpur, Bahawalpur, 63100, Pakistan
| | - Syed Shoaib Ahmad Shah
- Institute of Chemistry, The Islamia University of Bahawalpur, Bahawalpur, 63100, Pakistan.,Hefei National Laboratory for Physical Sciences at the Microscale, CAS Key Laboratory of Soft Matter Chemistry, Department of Chemistry, University of Science and Technology of China, Hefei, Anhui 230026, P.R. China
| | - Khalil Ahmad
- Institute of Chemistry, The Islamia University of Bahawalpur, Bahawalpur, 63100, Pakistan
| | - Muhammad Sufyan Javed
- School of Physical Science and Technology, Lanzhou University, Lanzhou, 730000, China
| | - Suleman Suleman
- Hefei National Laboratory for Physical Sciences at the Microscale, CAS Key Laboratory of Soft Matter Chemistry, Department of Chemistry, University of Science and Technology of China, Hefei, Anhui 230026, P.R. China
| | - Muhammad Sohail Bashir
- Hefei National Laboratory for Physical Sciences at the Microscale, CAS Key Laboratory of Soft Matter Chemistry, Department of Polymer Science and Engineering, University of Science and Technology of China, Hefei, Anhui 230026, P.R. China
| | - Mohammad A Hasnat
- Electrochemistry & Catalysis Research Laboratory (ECRL), Department of Chemistry, School of Physical Sciences, Shahjalal University of Science and Technology, Sylhet, 3100, Bangladesh
| | - Mohammed M Rahman
- Center of Excellence for Advanced Materials Research (CEAMR) & Department of Chemistry, Faculty of Science, King Abdulaziz University, Jeddah, 21589, Jeddah, Saudi Arabia
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225
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Single-atomic Fe anchored on hierarchically porous carbon frame for efficient oxygen reduction performance. CHINESE CHEM LETT 2022. [DOI: 10.1016/j.cclet.2021.05.052] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
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226
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Song Y, He T, Zhang Y, Yin C, Chen Y, Liu Q, Zhang Y, Chen S. Cobalt single atom sites in carbon aerogels for ultrasensitive enzyme-free electrochemical detection of glucose. J Electroanal Chem (Lausanne) 2022. [DOI: 10.1016/j.jelechem.2022.116024] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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227
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Choi EY, Lee D, Kim J, Kim CK, Kang E. Enhanced electrocatalytic activity of N-doped nano-onion/gold nanorod nanocomposites for the oxygen reduction reaction. Electrochim Acta 2022. [DOI: 10.1016/j.electacta.2021.139816] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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228
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Liu M, Wang L, Zhang L, Zhao Y, Chen K, Li Y, Yang X, Zhao L, Sun S, Zhang J. In-Situ Silica Xerogel Assisted Facile Synthesis of Fe-N-C Catalysts with Dense Fe-N x Active Sites for Efficient Oxygen Reduction. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2022; 18:e2104934. [PMID: 35018715 DOI: 10.1002/smll.202104934] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/16/2021] [Revised: 11/29/2021] [Indexed: 06/14/2023]
Abstract
In the past decade, atomically dispersed Fe active sites (coordinated with nitrogen) on carbon materials (FeNC) have emerged rapidly as promising single-atom catalysts (SACs) for the oxygen reduction reaction (ORR) to substitute precious group metal (PGM) catalysts, owing to their earth abundance and low cost. Nonetheless, the production of highly active FeNC SACs is largely restricted by material cost, low product yield and difficulty of microstructure design. Herein, the authors demonstrate a facile in-situ xerogel (ISG) assisted synthetic strategy, using cheap materials, to construct FeNC SACs (ISG FeNC). The porous silica xerogel, formed in-situ with the FeNC precursors, encourages the emergence of enormous micropores/mesopores and homogeneous confinement/protection to the precursors during pyrolysis, benefiting to the formation of abundant accessible active sites (27.6 × 1019 sites g-1 ). Correspondingly, the ISG FeNC exhibits excellent ORR activity with a half-wave potential (E1/2 = 0.91 V) in alkaline medium. The Zn-air battery assembled using the ISG FeNC SACs as the bifunctional catalyst of air cathode, demonstrates commendable performance with high peak power density of 249.1 mW cm-2 and superior long-term stability (660 cycles with 220 h). This work offers an economic and efficient way to fabricate PGM-free SACs for diverse applications.
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Affiliation(s)
- Maosong Liu
- Institute of Quantum and Sustainable Technology (IQST), School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang, 212013, China
| | - Lijuan Wang
- Institute of Quantum and Sustainable Technology (IQST), School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang, 212013, China
| | - Long Zhang
- Institute of Quantum and Sustainable Technology (IQST), School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang, 212013, China
| | - Yiran Zhao
- Shanghai Qibao Dwight High School, Shanghai, 201101, China
| | - Kangmin Chen
- Instrumental Analysis Center, Jiangsu University, Zhenjiang, 212013, China
| | - Yanxiao Li
- Instrumental Analysis Center, Jiangsu University, Zhenjiang, 212013, China
| | - Xiaohua Yang
- Institute of Quantum and Sustainable Technology (IQST), School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang, 212013, China
| | - Long Zhao
- Institute of Quantum and Sustainable Technology (IQST), School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang, 212013, China
| | - Shuhui Sun
- Institut National de la Recherche Scientifique (INRS), Center for Energy, Materials and Telecommunications, Quebec, J3×1S2, Canada
| | - Jianming Zhang
- Institute of Quantum and Sustainable Technology (IQST), School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang, 212013, China
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229
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Gao L, Gao X, Jiang P, Zhang C, Guo H, Cheng Y. Atomically Dispersed Iron with Densely Exposed Active Sites as Bifunctional Oxygen Catalysts for Zinc-Air Flow Batteries. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2022; 18:e2105892. [PMID: 34898014 DOI: 10.1002/smll.202105892] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/26/2021] [Revised: 11/04/2021] [Indexed: 06/14/2023]
Abstract
Atomically dispersed iron embedded carbon is a promising bifunctional catalyst for the oxygen reduction reaction (ORR) and oxygen evolution reaction (OER), but its exposed iron sites must be increased. Herein, the authors propose a double steric hindrance strategy by using zeolitic imidazolate frameworks-8 as the first barrier skeleton and encapsulated phenylboronic acid as the second space obstruction to realize densely exposed atomic iron sites. Prepared PA@Z8-FeNC has the highest iron content (5.49 wt%) among reported transition-metal-based single-atom oxygen catalysts. Meanwhile, its concave surfaces, hollow structures, and hierarchical pores enable the high utilization rate of iron sites to 88.5 ± 4.5% and exposed active site density to 5.2 ± 0.3 × 1020 sites g-1 . Resultantly, PA@Z8-FeNC exhibits superior activity and stability to commercial Pt/C and IrO2 for the ORR and OER in half-cells and zinc-air flow batteries. This provides insight for developing densely and accessibly active sites in single-atom catalysts.
