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Zhao L, Ta HQ, Dianat A, Soni A, Fediai A, Yin W, Gemming T, Trzebicka B, Cuniberti G, Liu Z, Bachmatiuk A, Rummeli MH. In Situ Electron Driven Carbon Nanopillar-Fullerene Transformation through Cr Atom Mediation. NANO LETTERS 2017; 17:4725-4732. [PMID: 28691821 DOI: 10.1021/acs.nanolett.7b01406] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
The promise of sp2 nanomaterials remains immense, and ways to strategically combine and manipulate these nanostructures will further enhance their potential as well as advance nanotechnology as a whole. The scale of these structures requires precision at the atomic scale. In this sense electron microscopes are attractive as they offer both atomic imaging and a means to structurally modify structures. Here we show how Cr atoms can be used as physical linkers to connect carbon nanotubes and fullerenes to graphene. Crucially, while under electron irradiation, the Cr atoms can drive transformations such as catalytic healing of a hole in graphene with simultaneous transformation of a single wall carbon nanotube into a fullerene. The atomic resolution of the electron microscopy along with density functional theory based total energy calculations provide insight into the dynamic transformations of Cr atom linkers. The work augments the potential of transmission electron microscopes as nanolaboratories.
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Affiliation(s)
- Liang Zhao
- Soochow Institute for Energy and Materials Innovations, College of Physics, Optoelectronics and Energy, Collaborative Innovation Center of Suzhou Nano Science and Technology, Key Laboratory of Advanced Carbon Materials and Wearable Energy Technologies of Jiangsu Province, Soochow University , Suzhou 215006, China
| | - Huy Q Ta
- Soochow Institute for Energy and Materials Innovations, College of Physics, Optoelectronics and Energy, Collaborative Innovation Center of Suzhou Nano Science and Technology, Key Laboratory of Advanced Carbon Materials and Wearable Energy Technologies of Jiangsu Province, Soochow University , Suzhou 215006, China
- Centre of Polymer and Carbon Materials, Polish Academy of Sciences , M. Curie-Sklodowskiej 34, Zabrze 41-819, Poland
| | - Arezoo Dianat
- Institute for Materials Science and Max Bergman Center of Biomaterials, Dresden Center for Computational Materials Science (DCMS), TU Dresden , 01062 Dresden, Germany
| | - Akash Soni
- Soochow Institute for Energy and Materials Innovations, College of Physics, Optoelectronics and Energy, Collaborative Innovation Center of Suzhou Nano Science and Technology, Key Laboratory of Advanced Carbon Materials and Wearable Energy Technologies of Jiangsu Province, Soochow University , Suzhou 215006, China
| | - Artem Fediai
- Institute for Materials Science and Max Bergman Center of Biomaterials, Dresden Center for Computational Materials Science (DCMS), TU Dresden , 01062 Dresden, Germany
- Center for Advancing Electronics Dresden, TU Dresden , 01062 Dresden, Germany
- Institute of Nanotechnology, KIT, Karlsruhe , Hermann von Helmholtz-Platz 1, 76344 Eggenstein-Leopoldshafen, Germany
| | - Wanjian Yin
- Soochow Institute for Energy and Materials Innovations, College of Physics, Optoelectronics and Energy, Collaborative Innovation Center of Suzhou Nano Science and Technology, Key Laboratory of Advanced Carbon Materials and Wearable Energy Technologies of Jiangsu Province, Soochow University , Suzhou 215006, China
| | | | - Barbara Trzebicka
- Centre of Polymer and Carbon Materials, Polish Academy of Sciences , M. Curie-Sklodowskiej 34, Zabrze 41-819, Poland
| | - Gianaurelio Cuniberti
- Institute for Materials Science and Max Bergman Center of Biomaterials, Dresden Center for Computational Materials Science (DCMS), TU Dresden , 01062 Dresden, Germany
- Center for Advancing Electronics Dresden, TU Dresden , 01062 Dresden, Germany
| | - Zhongfan Liu
- Center for Nanochemistry, Beijing Science and Engineering Centre for Nanocarbons, Beijing National Laboratory for Molecular Sciences, College of Chemistry and Molecular Engineering, Peking University , Beijing 100871, China
| | - Alicja Bachmatiuk
- Soochow Institute for Energy and Materials Innovations, College of Physics, Optoelectronics and Energy, Collaborative Innovation Center of Suzhou Nano Science and Technology, Key Laboratory of Advanced Carbon Materials and Wearable Energy Technologies of Jiangsu Province, Soochow University , Suzhou 215006, China
- Centre of Polymer and Carbon Materials, Polish Academy of Sciences , M. Curie-Sklodowskiej 34, Zabrze 41-819, Poland
- IFW Dresden , P.O. Box D, 01171, Dresden, Germany
