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Budagumpi S, Keri RS, Nagaraju D, Yhobu Z, Monica V, Geetha B, Kadu RD, Neole N. Progress in the catalytic applications of cobalt N–heterocyclic carbene complexes: Emphasis on their synthesis, structure and mechanism. MOLECULAR CATALYSIS 2023. [DOI: 10.1016/j.mcat.2022.112850] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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2
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Fedorenko SV, Stepanov AS, Bochkova OD, Mustafina AR. Main Processes Facilitating the Formation of Composite Silica-Based Nanocolloids Doped with Complexes of d- and f-Metals and Inorganic Nanoparticles. COLLOID JOURNAL 2022. [DOI: 10.1134/s1061933x22700077] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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3
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Penrose C, Steiner P, Gladden LF, Sederman AJ, York APE, Bentley M, Mantle MD. A simple liquid state 1H NMR measurement to directly determine the surface hydroxyl density of porous silica. Chem Commun (Camb) 2021; 57:12804-12807. [PMID: 34783334 DOI: 10.1039/d1cc03959h] [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
Silica is widely used in industrial applications and its performance is partially decided by its surface hydroxyl density αOH. Here we report a quick, simple liquid 1H NMR method to determine αOH using a benchtop 1H NMR spectrometer. The results show excellent agreement with the literature with an αOH range from 4.16 to 6.56 OH per nm2.
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Affiliation(s)
- C Penrose
- Department of Chemical Engineering and Biotechnology, University of Cambridge, Philippa Fawcett Dr, Cambridge CB3 0AS, UK.
| | - P Steiner
- Department of Chemical Engineering and Biotechnology, University of Cambridge, Philippa Fawcett Dr, Cambridge CB3 0AS, UK. .,Gdanska 335/23, Praha 8, 181 00, Czech Republic
| | - L F Gladden
- Department of Chemical Engineering and Biotechnology, University of Cambridge, Philippa Fawcett Dr, Cambridge CB3 0AS, UK.
| | - A J Sederman
- Department of Chemical Engineering and Biotechnology, University of Cambridge, Philippa Fawcett Dr, Cambridge CB3 0AS, UK.
| | - A P E York
- Johnson Matthey Technology Centre, Blounts Court, Sonning Common, Reading, RG4 9NH, UK
| | - M Bentley
- Johnson Matthey Technology Centre, Blounts Court, Sonning Common, Reading, RG4 9NH, UK
| | - M D Mantle
- Department of Chemical Engineering and Biotechnology, University of Cambridge, Philippa Fawcett Dr, Cambridge CB3 0AS, UK.
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Jose J, Puthanveettil Balakrishnan S. Synthesis, structural characterization, electrochemical and photocatalytic properties of vanadium complex anchored on reduced graphene oxide. INORG NANO-MET CHEM 2021. [DOI: 10.1080/24701556.2021.1956955] [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]
Affiliation(s)
- Jemini Jose
- Department of Chemistry, CHRIST (Deemed to be University), Bengaluru, Karnataka, India
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Bochkova O, Khrizanforov M, Gubaidullin A, Gerasimova T, Nizameev I, Kholin K, Laskin A, Budnikova Y, Sinyashin O, Mustafina A. Synthetic Tuning of Co II-Doped Silica Nanoarchitecture Towards Electrochemical Sensing Ability. NANOMATERIALS (BASEL, SWITZERLAND) 2020; 10:E1338. [PMID: 32659957 PMCID: PMC7407651 DOI: 10.3390/nano10071338] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/17/2020] [Revised: 07/02/2020] [Accepted: 07/07/2020] [Indexed: 11/23/2022]
Abstract
The present work introduces both synthesis of silica nanoparticles doped with CoII ions by means of differently modified microemulsion water-in-oil (w/o) and Stöber techniques and characterization of the hybrid nanoparticles (CoII@SiO2) by TEM, DLS, XRD, ICP-EOS, SAXS, UV-Vis, and UV-Vis/DR spectroscopy and electrochemical methods. The results reveal the lack of nanocrystalline dopants inside the hybrid nanoparticles, as well as no ligands, when CoII ions are added to the synthetic mixtures as CoII(bpy)3 complexes, thus pointing to coordination of CoII ions with Si-O- groups as main driving force of the doping. The UV-Vis/DR spectra of CoII@SiO2 in the range of d-d transitions indicate that Stöber synthesis in greater extent than the w/o one stabilizes tetrahedral CoII ions versus the octahedral ions. Both cobalt content and homogeneity of the CoII distribution within CoII@SiO2 are greatly influenced by the synthetic technique. The electrochemical behavior of CoII@SiO2 is manifested by one oxidation and two reduction steps, which provide the basis for electrochemical response on glyphosate and HP(O)(OEt)2 with the LOD = 0.1 μM and the linearity within 0.1-80 μM. The Stöber CoII@SiO2 are able to discriminate glyphosate from HP(O)(OEt)2, while the w/o nanoparticles are more efficient but nonselective sensors on the toxicants.