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Affiliation(s)
- Lesen Gao
- State Key Laboratory of Organic-Inorganic Composites, College of Chemical Engineering, Beijing University of Chemical Technology, Beijing, 100029, P. R. China
| | - Xia Gao
- State Key Laboratory of Organic-Inorganic Composites, College of Chemical Engineering, Beijing University of Chemical Technology, Beijing, 100029, P. R. China
| | - Peng Jiang
- State Key Laboratory of Organic-Inorganic Composites, College of Chemical Engineering, Beijing University of Chemical Technology, Beijing, 100029, P. R. China
| | - Cunyin Zhang
- State Key Laboratory of Organic-Inorganic Composites, College of Chemical Engineering, Beijing University of Chemical Technology, Beijing, 100029, P. R. China
| | - Hui Guo
- State Key Laboratory of Organic-Inorganic Composites, College of Chemical Engineering, Beijing University of Chemical Technology, Beijing, 100029, P. R. China
| | - Yuanhui Cheng
- State Key Laboratory of Organic-Inorganic Composites, College of Chemical Engineering, Beijing University of Chemical Technology, Beijing, 100029, P. R. China
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230
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Huang H, Yu D, Hu F, Huang S, Song J, Chen H, Li LL, Peng S. Clusters Induced Electron Redistribution to Tune Oxygen Reduction Activity of Transition Metal Single‐Atom for Metal–Air Batteries. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202116068] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Hongjiao Huang
- College of Materials Science and Technology Nanjing University of Aeronautics and Astronautics Nanjing 210016 China
| | - Deshuang Yu
- College of Materials Science and Technology Nanjing University of Aeronautics and Astronautics Nanjing 210016 China
| | - Feng Hu
- College of Materials Science and Technology Nanjing University of Aeronautics and Astronautics Nanjing 210016 China
| | - Shao‐Chu Huang
- Department of Materials Science and Engineering National Tsing Hua University 101, Sec. 2, Kuang-Fu Road Hsinchu 30013 Taiwan
| | - Junnan Song
- College of Materials Science and Technology Nanjing University of Aeronautics and Astronautics Nanjing 210016 China
| | - Han‐Yi Chen
- Department of Materials Science and Engineering National Tsing Hua University 101, Sec. 2, Kuang-Fu Road Hsinchu 30013 Taiwan
| | - Lin Lin Li
- College of Materials Science and Technology Nanjing University of Aeronautics and Astronautics Nanjing 210016 China
| | - Shengjie Peng
- College of Materials Science and Technology Nanjing University of Aeronautics and Astronautics Nanjing 210016 China
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231
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Cao F, Sang Y, Liu C, Bai F, Zheng L, Ren J, Qu X. Self-Adaptive Single-Atom Catalyst Boosting Selective Ferroptosis in Tumor Cells. ACS NANO 2022; 16:855-868. [PMID: 35025200 DOI: 10.1021/acsnano.1c08464] [Citation(s) in RCA: 65] [Impact Index Per Article: 32.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
Abstract
Ferroptosis, resulting from the catastrophic accumulation of lipid reactive oxygen species (ROS) and the inactivation of glutathione (GSH)-dependent peroxidase 4 (GPX4), has emerged as a form of regulated cell death for cancer therapy. Despite progress made with current ferroptosis inducers, efficient systems to trigger ferroptosis remain challenging, owing largely to their low activity, uncontrollable behavior, and even nonselective interactions. Here, we report a self-adaptive ferroptosis platform by engineering a DNA modulator onto the surface of single-atom nanozymes (SAzymes). The modulator could not only specifically intensify the ROS-generating activity but also endow the SAzymes with on-demand GSH-consuming ability in tumor cells, accelerating selective and safe ferroptosis. The self-adaptive antitumor response has been demonstrated in colon cancer and breast cancer, promoting the development of selective cancer therapy.
