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Benedet M, Barreca D, Fois E, Seraglia R, Tabacchi G, Roverso M, Pagot G, Invernizzi C, Gasparotto A, Heidecker AA, Pöthig A, Callone E, Dirè S, Bogialli S, Di Noto V, Maccato C. Interplay between coordination sphere engineering and properties of nickel diketonate-diamine complexes as vapor phase precursors for the growth of NiO thin films. Dalton Trans 2023. [PMID: 37337724 DOI: 10.1039/d3dt01282d] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/21/2023]
Abstract
NiO-based films and nanostructured materials have received increasing attention for a variety of technological applications. Among the possible strategies for their fabrication, atomic layer deposition (ALD) and chemical vapor deposition (CVD), featuring manifold advantages of technological interest, represent appealing molecule-to-material routes for which a rational precursor design is a critical step. In this context, the present study is focused on the coordination sphere engineering of three heteroleptic Ni(II) β-diketonate-diamine adducts of general formula [NiL2TMEDA] [L = 1,1,1-trifluoro-2,4-pentanedionate (tfa), 2,2-dimethyl-6,6,7,7,8,8,8-heptafluoro-3,5-octanedionate (fod) or 2,2,6,6-tetramethyl-3,5-heptanedionate (thd), and TMEDA = N,N,N',N'-tetramethylethylenediamine]. Controlled variations in the diketonate structure are pursued to investigate the influence of steric hindrance and fluorination degree on the chemico-physical characteristics of the compounds. A multi-technique investigation supported by density functional calculations highlights that all complexes are air-insensitive and monomeric and that their thermal properties and fragmentation patterns are directly dependent on functional groups in the diketonate ligands. Preliminary thermal CVD experiments demonstrate the precursors' suitability for the obtainment of NiO films endowed with flat and homogeneous surfaces, paving the way to future implementation for CVD end-uses.
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Affiliation(s)
- Mattia Benedet
- Department of Chemical Sciences - Padova University and INSTM, Via Marzolo 1, 35131 Padova, Italy
- CNR-ICMATE and INSTM - Department of Chemical Sciences - Padova University, Via Marzolo 1, and Corso Stati Uniti 4, 35127 Padova, Italy.
| | - Davide Barreca
- CNR-ICMATE and INSTM - Department of Chemical Sciences - Padova University, Via Marzolo 1, and Corso Stati Uniti 4, 35127 Padova, Italy.
| | - Ettore Fois
- Department of Science and High Technology - Insubria University and INSTM, Via Valleggio 11, 22100 Como, Italy.
| | - Roberta Seraglia
- CNR-ICMATE and INSTM - Department of Chemical Sciences - Padova University, Via Marzolo 1, and Corso Stati Uniti 4, 35127 Padova, Italy.
| | - Gloria Tabacchi
- Department of Science and High Technology - Insubria University and INSTM, Via Valleggio 11, 22100 Como, Italy.
| | - Marco Roverso
- Department of Chemical Sciences - Padova University and INSTM, Via Marzolo 1, 35131 Padova, Italy
- CNR-ICMATE and INSTM - Department of Chemical Sciences - Padova University, Via Marzolo 1, and Corso Stati Uniti 4, 35127 Padova, Italy.
| | - Gioele Pagot
- Section of Chemistry for the Technology (ChemTech), Department of Industrial Engineering - Padova University and INSTM, Via Marzolo 9, 35131 Padova, Italy
| | - Cristiano Invernizzi
- Department of Science and High Technology - Insubria University and INSTM, Via Valleggio 11, 22100 Como, Italy.
| | - Alberto Gasparotto
- Department of Chemical Sciences - Padova University and INSTM, Via Marzolo 1, 35131 Padova, Italy
- CNR-ICMATE and INSTM - Department of Chemical Sciences - Padova University, Via Marzolo 1, and Corso Stati Uniti 4, 35127 Padova, Italy.