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Affiliation(s)
- Olga Bochkova
- Arbuzov Institute of Organic and Physical Chemistry, FRC Kazan Scientific Center, Russian Academy of Sciences, Arbuzov str., 8, 420088 Kazan, Russia; (M.K.); (A.G.); (T.G.); (I.N.); (K.K.); (Y.B.); (O.S.); (A.M.)
| | - Mikhail Khrizanforov
- Arbuzov Institute of Organic and Physical Chemistry, FRC Kazan Scientific Center, Russian Academy of Sciences, Arbuzov str., 8, 420088 Kazan, Russia; (M.K.); (A.G.); (T.G.); (I.N.); (K.K.); (Y.B.); (O.S.); (A.M.)
| | - Aidar Gubaidullin
- Arbuzov Institute of Organic and Physical Chemistry, FRC Kazan Scientific Center, Russian Academy of Sciences, Arbuzov str., 8, 420088 Kazan, Russia; (M.K.); (A.G.); (T.G.); (I.N.); (K.K.); (Y.B.); (O.S.); (A.M.)
| | - Tatiana Gerasimova
- Arbuzov Institute of Organic and Physical Chemistry, FRC Kazan Scientific Center, Russian Academy of Sciences, Arbuzov str., 8, 420088 Kazan, Russia; (M.K.); (A.G.); (T.G.); (I.N.); (K.K.); (Y.B.); (O.S.); (A.M.)
| | - Irek Nizameev
- Arbuzov Institute of Organic and Physical Chemistry, FRC Kazan Scientific Center, Russian Academy of Sciences, Arbuzov str., 8, 420088 Kazan, Russia; (M.K.); (A.G.); (T.G.); (I.N.); (K.K.); (Y.B.); (O.S.); (A.M.)
| | - Kirill Kholin
- Arbuzov Institute of Organic and Physical Chemistry, FRC Kazan Scientific Center, Russian Academy of Sciences, Arbuzov str., 8, 420088 Kazan, Russia; (M.K.); (A.G.); (T.G.); (I.N.); (K.K.); (Y.B.); (O.S.); (A.M.)
| | - Artem Laskin
- Kazan Federal University, Kremlevskaya str. 29/1, 420008 Kazan, Russia;
| | - Yulia Budnikova
- Arbuzov Institute of Organic and Physical Chemistry, FRC Kazan Scientific Center, Russian Academy of Sciences, Arbuzov str., 8, 420088 Kazan, Russia; (M.K.); (A.G.); (T.G.); (I.N.); (K.K.); (Y.B.); (O.S.); (A.M.)
| | - Oleg Sinyashin
- Arbuzov Institute of Organic and Physical Chemistry, FRC Kazan Scientific Center, Russian Academy of Sciences, Arbuzov str., 8, 420088 Kazan, Russia; (M.K.); (A.G.); (T.G.); (I.N.); (K.K.); (Y.B.); (O.S.); (A.M.)
| | - Asiya Mustafina
- Arbuzov Institute of Organic and Physical Chemistry, FRC Kazan Scientific Center, Russian Academy of Sciences, Arbuzov str., 8, 420088 Kazan, Russia; (M.K.); (A.G.); (T.G.); (I.N.); (K.K.); (Y.B.); (O.S.); (A.M.)