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Affiliation(s)
- Fangfang Cao
- State Key Laboratory of Rare Earth Resources Utilization and Laboratory of Chemical Biology, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Jilin, Changchun 130022, P. R. China
- University of Science and Technology of China, Hefei, Anhui 230029, P. R. China
| | - Yanjuan Sang
- State Key Laboratory of Rare Earth Resources Utilization and Laboratory of Chemical Biology, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Jilin, Changchun 130022, P. R. China
- University of Science and Technology of China, Hefei, Anhui 230029, P. R. China
| | - Chaoying Liu
- Department of Respiratory Medicine, First Affiliated Hospital, Jilin University, Jilin 130021, P. R. China
| | - Fuquan Bai
- International Joint Research Laboratory of Nano-Micro Architecture Chemistry, Institute of Theoretical Chemistry, Jilin University, Jilin, Changchun 130021, P. R. China
| | - Lirong Zheng
- Beijing Synchrotron Radiation Facility, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, China
| | - Jinsong Ren
- State Key Laboratory of Rare Earth Resources Utilization and Laboratory of Chemical Biology, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Jilin, Changchun 130022, P. R. China
- University of Science and Technology of China, Hefei, Anhui 230029, P. R. China
| | - Xiaogang Qu
- State Key Laboratory of Rare Earth Resources Utilization and Laboratory of Chemical Biology, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Jilin, Changchun 130022, P. R. China
- University of Science and Technology of China, Hefei, Anhui 230029, P. R. China
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232
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Interfacial-confined coordination to single-atom nanotherapeutics. Nat Commun 2022; 13:91. [PMID: 35013181 PMCID: PMC8748799 DOI: 10.1038/s41467-021-27640-7] [Citation(s) in RCA: 36] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2020] [Accepted: 11/30/2021] [Indexed: 01/25/2023] Open
Abstract
Pursuing and developing effective methodologies to construct highly active catalytic sites to maximize the atomic and energy efficiency by material engineering are attractive. Relative to the tremendous researches of carbon-based single atom systems, the construction of bio-applicable single atom materials is still in its infancy. Herein, we propose a facile and general interfacial-confined coordination strategy to construct high-quality single-atom nanotherapeutic agent with Fe single atoms being anchored on defective carbon dots confined in a biocompatible mesoporous silica nanoreactor. Furthermore, the efficient energy conversion capability of silica-based Fe single atoms system has been demonstrated on the basis of the exogenous physical photo irradiation and endogenous biochemical reactive oxygen species stimulus in the confined mesoporous network. More importantly, the highest photothermal conversion efficiency with the mechanism of increased electron density and narrow bandgap of this single atom structure in defective carbon was proposed by the theoretical DFT calculations. The present methodology provides a scientific paradigm to design and develop versatile single atom nanotherapeutics with adjustable metal components and tune the corresponding reactions for safe and efficient tumor therapeutic strategy. Developing single atom systems with improved catalytic potential for bio-application has major therapeutic potential. Here, the authors report on the development of a metal single-atom on a carbon dot support confined within mesoporous silica for the development of therapeutic agents.
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233
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Li X, Xiang Z. Identifying the impact of the covalent-bonded carbon matrix to FeN 4 sites for acidic oxygen reduction. Nat Commun 2022; 13:57. [PMID: 35013260 PMCID: PMC8748808 DOI: 10.1038/s41467-021-27735-1] [Citation(s) in RCA: 24] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2021] [Accepted: 12/09/2021] [Indexed: 11/23/2022] Open
Abstract
The atomic configurations of FeNx moieties are the key to affect the activity of oxygen rection reaction (ORR). However, the traditional synthesis relying on high-temperature pyrolysis towards combining sources of Fe, N, and C often results in the plurality of local environments for the FeNx sites. Unveiling the effect of carbon matrix adjacent to FeNx sites towards ORR activity is important but still is a great challenge due to inevitable connection of diverse N as well as random defects. Here, we report a proof-of-concept study on the evaluation of covalent-bonded carbon environment connected to FeN4 sites on their catalytic activity via pyrolysis-free approach. Basing on the closed π conjugated phthalocyanine-based intrinsic covalent organic polymers (COPs) with well-designed structures, we directly synthesized a series of atomically dispersed Fe-N-C catalysts with various pure carbon environments connected to the same FeN4 sites. Experiments combined with density functional theory demonstrates that the catalytic activities of these COPs materials appear a volcano plot with the increasement of delocalized π electrons in their carbon matrix. The delocalized π electrons changed anti-bonding d-state energy level of the single FeN4 moieties, hence tailored the adsorption between active centers and oxygen intermediates and altered the rate-determining step. Unveiling the effect of carbon matrix adjacent to Fe-N towards oxygen reduction reaction is important yet challenging. Here the authors investigate the carbon environment covalent-connected to FeN4 sites on their catalytic activity using models prepared by pyrolysis-free approach.
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Affiliation(s)
- Xueli Li
- State Key Laboratory of Organic-Inorganic Composites, Beijing University of Chemical Technology, Beijing, 100029, PR China
| | - Zhonghua Xiang
- State Key Laboratory of Organic-Inorganic Composites, Beijing University of Chemical Technology, Beijing, 100029, PR China.
