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Stavitskaya AV, Kozlova EA, Kurenkova AY, Glotov AP, Selischev DS, Ivanov EV, Kozlov DV, Vinokurov VA, Fakhrullin RF, Lvov YM. Ru/CdS Quantum Dots Templated on Clay Nanotubes as Visible-Light-Active Photocatalysts: Optimization of S/Cd Ratio and Ru Content. Chemistry 2020; 26:13085-13092. [PMID: 32640117 DOI: 10.1002/chem.202002192] [Citation(s) in RCA: 40] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2020] [Revised: 07/07/2020] [Indexed: 12/22/2022]
Abstract
A nanoarchitectural approach based on in situ formation of quantum dots (QDs) within/outside clay nanotubes was developed. Efficient and stable photocatalysts active under visible light were achieved with ruthenium-doped cadmium sulfide QDs templated on the surface of azine-modified halloysite nanotubes. The catalytic activity was tested in the hydrogen evolution reaction in aqueous electrolyte solutions under visible light. Ru doping enhanced the photocatalytic activity of CdS QDs thanks to better light absorption and electron-hole pair separation due to formation of a metal/semiconductor heterojunction. The S/Cd ratio was the major factor for the formation of stable nanoparticles on the surface of the azine-modified clay. A quantum yield of 9.3 % was reached by using Ru/CdS/halloysite containing 5.2 wt % of Cd doped with 0.1 wt % of Ru and an S/Cd ratio of unity. In vivo and in vitro studies on the CdS/halloysite hybrid demonstrated the absence of toxic effects in eukaryotic cells and nematodes in short-term tests, and thus they are promising photosensitive materials for multiple applications.
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Affiliation(s)
- Anna V Stavitskaya
- Department of Physical and Colloid Chemistry, Gubkin University, Moscow, 119991, Russian Federation
| | - Ekaterina A Kozlova
- Department of Photocatalysis, Boreskov Institute of Catalysis SB RAS, Novosibirsk, 630090, Russian Federation.,Novosibirsk State University, Novosibirsk, 630090, Russian Federation
| | - Anna Yu Kurenkova
- Department of Photocatalysis, Boreskov Institute of Catalysis SB RAS, Novosibirsk, 630090, Russian Federation
| | - Aleksandr P Glotov
- Department of Physical and Colloid Chemistry, Gubkin University, Moscow, 119991, Russian Federation
| | - Dmitry S Selischev
- Department of Photocatalysis, Boreskov Institute of Catalysis SB RAS, Novosibirsk, 630090, Russian Federation
| | - Evgenii V Ivanov
- Department of Physical and Colloid Chemistry, Gubkin University, Moscow, 119991, Russian Federation
| | - Denis V Kozlov
- Department of Photocatalysis, Boreskov Institute of Catalysis SB RAS, Novosibirsk, 630090, Russian Federation
| | - Vladimir A Vinokurov
- Department of Physical and Colloid Chemistry, Gubkin University, Moscow, 119991, Russian Federation
| | - Rawil F Fakhrullin
- Department of Physical and Colloid Chemistry, Gubkin University, Moscow, 119991, Russian Federation.,Institute of Fundamental Medicine and Biology, Kazan Federal University, Kazan, 420000, Republic of Tatarstan, Russian Federation
| | - Yuri M Lvov
- Institute for Micromanufacturing, Louisiana Tech University, Ruston, LA, 71272, USA
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Stavitskaya AV, Novikov AA, Kotelev MS, Kopitsyn DS, Rozhina EV, Ishmukhametov IR, Fakhrullin RF, Ivanov EV, Lvov YM, Vinokurov VA. Fluorescence and Cytotoxicity of Cadmium Sulfide Quantum Dots Stabilized on Clay Nanotubes. Nanomaterials (Basel) 2018; 8:E391. [PMID: 29857546 PMCID: PMC6026934 DOI: 10.3390/nano8060391] [Citation(s) in RCA: 33] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/08/2018] [Revised: 05/26/2018] [Accepted: 05/28/2018] [Indexed: 11/16/2022]
Abstract
Quantum dots (QD) are widely used for cellular labeling due to enhanced brightness, resistance to photobleaching, and multicolor light emissions. CdS and CdxZn₁-xS nanoparticles with sizes of 6⁻8 nm were synthesized via a ligand assisted technique inside and outside of 50 nm diameter halloysite clay nanotubes (QD were immobilized on the tube's surface). The halloysite⁻QD composites were tested by labeling human skin fibroblasts and prostate cancer cells. In human cell cultures, halloysite⁻QD systems were internalized by living cells, and demonstrated intense and stable fluorescence combined with pronounced nanotube light scattering. The best signal stability was observed for QD that were synthesized externally on the amino-grafted halloysite. The best cell viability was observed for CdxZn₁-xS QD immobilized onto the azine-grafted halloysite. The possibility to use QD clay nanotube core-shell nanoarchitectures for the intracellular labeling was demonstrated. A pronounced scattering and fluorescence by halloysite⁻QD systems allows for their promising usage as markers for biomedical applications.