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Rajendran A, Rajendiran M, Yang ZF, Fan HX, Cui TY, Zhang YG, Li WY. Functionalized Silicas for Metal-Free and Metal-Based Catalytic Applications: A Review in Perspective of Green Chemistry. CHEM REC 2019; 20:513-540. [PMID: 31631504 DOI: 10.1002/tcr.201900056] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2019] [Revised: 09/23/2019] [Indexed: 12/20/2022]
Abstract
Heterogeneous catalysis plays a key role in promoting green chemistry through many routes. The functionalizable reactive silanols highlight silica as a beguiling support for the preparation of heterogeneous catalysts. Metal active sites anchored on functionalized silica (FS) usually demonstrate the better dispersion and stability due to their firm chemical interaction with FSs. Having certain functional groups in structure, FSs can act as the useful catalysts for few organic reactions even without the need of metal active sites which are termed as the covetous reusable organocatalysts. Magnetic FSs have laid the platform where the effortless recovery of catalysts is realized just using an external magnet, resulting in the simplified reaction procedure. Using FSs of multiple functional groups, we can envisage the shortened reaction pathway and, reduced chemical uses and chemical wastes. Unstable bio-molecules like enzymes have been stabilized when they get chemically anchored on FSs. The resultant solid bio-catalysts exhibited very good reusability in many catalytic reactions. Getting provoked from the green chemistry aspects and benefits of FS-based catalysts, we confer the recent literature and progress focusing on the significance of FSs in heterogeneous catalysis. This review covers the preparative methods, types and catalytic applications of FSs. A special emphasis is given to the metal-free FS catalysts, multiple FS-based catalysts and magnetic FSs. Through this review, we presume that the contribution of FSs to green chemistry can be well understood. The future perspective of FSs and the improvements still required for implementing FS-based catalysts in practical applications have been narrated at the end of this review.
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Affiliation(s)
- Antony Rajendran
- Training Base of State Key Laboratory of Coal Science and Technology Jointly Constructed by Shanxi Province and Ministry of Science and Technology, Taiyuan University of Technology, Taiyuan, 030024, P.R. China
| | - Marimuthu Rajendiran
- Department of Chemistry, Indian Institute of Technology Bombay, Mumbai, 400076, Maharashtra, India
| | - Zhi-Fen Yang
- Training Base of State Key Laboratory of Coal Science and Technology Jointly Constructed by Shanxi Province and Ministry of Science and Technology, Taiyuan University of Technology, Taiyuan, 030024, P.R. China
| | - Hong-Xia Fan
- Training Base of State Key Laboratory of Coal Science and Technology Jointly Constructed by Shanxi Province and Ministry of Science and Technology, Taiyuan University of Technology, Taiyuan, 030024, P.R. China
| | - Tian-You Cui
- Training Base of State Key Laboratory of Coal Science and Technology Jointly Constructed by Shanxi Province and Ministry of Science and Technology, Taiyuan University of Technology, Taiyuan, 030024, P.R. China
| | - Ya-Gang Zhang
- Department of Chemistry and Chemical Engineering, Xi'an University of Technology, Xi'an, 710054, PR China
| | - Wen-Ying Li
- Training Base of State Key Laboratory of Coal Science and Technology Jointly Constructed by Shanxi Province and Ministry of Science and Technology, Taiyuan University of Technology, Taiyuan, 030024, P.R. China.,Department of Chemistry and Chemical Engineering, Xi'an University of Technology, Xi'an, 710054, PR China