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234
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Cui T, Wang YP, Ye T, Wu J, Chen Z, Li J, Lei Y, Wang D, Li Y. Engineering Dual Single‐Atom Sites on 2D Ultrathin N‐doped Carbon Nanosheets Attaining Ultra‐Low Temperature Zn‐Air Battery. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202115219] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Tingting Cui
- Tsinghua University Department of Chemistry CHINA
| | - Yun-Peng Wang
- CSU: Central South University College of Chemistry and Chemical Engineering CHINA
| | - Tong Ye
- CSU: Central South University College of Chemistry and Chemical Engineering CHINA
| | - Jiao Wu
- CSU: Central South University College of Chemistry and Chemical Engineering CHINA
| | | | - Jiong Li
- SINAP: Shanghai Institute of Applied Physics Chinese Academy of Sciences Physics CHINA
| | - Yongpeng Lei
- CSU: Central South University College of Chemistry and Chemical Engineering CHINA
| | - Dingsheng Wang
- Tsinghua University Department of Chemistry Haidian 100084 Beijing CHINA
| | - Yadong Li
- Tsinghua University Department of Chemistry CHINA
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235
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He Y, Yang X, Li Y, Liu L, Guo S, Shu C, Liu F, Liu Y, Tan Q, Wu G. Atomically Dispersed Fe–Co Dual Metal Sites as Bifunctional Oxygen Electrocatalysts for Rechargeable and Flexible Zn–Air Batteries. ACS Catal 2022. [DOI: 10.1021/acscatal.1c04550] [Citation(s) in RCA: 49] [Impact Index Per Article: 24.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
- Yuting He
- State Key Laboratory for Mechanical Behaviour of Materials, School of Materials Science & Engineering, Xi’an Jiaotong University, Xi’an, Shaanxi 710049, China
| | - Xiaoxuan Yang
- Department of Chemical and Biological Engineering, University at Buffalo, The State University of New York, Buffalo, New York 14260, United States
| | - Yunsong Li
- State Key Laboratory of Solidification Processing, Northwestern Polytechnical University, Xi’an, Shaanxi 710072, China
- Yangtze River Delta Research Institute of NPU, Taicang, Jiangsu 215400, China
| | - Liting Liu
- Analytical and Testing Center, Northwestern Polytechnical University, Xi’an, Shaanxi 710072, China
| | - Shengwu Guo
- State Key Laboratory for Mechanical Behaviour of Materials, School of Materials Science & Engineering, Xi’an Jiaotong University, Xi’an, Shaanxi 710049, China
| | - Chengyong Shu
- Department of Chemical Engineering, Xi’an Jiaotong University, Xi’an, Shaanxi 710049, China
| | - Feng Liu
- Analytical and Testing Center, Northwestern Polytechnical University, Xi’an, Shaanxi 710072, China
| | - Yongning Liu
- State Key Laboratory for Mechanical Behaviour of Materials, School of Materials Science & Engineering, Xi’an Jiaotong University, Xi’an, Shaanxi 710049, China
| | - Qiang Tan
- State Key Laboratory for Mechanical Behaviour of Materials, School of Materials Science & Engineering, Xi’an Jiaotong University, Xi’an, Shaanxi 710049, China
| | - Gang Wu
- Department of Chemical and Biological Engineering, University at Buffalo, The State University of New York, Buffalo, New York 14260, United States
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236
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Shen R, Hao L, Ng YH, Zhang P, Arramel A, Li Y, Li X. Heterogeneous N-coordinated single-atom photocatalysts and electrocatalysts. CHINESE JOURNAL OF CATALYSIS 2022. [DOI: 10.1016/s1872-2067(22)64104-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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237
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Jiang W, Cao JP, Xie JX, Zhao L, Zhang C, Zhu C, Zhao XY, Zhao YP, Zhang JL. MOF-derived Ru@ZIF-8 catalyst with the extremely low metal Ru loading for selective hydrogenolysis of C–O bonds in lignin model compounds under mild conditions. Catal Sci Technol 2022. [DOI: 10.1039/d1cy01787j] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A MOF-derived Ru@ZIF-8 catalyst with extremely low Ru loading effectively cleaved the C–O bonds of lignin model compounds under mild conditions.
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Affiliation(s)
- Wei Jiang
- Jiangsu Province Engineering Research Center of Fine Utilization of Carbon Resources, China University of Mining & Technology, Xuzhou 221116, Jiangsu, China
| | - Jing-Pei Cao
- Jiangsu Province Engineering Research Center of Fine Utilization of Carbon Resources, China University of Mining & Technology, Xuzhou 221116, Jiangsu, China
- State Key Laboratory of High-Efficiency Utilization of Coal and Green Chemical Engineering, Ningxia University, Yinchuan 750021, Ningxia, China
| | - Jin-Xuan Xie
- Jiangsu Province Engineering Research Center of Fine Utilization of Carbon Resources, China University of Mining & Technology, Xuzhou 221116, Jiangsu, China
| | - Liang Zhao
- Jiangsu Province Engineering Research Center of Fine Utilization of Carbon Resources, China University of Mining & Technology, Xuzhou 221116, Jiangsu, China
| | - Chuang Zhang
- Jiangsu Province Engineering Research Center of Fine Utilization of Carbon Resources, China University of Mining & Technology, Xuzhou 221116, Jiangsu, China
| | - Chen Zhu
- Jiangsu Province Engineering Research Center of Fine Utilization of Carbon Resources, China University of Mining & Technology, Xuzhou 221116, Jiangsu, China
| | - Xiao-Yan Zhao
- Jiangsu Province Engineering Research Center of Fine Utilization of Carbon Resources, China University of Mining & Technology, Xuzhou 221116, Jiangsu, China
| | - Yun-Peng Zhao
- Jiangsu Province Engineering Research Center of Fine Utilization of Carbon Resources, China University of Mining & Technology, Xuzhou 221116, Jiangsu, China
| | - Jian-Li Zhang
- State Key Laboratory of High-Efficiency Utilization of Coal and Green Chemical Engineering, Ningxia University, Yinchuan 750021, Ningxia, China
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238
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Xu H, Zhao Y, Wang Q, He G, Chen H. Supports promote single-atom catalysts toward advanced electrocatalysis. Coord Chem Rev 2022. [DOI: 10.1016/j.ccr.2021.214261] [Citation(s) in RCA: 64] [Impact Index Per Article: 32.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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239
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Castelo-Quibén J, Bailón-García E, Moral-Rodríguez AI, Carrasco-Marín F, Pérez-Cadenas AF. Recycling and valorization of LDPE: direct transformation into highly ordered doped-carbon materials and their application as electro-catalysts for the oxygen reduction reaction. Catal Sci Technol 2022. [DOI: 10.1039/d1cy02082j] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A transformation of LDPE in highly ordered doped-carbon materials by a simple one-step pyrolysis in presence of transition metal precursors is proposed. The graphitization, metal dispersion and CNFs presence are key factors for the high ORR performance.
