Micromachining Using Electrochemical Discharge Phenomenon: Fundamentals and Application of Spark Assisted Chemical Engraving

Product Description
This book presents an unconventional and largely unknown technology, which is able to micro-machine at relatively low cost glass, polymers and other materials. This process is called Spark Assisted Chemical Engraving (SACE), or Electro Chemical Discharge Machining (ECDM). First presented in 1968 in Japan by Kurafuji and Suda, this technology was studied essentially in the academic world and mainly applied for micro-fluidic devices.

This book explains the fundamentals of SACE, promotes the technology, and encourages researchers and engineers from industry to use it for their specific applications. Therefore, the book, after presenting in details the fundaments of SACE (in particular the Electrochemical Discharges), deals mainly with practical aspects of implementing the machining technology. The book is written so that researchers from fields other than micro-technology (e.g., from life science) will be able to build a simple machining set-up, together with his mechanical work-shop, for individual needs.

• Topics include: micro- and electrochemical discharge machining (including glass), microfluidics, non-conventional manufacturing, electrochemical discharges, biocompatibility, and anode effects
• Provides applicable information for engineers in industry dealing with micromachining of glass, polymers, and ceramics
• Covers a range of microfluidic devices (including micro-TAS) with applications in various fields like chemistry and life sciences

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Metal Oxide Nanoparticles in Organic Solvents: Synthesis, Formation, Assembly and Application

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The synthesis of nanoparticles with control over particle size, shape, and crystalline structure, has long been one of the main objectives in chemistry – and yet these materials are only beginning to be used in nanotechnology. Metal oxides play a significant role in many fields of technology including catalysis, sensing, energy storage and conversion, and electroceramics. It is expected that they could show enhanced or even new properties at the nanoscale. Metal Oxide Nanoparticles in Organic Solvents discusses recent advances in the chemistry involved for the controlled synthesis and assembly of metal oxide nanoparticles, the characterizations required by such nanoobjects, and their size and shape depending properties.

Innovative strategies have to be developed to allow good control from the molecular precursor to the final product at low processing temperatures. In the last few years, a valuable alternative to the well-known aqueous sol-gel processes was developed in the form of nonaqueous solution routes, which can roughly be divided into two methodologies; namely surfactant- and solvent-controlled preparation routes. Metal Oxide Nanoparticles in Organic Solvents reviews and compares surfactant- and solvent-controlled routes, as well as providing an overview of the most important techniques for the characterization of metal oxide nanoparticles, crystallization pathways, the physical properties of metal oxide nanoparticles, their applications in diverse fields of technology, and their assembly into larger nano- and mesostructures.

Researchers and postgraduates in the fields of nanomaterials and sol-gel chemistry will appreciate this book’s informative approach to chemical formation mechanisms in relation to metal oxides.

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Physics, Chemistry And Application of Nanostructures: Reviews And Short Notes to Nanomeeting-2005, Minsk, belarus, 24-27 May, 2005

Product Description
This comprehensive volume presents invited reviews and short notes with exciting new results obtained in fabrication study and application of nanostructures, which promise a new generation of electronic and optoelectronic devices. The rapid progress in nanoelectronics and optoelectronics, molecular electronics and spintronics, nanotechnology and quantum processing of information are covered.

BUY FROM AMAZON–>> Physics, Chemistry And Application of Nanostructures: Reviews And Short Notes to Nanomeeting-2005, Minsk, belarus, 24-27 May, 2005

Fabrication of Pt/C Nanofiber Electrode for Fuel Cell Application

Product Description
Triethylamine catalyst was used to increase the molecular weight of poly(amic acid). In electrospinning, diameter of PAA nanofibers was controlled by molecular weight of poly(amic acid) and concentration of poly(amic acid)/N-N dimethylformamide solution. The diameters of polyimide based carbon nanofibers reached to a minimum value of around 100 nm. The conductivity of the carbon nanofiber papers increased with the decreasing of fiber diameters, while the mechanical strength of polyimide and carbon nanofiber paper was diameter independent. Further more, Pt was successfully impregnated in carbon nanofiber. Reduction accompanied with carbonization in Ar gas at up to 1000 degree C produced small and well-dispersed Pt nanoparticles (3-5 nm). Carbon dioxide treatment exhibited the effective ability of removal of carbonaceous overlayers to promise a potential enhancement Pt catalyst activity. The reduction rate of Pt ion is different at heating rate of 2 and 5 degree C/min. Thus, the heating rate and time at high temperature strongly affected Pt nanoparticle size.

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Physics, Chemistry and Application of Nanostructures : Reviews and Short Notes to Nanomeeting-2001

Product Description
A discussion of results and challenges in our understanding of the nanoworld. The main sections of the work address: the physics of nanostructures; the chemistry of nanostructures; nanotechnology; and nanostructure based devices. The papers are from NANOMEETING-2001.

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