| | - Mark H Rummeli
- Soochow Institute for Energy and Materials Innovations, College of Physics, Optoelectronics and Energy, Collaborative Innovation Center of Suzhou Nano Science and Technology, Key Laboratory of Advanced Carbon Materials and Wearable Energy Technologies of Jiangsu Province, Soochow University , Suzhou 215006, China
- Centre of Polymer and Carbon Materials, Polish Academy of Sciences , M. Curie-Sklodowskiej 34, Zabrze 41-819, Poland
- IFW Dresden , P.O. Box D, 01171, Dresden, Germany
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Transmission electron microscopy of thiol-capped Au clusters on C: Structure and electron irradiation effects. Micron 2015; 70:41-9. [PMID: 25554918 DOI: 10.1016/j.micron.2014.12.001] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2014] [Revised: 12/03/2014] [Accepted: 12/03/2014] [Indexed: 11/24/2022]
Abstract
High-resolution transmission electron microscopy is used to study interactions between thiol-capped Au clusters and amorphous C support films. The morphologies of the clusters are found to depend both on their size and on the local structure of the underlying C. When the C is amorphous, larger Au clusters are crystalline, while smaller clusters are typically disordered. When the C is graphitic, the Au particles adopt either elongated shapes that maximize their contact with the edge of the C film or planar arrays when they contain few Au atoms. We demonstrate the influence of electron beam irradiation on the structure, shape and stability of the Au clusters, as well as on the formation of holes bounded by terraces of graphitic lamellae in the underlying C.
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Carbon nanomaterials for nerve tissue stimulation and regeneration. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2013; 34:35-49. [PMID: 24268231 DOI: 10.1016/j.msec.2013.09.038] [Citation(s) in RCA: 58] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/10/2013] [Revised: 09/11/2013] [Accepted: 09/28/2013] [Indexed: 01/25/2023]
Abstract
Nanotechnology offers new perspectives in the field of innovative medicine, especially for reparation and regeneration of irreversibly damaged or diseased nerve tissues due to lack of effective self-repair mechanisms in the peripheral and central nervous systems (PNS and CNS, respectively) of the human body. Carbon nanomaterials, due to their unique physical, chemical and biological properties, are currently considered as promising candidates for applications in regenerative medicine. This chapter discusses the potential applications of various carbon nanomaterials including carbon nanotubes, nanofibers and graphene for regeneration and stimulation of nerve tissue, as well as in drug delivery systems for nerve disease therapy.
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Lai C, Guo Q, Wu XF, Reneker DH, Hou H. Growth of carbon nanostructures on carbonized electrospun nanofibers with palladium nanoparticles. NANOTECHNOLOGY 2008; 19:195303. [PMID: 21825712 DOI: 10.1088/0957-4484/19/19/195303] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/31/2023]
Abstract
This paper studies the mechanism of the formation of carbon nanostructures on carbon nanofibers with Pd nanoparticles by using different carbon sources. The carbon nanofibers with Pd nanoparticles were produced by carbonizing electrospun polyacrylonitrile (PAN) nanofibers including Pd(Ac)(2). Such PAN-based carbon nanofibers were then used as substrates to grow hierarchical carbon nanostructures. Toluene, pyridine and chlorobenzine were employed as carbon sources for the carbon nanostructures. With the Pd nanoparticles embedded in the carbonized PAN nanofibers acting as catalysts, molecules of toluene, pyridine or chlorobenzine were decomposed into carbon species which were dissolved into the Pd nanoparticles and consequently grew into straight carbon nanotubes, Y-shaped carbon nanotubes or carbon nano-ribbons on the carbon nanofiber substrates. X-ray diffraction analysis and transmission electron microscopy (TEM) were utilized to capture the mechanism of formation of Pd nanoparticles, regular carbon nanotubes, Y-shaped carbon nanotubes and carbon nano-ribbons. It was observed that the Y-shaped carbon nanotubes and carbon nano-ribbons were formed on carbonized PAN nanofibers containing Pd-nanoparticle catalyst, and the carbon sources played a crucial role in the formation of different hierarchical carbon nanostructures.
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Affiliation(s)
- Chuilin Lai
- Chemistry College of Jiangxi Normal University, Nanchang 330027, People's Republic of China
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