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Affiliation(s)
- J. Castelo-Quibén
- Carbon Materials Research Group, Department of Inorganic Chemistry, Faculty of Sciences, University of Granada, Campus Fuentenueva s/n, 18071, Granada, Spain
| | - E. Bailón-García
- Carbon Materials Research Group, Department of Inorganic Chemistry, Faculty of Sciences, University of Granada, Campus Fuentenueva s/n, 18071, Granada, Spain
| | - A. I. Moral-Rodríguez
- Carbon Materials Research Group, Department of Inorganic Chemistry, Faculty of Sciences, University of Granada, Campus Fuentenueva s/n, 18071, Granada, Spain
| | - F. Carrasco-Marín
- Carbon Materials Research Group, Department of Inorganic Chemistry, Faculty of Sciences, University of Granada, Campus Fuentenueva s/n, 18071, Granada, Spain
| | - A. F. Pérez-Cadenas
- Carbon Materials Research Group, Department of Inorganic Chemistry, Faculty of Sciences, University of Granada, Campus Fuentenueva s/n, 18071, Granada, Spain
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240
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Fu N, Liang X, Li Z, Li Y. Single Atom Sites Catalysts based on High Specific Surface Area Supports. Phys Chem Chem Phys 2022; 24:17417-17438. [DOI: 10.1039/d2cp00736c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Catalysis is the heart of modern chemical industry. Supports with high specific surface area are crucial for the fabrication of efficient catalysts with elevated metal dispersion. Single atom sites catalysts...
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241
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Chen Y, Sun F, Tang Q. The active structure of p-block SnNC single-atom electrocatalysts for the oxygen reduction reaction. Phys Chem Chem Phys 2022; 24:27302-27311. [DOI: 10.1039/d2cp03362c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
The active structure and activity origin of intriguing SnNC single-atom catalysts in the oxygen reduction reaction are rationalized by theoretical simulations.
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Affiliation(s)
- Yuping Chen
- School of Chemistry and Chemical Engineering, Chongqing Key Laboratory of Theoretical and Computational Chemistry, Chongqing University, Chongqing 401331, China
| | - Fang Sun
- School of Chemistry and Chemical Engineering, Chongqing Key Laboratory of Theoretical and Computational Chemistry, Chongqing University, Chongqing 401331, China
| | - Qing Tang
- School of Chemistry and Chemical Engineering, Chongqing Key Laboratory of Theoretical and Computational Chemistry, Chongqing University, Chongqing 401331, China
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242
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Liu H, Xie W, Huang Z, Yao C, Han Y, Huang W. Recent Advances in Flexible Zn-Air Batteries: Materials for Electrodes and Electrolytes. SMALL METHODS 2022; 6:e2101116. [PMID: 35041275 DOI: 10.1002/smtd.202101116] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/11/2021] [Revised: 10/16/2021] [Indexed: 06/14/2023]
Abstract
Flexible Zn-air batteries (ZABs) draw much attention due to the merits of high energy density, stability, and safety, and show potential applications for wearable devices. However, the development of flexible ZABs with great energy density, high round-trip efficiency, and long cycle life for practical applications is highly restricted by the lack of highly active oxygen catalysts, high ion-conducting solid-state electrolytes, appropriate Zn anodes, and advanced battery configuration. Promising oxygen catalysts should possess both, superior oxygen reduction reaction and oxygen evolution reaction performance and can be directly used as self-supporting cathodes without loading catalysts on support materials such as carbon cloth. In addition, electrolytes play an important role in ZABs; a good electrolyte should be in all-solid state with high ion conductivity. Moreover, for an excellent Zn anode, it is required to stably contact the electrolyte interface during the bending process. Therefore, in this review, recent advances in ZABs are summarized, including: i) the powder and 3D self-supporting oxygen catalysts, ii) the species of solid-state electrolytes, and iii) the rational design of Zn anodes. Finally, the challenges and opportunities of this promising field are presented.
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Affiliation(s)
- Haoran Liu
- Frontiers Science Center for Flexible Electronics, Institute of Flexible Electronics (IFE), and Ningbo Institute of NPU, Northwestern Polytechnical University, Xi'an, 710072, China
| | - Wen Xie
- Frontiers Science Center for Flexible Electronics, Institute of Flexible Electronics (IFE), and Ningbo Institute of NPU, Northwestern Polytechnical University, Xi'an, 710072, China
| | - Zeyi Huang
- Frontiers Science Center for Flexible Electronics, Institute of Flexible Electronics (IFE), and Ningbo Institute of NPU, Northwestern Polytechnical University, Xi'an, 710072, China
| | - Chuanhao Yao
- Frontiers Science Center for Flexible Electronics, Institute of Flexible Electronics (IFE), and Ningbo Institute of NPU, Northwestern Polytechnical University, Xi'an, 710072, China
| | - Yunhu Han
- Frontiers Science Center for Flexible Electronics, Institute of Flexible Electronics (IFE), and Ningbo Institute of NPU, Northwestern Polytechnical University, Xi'an, 710072, China
| | - Wei Huang
- Frontiers Science Center for Flexible Electronics, Institute of Flexible Electronics (IFE), and Ningbo Institute of NPU, Northwestern Polytechnical University, Xi'an, 710072, China
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243
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Gao F, Liu A, Tan W, Hu B, Gong R, Cheng X, Liu F, Chen G, Dong L. Boosting the catalytic performance of single-atom catalysts by tuning surface lattice expanding confinement. Chem Commun (Camb) 2022; 58:7984-7987. [DOI: 10.1039/d2cc02671f] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
We report that Pt single atoms embedded on a disordered TiO2 surface have a weaker affinity for CO than those supported on a perfect TiO2 surface, thus generating much better CO oxidation activity.