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Budnikova Y, Bochkova O, Khrizanforov M, Nizameev I, Kholin K, Gryaznova T, Laskin A, Dudkina Y, Strekalova S, Fedorenko S, Kononov A, Mustafina A. Selective C(sp2)‐H Amination Catalyzed by High‐Valent Cobalt(III)/(IV)‐bpy Complex Immobilized on Silica Nanoparticles. ChemCatChem 2019. [DOI: 10.1002/cctc.201901391] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Yulia Budnikova
- Arbuzov Institute of Organic and Physical ChemistryFRC Kazan Scientific Center, Russian Academy of Sciences 420088 Arbuzov str. 8 Kazan Russian Federation
| | - Olga Bochkova
- Arbuzov Institute of Organic and Physical ChemistryFRC Kazan Scientific Center, Russian Academy of Sciences 420088 Arbuzov str. 8 Kazan Russian Federation
| | - Mikhail Khrizanforov
- Arbuzov Institute of Organic and Physical ChemistryFRC Kazan Scientific Center, Russian Academy of Sciences 420088 Arbuzov str. 8 Kazan Russian Federation
| | - Irek Nizameev
- Arbuzov Institute of Organic and Physical ChemistryFRC Kazan Scientific Center, Russian Academy of Sciences 420088 Arbuzov str. 8 Kazan Russian Federation
| | - Kirill Kholin
- Arbuzov Institute of Organic and Physical ChemistryFRC Kazan Scientific Center, Russian Academy of Sciences 420088 Arbuzov str. 8 Kazan Russian Federation
| | - Tatyana Gryaznova
- Arbuzov Institute of Organic and Physical ChemistryFRC Kazan Scientific Center, Russian Academy of Sciences 420088 Arbuzov str. 8 Kazan Russian Federation
| | - Artem Laskin
- Kazan Federal University Kremlevskaya str. 29/1 Kazan 420008 Russian Federation
| | - Yulia Dudkina
- Arbuzov Institute of Organic and Physical ChemistryFRC Kazan Scientific Center, Russian Academy of Sciences 420088 Arbuzov str. 8 Kazan Russian Federation
| | - Sofia Strekalova
- Arbuzov Institute of Organic and Physical ChemistryFRC Kazan Scientific Center, Russian Academy of Sciences 420088 Arbuzov str. 8 Kazan Russian Federation
| | - Svetlana Fedorenko
- Arbuzov Institute of Organic and Physical ChemistryFRC Kazan Scientific Center, Russian Academy of Sciences 420088 Arbuzov str. 8 Kazan Russian Federation
| | - Aleksandr Kononov
- Arbuzov Institute of Organic and Physical ChemistryFRC Kazan Scientific Center, Russian Academy of Sciences 420088 Arbuzov str. 8 Kazan Russian Federation
| | - Asia Mustafina
- Arbuzov Institute of Organic and Physical ChemistryFRC Kazan Scientific Center, Russian Academy of Sciences 420088 Arbuzov str. 8 Kazan Russian Federation
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Adam MSS. Catalytic activity of nickel(II), copper(II) and oxovanadium(II)-dihydroindolone complexes towards homogeneous oxidation reactions. Appl Organomet Chem 2018. [DOI: 10.1002/aoc.4234] [Citation(s) in RCA: 36] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Mohamed Shaker S. Adam
- Department of Chemistry, College of Science; King Faisal University; P.O. Box 380, Al Hufuf 31982, Al Hassa Saudi Arabia
- Department of Chemistry, Faculty of Science; Sohag University; Sohag 82534 Egypt
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Bhattacharjee A, Das T, Uyama H, Roy P, Nandi M. Cu- and Ni-Grafted Functionalized Mesoporous Silica as Active Catalyst for Olefin Oxidation. ChemistrySelect 2017. [DOI: 10.1002/slct.201702183] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
| | - Trisha Das
- Integrated Science Education and Research Centre; Siksha Bhavana; Visva-Bharati University; Santiniketan- 731235 India
| | - Hiroshi Uyama
- Department of Applied Chemistry; Graduate School of Engineering; Osaka University; 2-1 Yamadaoka, Suita Osaka 565-0871 Japan
| | - Partha Roy
- Department of Chemistry; Jadavpur University, Jadavpur; Kolkata- 700 032 India
| | - Mahasweta Nandi
- Integrated Science Education and Research Centre; Siksha Bhavana; Visva-Bharati University; Santiniketan- 731235 India
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