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Affiliation(s)
- Anna V Stavitskaya
- Functional Aluminosilicate Nanomaterials Lab, Gubkin University, Moscow 119991, Russia.
| | - Andrei A Novikov
- Functional Aluminosilicate Nanomaterials Lab, Gubkin University, Moscow 119991, Russia.
| | - Mikhail S Kotelev
- Functional Aluminosilicate Nanomaterials Lab, Gubkin University, Moscow 119991, Russia.
| | - Dmitry S Kopitsyn
- Functional Aluminosilicate Nanomaterials Lab, Gubkin University, Moscow 119991, Russia.
| | - Elvira V Rozhina
- Bionanotechnology Lab, Institute of Fundamental Medicine and Biology, Kazan Federal University, Kazan 420008, Russia.
| | - Ilnur R Ishmukhametov
- Bionanotechnology Lab, Institute of Fundamental Medicine and Biology, Kazan Federal University, Kazan 420008, Russia.
| | - Rawil F Fakhrullin
- Bionanotechnology Lab, Institute of Fundamental Medicine and Biology, Kazan Federal University, Kazan 420008, Russia.
| | - Evgenii V Ivanov
- Functional Aluminosilicate Nanomaterials Lab, Gubkin University, Moscow 119991, Russia.
| | - Yuri M Lvov
- Functional Aluminosilicate Nanomaterials Lab, Gubkin University, Moscow 119991, Russia.
- Institute for Micromanufacturing, Louisiana Tech University, Ruston, LA 71272, USA.
| | - Vladimir A Vinokurov
- Functional Aluminosilicate Nanomaterials Lab, Gubkin University, Moscow 119991, Russia.
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Vinokurov VA, Stavitskaya AV, Chudakov YA, Glotov AP, Ivanov EV, Gushchin PA, Lvov YM, Maximov AL, Muradov AV, Karakhanov EA. Core-shell nanoarchitecture: Schiff-base assisted synthesis of ruthenium in clay nanotubes. PURE APPL CHEM 2018. [DOI: 10.1515/pac-2017-0913] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Abstract
Natural halloysite clay nanotubes were used as a template for clay/Ru core-shell nanostructure synthesis. Ru-nanoparticles were produced via a ligand-assisted metal ion intercalation technique. Schiff bases formed from different organic compounds proved to be effective ligands for the metal interfacial complexation which then was converted to Ru particles. This produces a high amount of intercalated metal nanoparticles in the tube’s interior with more that 90% of the sample loaded with noble metal. Depending on the selection of organic linkers, we filled the tube’s lumen with 2 or 3.5-nm diameter Ru particles, or even larger metal clusters. Produced nanocomposites are very efficient in reactions of hydrogenation of aromatic compounds, as tested for phenol and cresols hydrogenation.