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Affiliation(s)
- Fei Gao
- State Key Laboratory of Pollution Control and Resource Reuse, School of Environment, Jiangsu Key Laboratory of Vehicle Emissions Control, Center of Modern Analysis, Key Laboratory of Mesoscopic Chemistry of MOE, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, China
| | - Annai Liu
- Institute of Engineering Technology, Sinopec Catalyst Co. Ltd., Sinopec Group, 13 Xingguang 5th Avenue, Beijing 101111, P. R. China
| | - Wei Tan
- State Key Laboratory of Pollution Control and Resource Reuse, School of Environment, Jiangsu Key Laboratory of Vehicle Emissions Control, Center of Modern Analysis, Key Laboratory of Mesoscopic Chemistry of MOE, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, China
| | - Bing Hu
- Institute for Catalysis, Hokkaido University, Kita 21 Nishi 10, Kita-ku, Sapporo, Hokkaido 001-0021, Japan
| | - Ruihan Gong
- State Key Laboratory of Pollution Control and Resource Reuse, School of Environment, Jiangsu Key Laboratory of Vehicle Emissions Control, Center of Modern Analysis, Key Laboratory of Mesoscopic Chemistry of MOE, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, China
| | - Xing Cheng
- College of Environmental and Energy Engineering, Beijing University of Technology, Pingle yuan 100, Beijing 100124, P. R. China
| | - Fudong Liu
- Department of Civil, Environmental, and Construction Engineering, Catalysis Cluster for Renewable Energy and Chemical Transformations (REACT), NanoScience Technology Center (NSTC), University of Central Florida, Orlando, FL 32816, USA
| | - Ge Chen
- College of Environmental and Energy Engineering, Beijing University of Technology, Pingle yuan 100, Beijing 100124, P. R. China
| | - Lin Dong
- State Key Laboratory of Pollution Control and Resource Reuse, School of Environment, Jiangsu Key Laboratory of Vehicle Emissions Control, Center of Modern Analysis, Key Laboratory of Mesoscopic Chemistry of MOE, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, China
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244
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Wan J, Zheng J, Zhang H, Wu A, Li X. Single atom catalysis for electrocatalytic ammonia synthesis. Catal Sci Technol 2022. [DOI: 10.1039/d1cy01442k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
This review points out major challenges and outlook of NH3 synthesis via SACs. Summarizing the deficiencies of existing research can help researchers to continuously innovate and improve, and explore new research approaches.
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Affiliation(s)
- Jieying Wan
- State Key Laboratory of Clean Energy Utilization, Zhejiang University, Hangzhou 310027, P. R. China
| | - Jiageng Zheng
- State Key Laboratory of Clean Energy Utilization, Zhejiang University, Hangzhou 310027, P. R. China
| | - Hao Zhang
- State Key Laboratory of Clean Energy Utilization, Zhejiang University, Hangzhou 310027, P. R. China
| | - Angjian Wu
- State Key Laboratory of Clean Energy Utilization, Zhejiang University, Hangzhou 310027, P. R. China
| | - Xiaodong Li
- State Key Laboratory of Clean Energy Utilization, Zhejiang University, Hangzhou 310027, P. R. China
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245
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Enzyme-like Fe-N5 single atom catalyst for simultaneous electrochemical detection of dopamine and uric acid. J Electroanal Chem (Lausanne) 2022. [DOI: 10.1016/j.jelechem.2021.115956] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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246
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Peng S, Huang H, Yu D, Hu F, Huang SC, Song J, Chen HY, Li L. Clusters Induced Electron Redistribution to Tune Oxygen Reduction Activity of Transition Metal Single-Atom for Metal-Air Batteries. Angew Chem Int Ed Engl 2021; 61:e202116068. [PMID: 34957659 DOI: 10.1002/anie.202116068] [Citation(s) in RCA: 61] [Impact Index Per Article: 20.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2021] [Indexed: 11/11/2022]
Abstract
Oxygen reduction reaction (ORR) activity can be effectively tuned by modulating the electron configuration and optimizing the chemical bonds. Herein, a general strategy to optimize the activity of metal single-atom is achieved by the decoration of metal clusters via a coating-pyrolysis-etching route. In this unique structure, the metal clusters are able to induce electron redistribution and modulate M-N species bond lengths. As a result, the M-ACSA@NC exhibits superior ORR activity compared with the nanoparticles-decorated counterparts. The performance enhancement is attributed to the optimized intermediates desorption benefiting from the unique electronic configuration. Theoretical analysis reinforces the significant roles of metal clusters by correlating the ORR activity with clusters induced charge transfer. As a proof-of-concept, various metal-air batteries assembled with the Fe-ACSA@NC deliver remarkable power densities and capacities. This strategy is an effective and universal technique for electron modulation of M-N-C, which shows great potential in application of energy storage devices.