| | - Alexandra A Heidecker
- Catalysis Research Center & Department of Chemistry - Technische Universität München, Lichtenbergstr. 4, 85747 Garching, Germany
| | - Alexander Pöthig
- Catalysis Research Center & Department of Chemistry - Technische Universität München, Lichtenbergstr. 4, 85747 Garching, Germany
| | - Emanuela Callone
- "Klaus Müller" Magnetic Resonance Laboratory, Department of Industrial Engineering - Trento University, Via Sommarive 9, 38123 Trento, Italy
| | - Sandra Dirè
- "Klaus Müller" Magnetic Resonance Laboratory, Department of Industrial Engineering - Trento University, Via Sommarive 9, 38123 Trento, Italy
| | - Sara Bogialli
- Department of Chemical Sciences - Padova University and INSTM, Via Marzolo 1, 35131 Padova, Italy
- CNR-ICMATE and INSTM - Department of Chemical Sciences - Padova University, Via Marzolo 1, and Corso Stati Uniti 4, 35127 Padova, Italy.
| | - Vito Di Noto
- Section of Chemistry for the Technology (ChemTech), Department of Industrial Engineering - Padova University and INSTM, Via Marzolo 9, 35131 Padova, Italy
| | - Chiara Maccato
- Department of Chemical Sciences - Padova University and INSTM, Via Marzolo 1, 35131 Padova, Italy
- CNR-ICMATE and INSTM - Department of Chemical Sciences - Padova University, Via Marzolo 1, and Corso Stati Uniti 4, 35127 Padova, Italy.
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P-Type Metal Oxide Semiconductor Thin Films: Synthesis and Chemical Sensor Applications. SENSORS 2022; 22:s22041359. [PMID: 35214257 PMCID: PMC8963036 DOI: 10.3390/s22041359] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/23/2021] [Revised: 02/04/2022] [Accepted: 02/06/2022] [Indexed: 01/27/2023]
Abstract
This review focuses on the synthesis of p-type metal-oxide (p-type MOX) semiconductor thin films, such as CuO, NiO, Co3O4, and Cr2O3, used for chemical-sensing applications. P-type MOX thin films exhibit several advantages over n-type MOX, including a higher catalytic effect, low humidity dependence, and improved recovery speed. However, the sensing performance of CuO, NiO, Co3O4, and Cr2O3 thin films is strongly related to the intrinsic physicochemical properties of the material and the thickness of these MOX thin films. The latter is heavily dependent on synthesis techniques. Many techniques used for growing p-MOX thin films are reviewed herein. Physical vapor-deposition techniques (PVD), such as magnetron sputtering, thermal evaporation, thermal oxidation, and molecular-beam epitaxial (MBE) growth were investigated, along with chemical vapor deposition (CVD). Liquid-phase routes, including sol–gel-assisted dip-and-spin coating, spray pyrolysis, and electrodeposition, are also discussed. A review of each technique, as well as factors that affect the physicochemical properties of p-type MOX thin films, such as morphology, crystallinity, defects, and grain size, is presented. The sensing mechanism describing the surface reaction of gases with MOX is also discussed. The sensing characteristics of CuO, NiO, Co3O4, and Cr2O3 thin films, including their response, sensor kinetics, stability, selectivity, and repeatability are reviewed. Different chemical compounds, including reducing gases (such as volatile organic compounds (VOCs), H2, and NH3) and oxidizing gases, such as CO2, NO2, and O3, were analyzed. Bulk doping, surface decoration, and heterostructures are some of the strategies for improving the sensing capabilities of the suggested pristine p-type MOX thin films. Future trends to overcome the challenges of p-type MOX thin-film chemical sensors are also presented.
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Pei S, Yang J, Wang J, Yuan K, Li Z. Ultrasound-assisted synthesis of β-enaminone derivatives via Tin(Ⅳ)-catalyzed addition reaction from β-dicarbonyl compounds with nitriles. LETT ORG CHEM 2021. [DOI: 10.2174/1570178619666211221141854] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Abstract:
An efficient and eco-friendly approach for the synthesis of β-enaminone derivatives is described, which is through the addition of nitriles with β-dicarbonyl compounds under ultrasound irradiation condition at room temperature. The scope and limitation of this strategy are also discussed. A variety of substituted amides can be obtained in moderate to good yields. We hope that this protocol for the efficient synthesis of β-enaminones will offer insights in further investigations.
