Metal oxide films

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  • In this paper, we report the ammonia (NH3) sensing behavior of rGO based sensors functionalized with nano-structured metal: silver (Ag) or platinum (Pt) or gold (Au) in air at room temperature and atmospheric pressure. The gas response is detected by the monitoring changes in electrical resistance of the rGO/metal hybrids due to NH3 gas adsorption. Compared to bare rGO, significantly improved NH3 sensitivity is observed with the addition of nanostructured metals.

    pdf6p hulk1234 01-06-2018 31 0   Download

  • According to American Society for Testing and Materials' corrosion glossary, corrosion is defined as "the chemical or electrochemical reaction between a material, usually a metal, and its environment that produces a deterioration of the material and its properties".1 Other definitions include Fontana's description that corrosion is the extractive metallurgy in reverse,2 which is expected since metals thermodynamically are less stable in their elemental forms than in their compound forms as ores.

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  • Tuyển tập các báo cáo nghiên cứu về hóa học được đăng trên tạp chí hóa hoc quốc tế đề tài : Physical properties of metal-doped zinc oxide films for surface acoustic wave application

    pdf9p sting03 06-02-2012 44 3   Download

  • This is mainly due to the appearance of a rod like structure on neat PS which has improved the dispersion as well as provides a higher interface area that enhanced the UV-absorption efficiency of the PS matrix. This analysis is equally supported by the PALS study where the free volume was closely associated with the interfacial interaction between the filler and the PS matrix.

    pdf7p tamynhan4 06-09-2020 1 0   Download

  • Catalysis and Electrocatalysis at Nanoparticle Surfaces reflects many of the new developments of catalysis, surface science, and electrochemistry. The first three chapters indicate the sophistication of the theory in simulating catalytic processes that occur at the solid–liquid and solid–gas interface in the presence of external potential. The first chapter, by Koper and colleagues, discusses the theory of modeling of catalytic and electrocatalytic reactions.

    pdf970p echbuon 02-11-2012 43 5   Download

  • Electrochemistry, long-time corner stone for fundamental chemistry and physics, now plays an important role in many areas of applied science and technology. A very broad range of applications of electrochemical principles and technologies is found in materials science. Electrochemical deposition of metals and alloys, formation of oxide films and semi-conductors, corrosion and corrosion protection, new polymer materials that can switch between metallic conductivity and semi-conducting properties, and new applications in fast-evolving nanotechnologies are just some of the examples....

    pdf433p xrzc1-1 16-09-2013 58 16   Download

  • Over the last decade, PV technology has shown the potential to become a major source of power generation for the world – with robust and continuous growth even during times of financial and economic crisis. That growth is expected to continue in the years ahead as worldwide awareness of the advantages of PV increases. At the end of 2009, the world’s PV cumulative installed capacity was approaching 23 GW. One year later it was 40 GW. In 2011, more than 69 GW are installed globally and...

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  • The thesis with the objective of researching to assess the biodegradability (including decomposition process and decomposition in soil environment) of polyethylene film containing additives promoting oxidation is Fe stearate salts (Fe). III), Co (II) and Mn (II).

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  • Sn02 Thin films on titanium metal subotrates have been produced by spray pyrolysis method. This type film of has good stability for anodic dissolving in medium contained high concentration of CI- ions and good possibility of electron exchange. Sn02/Ti electrodes have been used in the electrochemical oxidation of phenol in alkaline medium contained CI- ions with high efficiency. Therefore, it has made them the possibility of new application in the wastewater treatment by electrochemical method.

    pdf8p vinhsolax 15-09-2019 5 0   Download



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