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Affiliation(s)
- Shengjie Peng
- Nanjing University of Aeronautics and Astronautics College of Material Science & Technology, College of Materials Science and Technology, No. 169 Sheng Tai West Road, Jiangning District, Nanjing, Jiangsu, China, 211106, Nanjing, CHINA
| | - Hongjiao Huang
- Nanjing University of Aeronautics and Astronautics, College of Material Science and Technology, CHINA
| | - Deshuang Yu
- Nanjing University of Aeronautics and Astronautics, College of Material Science and Technology, CHINA
| | - Feng Hu
- Nanjing University of Aeronautics and Astronautics, College of Material Science and Technology, CHINA
| | - Shao-Chu Huang
- National Tsing Hua University, Department of Materials Science and Engineering, TAIWAN
| | - Junnan Song
- Nanjing University of Aeronautics and Astronautics, College of Material Science and Technology, CHINA
| | - Han-Yi Chen
- National Tsing Hua University, Department of Materials Science and Engineering, CHINA
| | - Linlin Li
- Nanjing University of Aeronautics and Astronautics, Department of Materials Science and Engineering, CHINA
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247
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Chang M, Hou Z, Wang M, Li C, A Al Kheraif A, Lin J. Tumor Microenvironment Responsive Single-Atom Nanozymes for Enhanced Antitumor Therapy. Chemistry 2021; 28:e202104081. [PMID: 34931345 DOI: 10.1002/chem.202104081] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2021] [Indexed: 11/11/2022]
Abstract
Single-atom nanozymes (SAzymes) with specific response to the unique tumor microenvironment (TME) feature providing 100% metal atoms utilization for high-efficient enzyme-catalyzed therapy and accurate template for the study of therapeutic mechanisms. In this review, we first introduce the various synthetic strategies of SAzymes, and the TME-responsive SAzymes activities. Next, the TME-responsive enhanced antitumor therapeutic approaches based on the enzymatic activities of SAzymes are summarized, and the corresponding therapy mechanisms are elaborated. Subsequently, a concise but concentrated summary, and the challenges and opportunities for the future design and engineering of SAzyme are outlined. As a newly-built discipline, SAzymes have vast space for development in enhanced antitumor therapy. This timely review provides guidance and constructive suggestions for the future of SAzymes.
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Affiliation(s)
- Mengyu Chang
- Changchun Institute of Applied Chemistry Chinese Academy of Sciences: Chang Chun Institute of Applied Chemistry Chinese Academy of Sciences, State Key Laboratory of Rare Earth Resource Utilization, CHINA
| | - Zhiyao Hou
- Guangzhou Medical University, Department of Biological Sciences, CHINA
| | - Man Wang
- Shandong University, School of Chemistry and Chemical Engineering, CHINA
| | - Chunxia Li
- Shandong University, School of Chemistry and Chemical Engineering, CHINA
| | | | - Jun Lin
- Changchun Institute of Applied Chemistry Chinese Academy of Sciences: Chang Chun Institute of Applied Chemistry Chinese Academy of Sciences, Lab Rare Earth Chem Phys, 5625 Remin Street, 130022, Changchun, CHINA
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248
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Su Y, Wu F, Song Q, Wu M, Mohammadniaei M, Zhang T, Liu B, Wu S, Zhang M, Li A, Shen J. Dual enzyme-mimic nanozyme based on single-atom construction strategy for photothermal-augmented nanocatalytic therapy in the second near-infrared biowindow. Biomaterials 2021; 281:121325. [PMID: 34953332 DOI: 10.1016/j.biomaterials.2021.121325] [Citation(s) in RCA: 42] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2021] [Revised: 12/02/2021] [Accepted: 12/15/2021] [Indexed: 02/07/2023]
Abstract
Nanozyme-based catalytic therapy, an emerging therapeutic pattern, has significantly incorporated in the advancement of tumor therapy by generating lethal reactive oxygen species. Nevertheless, most of the nanozymes have mono catalytic performances with H2O2 in the tumor microenvironment (TME), which lowers their therapeutic efficiency. Herein, we design a newly-developed single-atom Fe dispersed N-doped mesoporous carbon nanospheres (SAFe-NMCNs) nanozyme with high H2O2 affinity for photothermal-augmented nanocatalytic therapy. The SAFe-NMCNs nanozyme possesses dual enzyme-mimic catalytic activity which not only acts as a catalase-mimic role to achieve ultrasonic imaging in tumor site by O2 generation, but also exhibits the superior peroxidase-mimic catalytic performance to generate •OH for nanocatalytic therapy. Besides, the SAFe-NMCNs nanozyme with strong optical absorption in the second near-infrared (NIR-II) region shows excellent photothermal conversion performance. The peroxidase-mimic catalytic process of SAFe-NMCNs nanozyme is realized using density functional theory (DFT). Both in vitro and in vivo results indicate that the SAFe-NMCNs nanozyme can efficiently suppress tumor cells growth by a synergistic therapy effect with photothermal-augmented nanocatalytic therapy. The work developed a single-atom-coordinated nanozyme with dual-enzyme catalytic performance and achieve hyperthermia-augmented nanocatalytic therapy effect, can open a window for potential biological applications.
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Affiliation(s)
- Yutian Su
- School of Chemistry and Chemical Engineering, Nanjing University, 163 Xianlin Avenue, Qixia District, Nanjing, 210023, China
| | - Fan Wu
- School of Pharmacy, Nanjing Medical University, 101 Longmian Avenue, Jiangning District, Nanjing, 211166, China
| | - Qiuxian Song
- National and Local Joint Engineering Research Center of Biomedical Functional Materials, Nanjing Normal University, Nanjing, 210046, China
| | - Mengjie Wu
- Department of Ultrasound, Jiangsu Province People's Hospital and Nanjing Medical University First Affiliated Hospital, Nanjing, 210029, China
| | - Mohsen Mohammadniaei
- Department of Health Technology, Technical University of Denmark, Lyngby, Denmark
| | - Taiwei Zhang
- School of Chemistry and Chemical Engineering, Nanjing University, 163 Xianlin Avenue, Qixia District, Nanjing, 210023, China
| | - Baolei Liu
- School of Chemistry and Chemical Engineering, Nanjing University, 163 Xianlin Avenue, Qixia District, Nanjing, 210023, China
| | - Shishan Wu
- School of Chemistry and Chemical Engineering, Nanjing University, 163 Xianlin Avenue, Qixia District, Nanjing, 210023, China.
| | - Ming Zhang
- National and Local Joint Engineering Research Center of Biomedical Functional Materials, Nanjing Normal University, Nanjing, 210046, China; Department of Health Technology, Technical University of Denmark, Lyngby, Denmark.
| | - Ao Li
- Department of Ultrasound, Jiangsu Province People's Hospital and Nanjing Medical University First Affiliated Hospital, Nanjing, 210029, China.
| | - Jian Shen
- School of Chemistry and Chemical Engineering, Nanjing University, 163 Xianlin Avenue, Qixia District, Nanjing, 210023, China; National and Local Joint Engineering Research Center of Biomedical Functional Materials, Nanjing Normal University, Nanjing, 210046, China.