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Affiliation(s)
- Shuchen Pei
- Key Laboratory of Industrial Fermentation Microorganism, Chongqing University of Science and Technology, Chongqing, China
| | - Jinhua Yang
- Key Laboratory of Industrial Fermentation Microorganism, Chongqing University of Science and Technology, Chongqing, China
| | - Jieyu Wang
- Key Laboratory of Industrial Fermentation Microorganism, Chongqing University of Science and Technology, Chongqing, China
| | - Kangyao Yuan
- Key Laboratory of Industrial Fermentation Microorganism, Chongqing University of Science and Technology, Chongqing, China
| | - Ziqiang Li
- Key Laboratory of Industrial Fermentation Microorganism, Chongqing University of Science and Technology, Chongqing, China
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Zywitzki D, Taffa DH, Lamkowski L, Winter M, Rogalla D, Wark M, Devi A. Tuning Coordination Geometry of Nickel Ketoiminates and Its Influence on Thermal Characteristics for Chemical Vapor Deposition of Nanostructured NiO Electrocatalysts. Inorg Chem 2020; 59:10059-10070. [PMID: 32589409 DOI: 10.1021/acs.inorgchem.0c01204] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Nickel-based nanostructured materials have gained widespread attention, particularly for energy-related applications. Employing chemical vapor deposition (CVD) for NiO necessitates suitable nickel precursors that are volatile and stable. Herein, we report the synthesis and characterization of a series of new nickel β-ketoiminato complexes with different aliphatic and etheric side chain substitutions, namely, bis(4-(isopropylamino)-pent-3-en-2-onato)nickel(II) ([Ni(ipki)2], 1), bis(4-(2-methoxyethylamino)pent-3-en-2-onato)nickel(II) ([Ni(meki)2], 2), bis(4-(2-ethoxyethylamino)pent-3-en-2-onato)nickel(II) ([Ni(eeki)2], 3), bis(4-(3-methoxy-propylamino)-pent-3-en-2-onato)nickel(II) ([Ni(mpki)2], 4), and bis(4-(3-ethoxypropylamino)pent-3-en-2-onato)nickel(II) ([Ni(epki)2], 5). These compounds have been thoroughly characterized with regard to their purity and identity by means of nuclear magnetic resonance spectroscopy (NMR) and electron impact mass spectrometry (EI-MS). Contrary to other transition metal β-ketoiminates, the imino side chain strongly influences the structural geometry of the complexes, which was ascertained via single-crystal X-ray diffraction (XRD). As a result, the magnetic momenta of the molecules also differ significantly as evidenced by the magnetic susceptibility measurements employing Evan's NMR method in solution. Thermal analysis revealed the suitability of these compounds as new class of precursors for CVD of Ni containing materials. As a representative precursor, compound 2 was evaluated for the CVD of NiO thin films on Si(100) and conductive glass substrates. The as-deposited nanostructured layers were stoichiometric and phase pure NiO as confirmed by XRD, Rutherford backscattering spectrometry (RBS), and nuclear reaction analysis (NRA). X-ray photoelectron spectroscopy (XPS) indicated the formation of slightly oxygen-rich surfaces. The assessment of NiO films in electrocatalysis revealed promising activity for the oxygen evolution reactions (OER). The current densities of 10 mA cm-2 achieved at overpotentials ranging between 0.48 and 0.52 V highlight the suitability of the new Ni complexes in CVD processes for the fabrication of thin film electrocatalysts.