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Affiliation(s)
| | | | | | | | - Evgeniy V. Ivanov
- Gubkin Russian State University of Oil and Gas , Moscow 119991 , Russia
| | - Pavel A. Gushchin
- Gubkin Russian State University of Oil and Gas , Moscow 119991 , Russia
| | - Yuri M. Lvov
- Gubkin Russian State University of Oil and Gas , Moscow 119991 , Russia
- Louisiana Tech University , Ruston, LA 71272 , USA
| | - Anton L. Maximov
- Lomonosov Moscow State University , Department of Chemistry , 119991, Leninskie Gory, 1, Bld. 1 , Moscow , Russia
- A.V. Topchiev Institute of Petrochemical Synthesis, Russian Academy of Sciences , 119991, Leninsky prosp., 29 , Moscow , Russia
| | | | - Eduard A. Karakhanov
- Lomonosov Moscow State University , Department of Chemistry , 119991, Leninskie Gory, 1, Bld. 1 , Moscow , Russia
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Vinokurov VA, Stavitskaya AV, Glotov AP, Novikov AA, Zolotukhina AV, Kotelev MS, Gushchin PA, Ivanov EV, Darrat Y, Lvov YM. Nanoparticles Formed onto/into Halloysite Clay Tubules: Architectural Synthesis and Applications. CHEM REC 2018; 18:858-867. [PMID: 29314509 DOI: 10.1002/tcr.201700089] [Citation(s) in RCA: 48] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2017] [Accepted: 12/15/2017] [Indexed: 11/08/2022]
Abstract
Nanoparticles, being objects with high surface area are prone to agglomeration. Immobilization onto solid supports is a promising method to increase their stability and it allows for scalable industrial applications, such as metal nanoparticles adsorbed to mesoporous ceramic carriers. Tubular nanoclay - halloysite - can be an efficient solid support, enabling the fast and practical architectural (inside / outside) synthesis of stable metal nanoparticles. The obtained halloysite-nanoparticle composites can be employed as advanced catalysts, ion-conducting membrane modifiers, inorganic pigments, and optical markers for biomedical studies. Here, we discuss the possibilities to synthesize halloysite decorated with metal, metal chalcogenide, and carbon nanoparticles, and to use these materials in various fields, especially in catalysis and petroleum refinery.
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Affiliation(s)
- Vladimir A Vinokurov
- Department of Physical and Colloid Chemistry, Gubkin University, 65-1, Leninsky prospect, Moscow, Russia, 119991
| | - Anna V Stavitskaya
- Department of Physical and Colloid Chemistry, Gubkin University, 65-1, Leninsky prospect, Moscow, Russia, 119991
| | - Aleksandr P Glotov
- Department of Physical and Colloid Chemistry, Gubkin University, 65-1, Leninsky prospect, Moscow, Russia, 119991
| | - Andrei A Novikov
- Department of Physical and Colloid Chemistry, Gubkin University, 65-1, Leninsky prospect, Moscow, Russia, 119991
| | - Anna V Zolotukhina
- Department of Chemistry, Lomonosov Moscow State University, 1-3 Leninskiye Gory, Moscow, Russia, 119991
| | - Mikhail S Kotelev
- Department of Physical and Colloid Chemistry, Gubkin University, 65-1, Leninsky prospect, Moscow, Russia, 119991
| | - Pawel A Gushchin
- Department of Physical and Colloid Chemistry, Gubkin University, 65-1, Leninsky prospect, Moscow, Russia, 119991
| | - Evgenii V Ivanov
- Department of Physical and Colloid Chemistry, Gubkin University, 65-1, Leninsky prospect, Moscow, Russia, 119991
| | - Yusuf Darrat
- Institute for Micromanufacturing, Louisiana Tech University, 911 Hergot Ave., Ruston, LA 71272, USA
| | - Yuri M Lvov
- Department of Physical and Colloid Chemistry, Gubkin University, 65-1, Leninsky prospect, Moscow, Russia, 119991.,Institute for Micromanufacturing, Louisiana Tech University, 911 Hergot Ave., Ruston, LA 71272, USA
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Rostamzadeh T, Islam Khan MS, Riche' K, Lvov YM, Stavitskaya AV, Wiley JB. Rapid and Controlled In Situ Growth of Noble Metal Nanostructures within Halloysite Clay Nanotubes. Langmuir 2017; 33:13051-13059. [PMID: 29090928 DOI: 10.1021/acs.langmuir.7b02402] [Citation(s) in RCA: 31] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
A rapid (≤2 min) and high-yield low-temperature synthesis has been developed for the in situ growth of gold nanoparticles (NPs) with controlled sizes in the interior of halloysite nanotubes (HNTs). A combination of HAuCl4 in ethanol/toluene, oleic acid, and oleylamine surfactants and ascorbic acid reducing agent with mild heating (55 °C) readily lead to the growth of targeted nanostructures. The sizes of Au NPs are tuned mainly by adjusting nucleation and growth rates. Further modification of the process, through an increase in ascorbic acid, allows for the formation of nanorods (NRs)/nanowires within the HNTs. This approach is not limited to gold-a modified version of this synthetic strategy can also be applied to the formation of Ag NPs and NRs within the clay nanotubes. The ability to readily grow such core-shell nanosystems is important to their further development as nanoreactors and active catalysts. NPs within the tube interior can further be manipulated by the electron beam. Growth of Au and Ag could be achieved under a converged electron beam suggesting that both Au@HNT and Ag@HNT systems can be used for the fundamental studies of NP growth/attachment.
