Tubular Sn-filled carbon nanostructures on ITO: Nanocomposite material for multiple applications |
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| Affiliation: | 1. Dipartimento di Fisica, Università di Trieste, via A. Valerio 2, 34100 Trieste, Italy;2. Laboratorio TASC, IOM-CNR, s.s. 14 km 163.5 in Area Science Park, 34149 Trieste, Italy;3. Elettra – Sincrotrone Trieste S.C.p.A., s.s. 14 km 163.5 in Area Science Park, 34149 Trieste, Italy;1. Department of Chemical Engineering, Universiti Teknologi PETRONAS, 32610 Seri Iskandar, Perak, Malaysia;2. Department of Biosciences, COMSATS Institute of Information Technology, Park Road, 44000 Islamabad, Pakistan;3. Institute of Marine Biotechnology, Universiti Malaysia Terengganu, 21030 Kuala Nerus, Terengganu, Malaysia;1. Stockholm School of Economics, Drottninggatan 98, Stockholm, SE 111 60, Sweden;2. Frankfurt School of Finance and Management, Adickesallee 32-34, Frankfurt am Main, 60322, Germany;1. State Key Laboratory of Coal Conversion, Institute of Coal Chemistry, Chinese Academy of Science, Taiyuan 030001, China;2. University of Chinese Academy of Sciences, Beijing 100039, China;1. College of Architecture and Environment, Sichuan University, Chengdu 610065, China;2. Laboratory of Computational Physics, Institute of Applied Physics and Computational Mathematics, Beijing 100088, China;3. Center for Applied Physics and Technology, Peking University, Beijing 100071, China |
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| Abstract: | Hollow carbon nanostructures filled by metallic Sn were fabricated by means of chemical vapor deposition on transparent Indium Tin Oxide (ITO). We found no need for catalytic particles, and the growth happens in the temperature range 820–940 K. Upon annealing in an oxygen atmosphere, the carbon skin could be burned out, leaving SnOx pillars on the ITO substrate. The electrical and optical properties of the grown Sn/C and SnOx nanopillars were characterized.This growth strategy is versatile and can suitably be adapted to different substrate materials, provided that ITO can be deposited and annealed at the temperature required for the formation of the nanostructures. The rational control of this simple growth process and the lack of deposited external catalysts allow the fabrication of ordered, possibly, vertically aligned nanopillars over large areas, with tunable morphological, electrical and optical characteristics. This approach is envisaged as a promising path to develop energy generation and storage electrodes or chemical sensors with improved efficiency. |
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