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Affiliation(s)
- Dennis Zywitzki
- Inorganic Materials Chemistry, Faculty of Chemistry and Biochemistry, Ruhr University Bochum, 44801 Bochum, Germany
| | - Dereje H Taffa
- Chemical Technology 1, Institute of Chemistry, Carl von Ossietzky University Oldenburg, 26129 Oldenburg, Germany
| | - Laura Lamkowski
- Inorganic Materials Chemistry, Faculty of Chemistry and Biochemistry, Ruhr University Bochum, 44801 Bochum, Germany
| | - Manuela Winter
- Inorganic Materials Chemistry, Faculty of Chemistry and Biochemistry, Ruhr University Bochum, 44801 Bochum, Germany
| | | | - Michael Wark
- Chemical Technology 1, Institute of Chemistry, Carl von Ossietzky University Oldenburg, 26129 Oldenburg, Germany
| | - Anjana Devi
- Inorganic Materials Chemistry, Faculty of Chemistry and Biochemistry, Ruhr University Bochum, 44801 Bochum, Germany
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Xie Z, Deng X, Liu B, Huang S, Ma P, Hou Z, Cheng Z, Lin J, Luan S. Construction of Hierarchical Polymer Brushes on Upconversion Nanoparticles via NIR-Light-Initiated RAFT Polymerization. ACS APPLIED MATERIALS & INTERFACES 2017; 9:30414-30425. [PMID: 28830139 DOI: 10.1021/acsami.7b09124] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/28/2023]
Abstract
Photoinduced reversible addition-fragmentation chain transfer (RAFT) polymerization generally adopts high-energy ultraviolet (UV) or blue light. In combination with photoredox catalyst, the excitation light wavelength was extended to the visible and even near-infrared (NIR) region for photoinduced electron transfer RAFT polymerization. In this report, we introduce for the first time a surface NIR-light-initiated RAFT polymerization on upconversion nanoparticles (UCNPs) without adding any photocatalyst and construct a functional inorganic core/polymer shell nanohybrid for application in cancer theranostics. The multilayer core-shell UCNPs (NaYF4:Yb/Tm@NaYbF4:Gd@NaNdF4:Yb@NaYF4), with surface anchorings of chain transfer agents, can serve as efficient NIR-to-UV light transducers for initiating the RAFT polymerization. A hierarchical double block copolymer brush, consisting of poly(acrylic acid) (PAA) and poly(oligo(ethylene oxide)methacrylate-co-2-(2-methoxy-ethoxy)ethyl methacrylate) (PEG for short), was grafted from the surface in sequence. The targeting arginine-glycine-aspartic (RGD) peptide was modified at the end of the copolymer through the trithiolcarbonate end group. After loading of doxorubicin, the UCNPs@PAA-b-PEG-RGD exhibited an enhanced U87MG cancer cell uptake efficiency and cytotoxicity. Besides, the unique upconversion luminescence of the nanohybrids was used for the autofluoresence-free cell imaging and labeling. Therefore, our strategy verified that UCNPs could efficiently activate RAFT polymerization by NIR photoirradiation and construct the complex nanohybrids, exhibiting prospective biomedical applications due to the low phototoxicity and deep penetration of NIR light.