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Affiliation(s)
- Taha Rostamzadeh
- Department of Chemistry and Advanced Materials Research Institute, University of New Orleans , New Orleans, Louisiana 70148, United States
| | - Md Shahidul Islam Khan
- Department of Chemistry and Advanced Materials Research Institute, University of New Orleans , New Orleans, Louisiana 70148, United States
| | - Kyle Riche'
- Department of Chemistry and Advanced Materials Research Institute, University of New Orleans , New Orleans, Louisiana 70148, United States
| | - Yuri M Lvov
- Institute for Micromanufacturing, Louisiana Tech University , Ruston, Louisiana 71272, United States
- Gubkin Russian State University of Oil and Gas , Moscow 119991, Russia
| | | | - John B Wiley
- Department of Chemistry and Advanced Materials Research Institute, University of New Orleans , New Orleans, Louisiana 70148, United States
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Vinokurov VA, Stavitskaya AV, Chudakov YA, Ivanov EV, Shrestha LK, Ariga K, Darrat YA, Lvov YM. Formation of metal clusters in halloysite clay nanotubes. Sci Technol Adv Mater 2017; 18:147-151. [PMID: 28458738 PMCID: PMC5402758 DOI: 10.1080/14686996.2016.1278352] [Citation(s) in RCA: 49] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/19/2016] [Revised: 12/28/2016] [Accepted: 12/30/2016] [Indexed: 05/23/2023]
Abstract
We developed ceramic core-shell materials based on abundant halloysite clay nanotubes with enhanced heavy metal ions loading through Schiff base binding. These clay tubes are formed by rolling alumosilicate sheets and have diameter of c.50 nm, a lumen of 15 nm and length ~1 μm. This allowed for synthesis of metal nanoparticles at the selected position: (1) on the outer surface seeding 3-5 nm metal particles on the tubes; (2) inside the tube's central lumen resulting in 10-12 nm diameter metal cores shelled with ceramic wall; and (3) smaller metal nanoparticles intercalated in the tube's wall allowing up to 9 wt% of Ru, and Ag loading. These composite materials have high surface area providing a good support for catalytic nanoparticles, and can also be used for sorption of metal ions from aqueous solutions.
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Affiliation(s)
- Vladimir A. Vinokurov
- Department of Physical and Colloid Chemistry, I. Gubkin Russian State University of Oil and Gas, Moscow, Russia
| | - Anna V. Stavitskaya
- Department of Physical and Colloid Chemistry, I. Gubkin Russian State University of Oil and Gas, Moscow, Russia
| | - Yaroslav A. Chudakov
- Department of Physical and Colloid Chemistry, I. Gubkin Russian State University of Oil and Gas, Moscow, Russia
| | - Evgenii V. Ivanov
- Department of Physical and Colloid Chemistry, I. Gubkin Russian State University of Oil and Gas, Moscow, Russia
| | | | - Katsuhiko Ariga
- WPI-MANA, National Institute for Materials Science, Tsukuba, Japan
| | - Yusuf A. Darrat
- Institute for Micromanufacturing, Louisiana Tech University, Ruston, LA, USA
| | - Yuri M. Lvov
- Institute for Micromanufacturing, Louisiana Tech University, Ruston, LA, USA
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