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249
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Chen G, Zhong H, Feng X. Active site engineering of single-atom carbonaceous electrocatalysts for the oxygen reduction reaction. Chem Sci 2021; 12:15802-15820. [PMID: 35024105 PMCID: PMC8672718 DOI: 10.1039/d1sc05867c] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2021] [Accepted: 11/10/2021] [Indexed: 12/03/2022] Open
Abstract
The electrocatalytic oxygen reduction reaction (ORR) is the vital process at the cathode of next-generation electrochemical storage and conversion technologies, such as metal-air batteries and fuel cells. Single-metal-atom and nitrogen co-doped carbonaceous electrocatalysts (M-N-C) have emerged as attractive alternatives to noble-metal platinum for catalyzing the kinetically sluggish ORR due to their high electrical conductivity, large surface area, and structural tunability at the atomic level, however, their application is limited by the low intrinsic activity of the metal-nitrogen coordination sites (M-N x ) and inferior site density. In this Perspective, we summarize the recent progress and milestones relating to the active site engineering of single atom carbonous electrocatalysts for enhancing the ORR activity. Particular emphasis is placed on the emerging strategies for regulating the electronic structure of the single metal site and populating the site density. In addition, challenges and perspectives are provided regarding the future development of single atom carbonous electrocatalysts for the ORR and their utilization in practical use.
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Affiliation(s)
- Guangbo Chen
- Center for Advancing Electronics Dresden (cfaed) and Faculty of Chemistry and Food Chemistry, Technische Universität Dresden Mommsenstr. 4 01062 Dresden Germany
| | - Haixia Zhong
- Center for Advancing Electronics Dresden (cfaed) and Faculty of Chemistry and Food Chemistry, Technische Universität Dresden Mommsenstr. 4 01062 Dresden Germany
| | - Xinliang Feng
- Center for Advancing Electronics Dresden (cfaed) and Faculty of Chemistry and Food Chemistry, Technische Universität Dresden Mommsenstr. 4 01062 Dresden Germany
- Department of Synthetic Materials and Functional Devices, Max Planck Institute of Microstructure Physics Weinberg 2 Halle (Saale) D-06120 Germany
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250
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Li JC, Meng Y, Ma R, Hu H, Zhao S, Zhu Y, Hou PX, Liu C. Ionothermal-Transformation Strategy to Synthesize Hierarchically Tubular Porous Single-Iron-Atom Catalysts for High-Performance Zinc-Air Batteries. ACS APPLIED MATERIALS & INTERFACES 2021; 13:58576-58584. [PMID: 34851600 DOI: 10.1021/acsami.1c16915] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Inexpensive carbon-based nitrogen-coordinated iron single-atom catalysts (CN-FeSACs) have been recently demonstrated as the most promising platinum substitutions for boosting the sluggish oxygen electrode performance in fuel cells and metal-air batteries. However, it is still a great challenge to develop economical and effective CN-FeSACs satisfying the needs of high output power. Herein, an ionothermal-transformation strategy is proposed to synthesize hierarchically tubular porous CN-FeSACs with an ultrahigh special surface area of 2500 m2 g-1 to host abundant single-atom iron sites with an attempt to simultaneously boost sluggish oxygen reduction reaction (ORR) kinetics and mass transport. Benefiting from the unique feature, the final obtained material shows an ORR half-wave potential of 0.885 V, higher than that of benchmark Pt/C (0.850 V). When assembled into zinc-air battery, a large peak power density of 208 mW cm-2 is achieved, which is far superior to that of Pt/C (119 mW cm-2). This work provides an economical and feasible strategy to prepare hierarchically porous CN-FeSACs for energy conversion.
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Affiliation(s)
- Jin-Cheng Li
- Faculty of Chemical Engineering, Yunnan Provincial Key Laboratory of Energy Saving in Phosphorus Chemical Engineering and New Phosphorus Materials, Kunming University of Science and Technology, Kunming 650500, China
| | - Yu Meng
- Shenyang National Laboratory for Materials Science, Institute of Metal Research, Chinese Academy of Sciences, Shenyang 110016, China
| | - Ruixue Ma
- Shenyang National Laboratory for Materials Science, Institute of Metal Research, Chinese Academy of Sciences, Shenyang 110016, China
| | - Hao Hu
- Faculty of Chemical Engineering, Yunnan Provincial Key Laboratory of Energy Saving in Phosphorus Chemical Engineering and New Phosphorus Materials, Kunming University of Science and Technology, Kunming 650500, China
| | - Shiyong Zhao
- Fuels and Energy Technology Institute & Western Australia School of Mines: Minerals, Energy and Chemical Engineering, Curtin University, Perth, Western Australia 6102, Australia
| | - Yuanzhi Zhu
- Faculty of Chemical Engineering, Yunnan Provincial Key Laboratory of Energy Saving in Phosphorus Chemical Engineering and New Phosphorus Materials, Kunming University of Science and Technology, Kunming 650500, China
| | - Peng-Xiang Hou
- Shenyang National Laboratory for Materials Science, Institute of Metal Research, Chinese Academy of Sciences, Shenyang 110016, China
| | - Chang Liu
- Shenyang National Laboratory for Materials Science, Institute of Metal Research, Chinese Academy of Sciences, Shenyang 110016, China
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