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Affiliation(s)
- Zhongxi Xie
- University of Science and Technology of China ,No. 96, JinZhai Road, Baohe District, Hefei, Anhui 230026, P. R. China
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Cosham SD, Richards SP, Manning T, Hill MS, Johnson AL, Molloy KC. Precursors for p‐Type Nickel Oxide: Atmospheric‐Pressure Metal–Organic Chemical‐Vapour Deposition (MOCVD) of Nickel Oxide Thin Films with High Work Functions. Eur J Inorg Chem 2017. [DOI: 10.1002/ejic.201601419] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
| | | | - Troy Manning
- Department of Chemistry University of Liverpool L69 7ZF Liverpool UK
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7
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Tran VH, Yatabe T, Matsumoto T, Nakai H, Suzuki K, Enomoto T, Ogo S. An N 2-compatible Ni 0 Metal–Organic Chemical Vapor Deposition (MOCVD) Precursor. CHEM LETT 2015. [DOI: 10.1246/cl.150155] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Viet-Ha Tran
- Center for Small Molecule Energy, Kyushu University
- Department of Chemistry and Biochemistry, Graduate School of Engineering, Kyushu University
| | - Takeshi Yatabe
- Center for Small Molecule Energy, Kyushu University
- Department of Chemistry and Biochemistry, Graduate School of Engineering, Kyushu University
- International Institute for Carbon-Neutral Energy Research (WPI-I2CNER), Kyushu University
| | - Takahiro Matsumoto
- Center for Small Molecule Energy, Kyushu University
- Department of Chemistry and Biochemistry, Graduate School of Engineering, Kyushu University
- International Institute for Carbon-Neutral Energy Research (WPI-I2CNER), Kyushu University
| | - Hidetaka Nakai
- Center for Small Molecule Energy, Kyushu University
- Department of Chemistry and Biochemistry, Graduate School of Engineering, Kyushu University
- International Institute for Carbon-Neutral Energy Research (WPI-I2CNER), Kyushu University
| | - Kazuharu Suzuki
- Specialty Chemicals Section, Technology Development, Technical Division, Tanaka Kikinzoku Kogyo K. K
| | - Takao Enomoto
- Center for Small Molecule Energy, Kyushu University
- Specialty Chemicals Section, Technology Development, Technical Division, Tanaka Kikinzoku Kogyo K. K
| | - Seiji Ogo
- Center for Small Molecule Energy, Kyushu University
- Department of Chemistry and Biochemistry, Graduate School of Engineering, Kyushu University
- International Institute for Carbon-Neutral Energy Research (WPI-I2CNER), Kyushu University
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8
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Pei S, Xue C, Hai L, Wu Y. Synthesis of β-enaminodicarbonyl derivatives in the titanium(iv) chloride-promoted reactions of β-dicarbonyl compounds with nitriles. RSC Adv 2014. [DOI: 10.1039/c4ra05100a] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023] Open
Abstract
TiCl4-promoted reactions of β-dicarbonyl compounds with nitriles.
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Affiliation(s)
- Shuchen Pei
- Key Laboratory of Drug Targeting of Education Ministry
- West China School of Pharmacy
- West China Hospital
- Sichuan University
- Chengdu 610041, P.R. China
| | - Chenchen Xue
- Key Laboratory of Drug Targeting of Education Ministry
- West China School of Pharmacy
- West China Hospital
- Sichuan University
- Chengdu 610041, P.R. China
| | - Li Hai
- Key Laboratory of Drug Targeting of Education Ministry
- West China School of Pharmacy
- West China Hospital
- Sichuan University
- Chengdu 610041, P.R. China
| | - Yong Wu
- Key Laboratory of Drug Targeting of Education Ministry
- West China School of Pharmacy
- West China Hospital
- Sichuan University
- Chengdu 610041, P.R. China
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Three new O,N-coordinated Ni(II) complexes: Syntheses, crystal structures, and MOCVD applications. J Organomet Chem 2013. [DOI: 10.1016/j.jorganchem.2013.05.001] [Citation(s) in RCA: 11] [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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10
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Dorovskikh SI, Piryzev DA, Smolentsev AI, Morozova NB. Crystal structure of nickel(II) bis-(1,1,1,-trifluoro-5,5-dimethyl-2,4-hexanedionate)-1,3-diaminopropane. J STRUCT CHEM+ 2012. [DOI: 10.1134/s0022476612030304] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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11
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Dorovskikh S, Bykova E, Kuratieva N, Zelenina L, Shubin Y, Morozova N, Igumenov I. Synthesis, crystal structures and thermal behavior of Ni(pda)(hfac)2 and Ni(pda)(thd)2 as potential MOCVD precursors (pda-1,3-diaminopropane, hfac-1,1,1,5,5,5-hexafluoro-2,4-pentanedionato(-), thd-2,2,6,6-tetrametyl-3,5-heptanedionato(-)). J Organomet Chem 2012. [DOI: 10.1016/j.jorganchem.2011.10.020] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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